Pontiac canted valve heads When we switched to canted valve heads the engine made 585ft/lbs and 960HP after optimizing the combination. “The current As for the 496 cid Pontiac engine, Senkyr says the foundation is an aftermarket Kauffman Performance MR-1 block with Roland Racing CV-1 canted-valve cylinder heads. com Call, 2. Vaught. Now add a 390/400 cfm head to CHI in austrailia makes a lot of good airflow heads for the canted valve ford as high as 400+ cfm. 3,500 4. Over the years, the engine builder has seen an endless string of improvements and aftermarket components visited upon the Windsor 302 but he was woefully aware that there These small block Chevy splayed-valve aluminum cylinder heads are a radical departure from standard in-line valve heads. However, I would consider a cam swap to take advantage of the larger valves. 4:1 cr and i think in a 400 they I hate to speak for someone else, but Andy Jensen used these heads on his pro street and pro mod 'vettes. That's a fact. Products. The heads are really not set up for much lift anyway. The Chevy 4. An extremely high intake port and a tall, radiused intake short side are just a few of the features of this state-of-the-art cylinder head. You do know chevy had a canted valve engine at the beginning of 63. Since the Bow Tie wedge heads are very mature and thoroughly developed (half a century), you can probably attribute most of the 5 percent to the unshrouding the splayed The original Twisted Wedge heads for SBC did not have "canted" valves in the sense of the BBC and Cleveland and 385-series Fords. 065) fit normal Pontiac heads. Warp 6 - Here is the ultimate cylinder head for naturally aspirated A great Canted Valve head for Pontiac flowing over 370 cfm right out of the box with over the counter components too. port locations. So in A factory big-block Chevy head has 26-degree intake valves canted 4 degrees, and 17-degree exhaust valves canted 4 degrees. If you exceed the ratio in any way, your dead! The canted valve Cleveland heads offered a number of advantages compared to the standard Windsor inline valve arrangement. 125: Intake Valves: 2. Feb 15, 2015 Brian Lohnes 1320 Online Find, BangShift 1320 9. M Iron head; Pontiac 455 Wenzler Wide Port; Pontiac Iron Duke; Pontiac Rockers; Pontiac Roland Racing CV-1 Canted Valve; Pontiac Wenzler Series II; Search for: Search. Wernher Von Braun warned before his retirement from NASA back in 1972, that the next world war would be against the ETs! VALVE / BORE Ratio The valve to bore ratio should be: 52-52. Side by side with the Chevy offerings Roland Racing offers aftermarket canted-valve Pontiac head castings as both bare heads and assemblies for pre-1980 Pontiac V-8 engines. A splayed valve head has both the intake and exhaust valves installed with multi-angles where as the canted valve head, the intake is a multi-angle installation, but the exhaust is installed with only one angle. All of Changes include a 2. 5-1%. Thanks guys. Utilizing stock lifter locations, this Its new Warp 6 is a very unique cylinder head that's designed to deliver 460 cfm as cast and should sustain as much as 1,250 hp with the correct combination of parts. the only issue with it it getting to the head bolt between the two center We spent a long time several years back trying to find a set of Pontiac 18-deg heads (a Brodix casting) It was a IHRA S/S-production car that had to have a "corporate" head. Styles ranging from standard to raised port locations are offered with Our succesful Canted Valve SC2 SB Ford Cylinder Heads developed in conjunction with BES Racing Engines has redefined small block cylinder head performance. Which was preceeded in 1956 by the DPCD 277 "Polyspherical" heads, whose valves were canted away from each other but in a single plane. That's 50HP! Now with the valve train we have today I know the canted valve stuff could make 970-980 with the same TQ. As a clean-sheet design, it was also easy for him to increase clamping power: the rails on the P38 head are configured for eight (rather than the usual six) The two essentials for Pontiac 4. Guides: 11/32 valve guides are standard, 5/16 guides are available upon request. 750" long) than stock valves. Pontiac Cylinder Heads. I have seen wedge engines, usually smaller engines, that where switched to The true canted valve design offers the most port flow and combustion efficiency possible with a two-valve design. Pontiac Cast Iron Cylinder Heads and Labor Prices: ALL PONTIAC/TIGER CYLINDER HEADS - 400+ CFM 400+ CFM: Wenzler Aluminum Heads and Intakes CALL FOR PRICING: Cylinder heads and Engines require only a These Canted Valve 4. Bore: 4. Alloy guides are standard, steel guides are available upon request and are recommended for If you want to spend a ton of money you can make a Pontiac 350 perform. One company already produces a Pontiac-specific canted-valve cylinder head. Kaase’s exclusive cast aluminum covers eliminate the problem. They were symmetrical ports aimed at the center of the cylinder as I stated before and I believe the combustion chambers were open and curved like a hemi. 427 SOHC heads were made in aluminum late in the year. The engine was the subject of an extensive article in the May, 1963 Hot Rod 3973370 heads were used on 69/70 Chev or pontiac 350/300HP engines, at least in Canada they were. The optimized valve train layout w . It should be noted that production Cleveland heads came in two configurations, 2V (2 venturi) and 4V (four venturi). Very interesting, need Pontiac GTO; Browse By Categories. I have a single rocker that when it's all tightened up correctly won't sit squarely left to right on the tip of the valve. E-mail KRE kre@kauffmanracing. Rocker sets Lifters Hardware VALVE / BORE Ratio The valve to bore ratio should be: 52-52. 710 valves flow 370-270 steel valves, copm 996 springs ti retainers 2500 bucks Save Share What is a minimum reasonable spacing on canted valve stuff between the valves? Or is it better to look at interference at a certain lift point, and if so how much lift before thay interfere? The application is a non-profesional max effort drag race car for a heads up class. But I accidently under bid by about 40K! I always called that small block a hemi, because the big blocks were the canted or porcupine heads, even though the Hemi heads were canted! I think I made sense in that sentence!!!!! You know Smokey disliked Vic Edlebrock (the son) more than my family does, and it is in print in books. Post Aug 01, 2016 #3 2016-08-01T22:48+00:00. After years of research and development we are excited to introduce to you, the finest cast water jacketed Pontiac cylinder head available. As the valves open, they move away from the edges of the bore. Mopar head, like most now for racing, is near copy of [Archive] Page 2 new CANTED VALVE poncho heads Pontiac - Race PY Race > new CANTED VALVE poncho heads. the name "YATES HEAD" is well too much overused. Well, maybe not today, since any Pontiac head in rebuildable condition is a collector's item. I'd put a stroked 400 with a set of the new canted valve heads that are being discussed over on PY in it. There is a faction in that conversation that insists the aforementioned Ford heads were simply copies of the old Chevy “Mystery Motor” after 2. Skip to content US 651-280-5950- John. Top. However, the Kaase/Jeg's heads DO use WINDSOR pistons as long as the camshaft duration remains less than about 235*@. SB2. 5% of the bore for Wedge heads. 22"-2. View Full Version : new CANTED VALVE poncho heads. I was surprised to see a message from him, but he told me that Chief was done with the heads and that "Turbo Bill" was selling all of Chief's CV-1 parts. That allows MBE’s new CID Canted Valve Small Block Ford cylinder head is so good it replaces both the vaunted D3 and SC1 cylinder heads. These Pontiac castings have incorporated the heart shape combustion chambers and spread port design intake runners. It’s an advantage that allows for larger valves and lessens the risk of shrouding. . And they sure as hell Currently, there are four SVO aluminum "high-port" cylinder heads. The Warp 6 Pontiac cylinder head! This is KRE's third aluminum Pontiac cylinder head that they have brought to the marketplace. Reactions: DualQuadDave. Apparel, Hats & Merch; Belt Tensioners & Accessories; Blocks & Block Parts; Camshafts & Related Parts; Clearance; Clutches, Flywheels & Accessories ; Coil Relocation Kits; Conversion & Swap No chit! Just yesterday I received a similar PM from Mr. 2 are considered "canted valve" and heads like Dart Little Chief I believe would be "splayed valve". It retains the conventional Pontiac valve arrangement, however. The original Twisted Wedge heads had the standard, ordinary exhaust valve location, but the intake was shifted in one plane, to a more-upright angle. Just another quick note about the canted valve sbc heads. Naturally Aspirated engines can expect 1000HP+. Starting in 1968 with the 429 Thunderjet then a year later with the Boss 302 and then in 1970 the 351 Cleveland. Roland Racing CV-1 heads are machined with canted intake-valve seats and valve guides, which allow for the use of oversize intake valves without the worry of the valves being too close to the cylinder wall on the valves. I think the evolution was more like BBC, Pontiac Warp 6 Canted Valve: Warp 6 - Valve arrangement for better flow, tighter heart shaped chamber design and spark plug locations for fast chamber burn. There is quite a debate on another forum as to the origins of the big port canted valve Ford cylinder head line. MBE did this by building two versions of this head, one for oval track racing and a second for all out drag racing. The 092 heads have pressed in studs, the valves are too small and any intake manifold that the 062 heads will fit, the high performance 1967-up large valve heads with screw in studs will also fit. The original head design is often referred to as having a 26-degree valve angle, although this intake valve angle of inclination is only one of four angles needed to numerically describe the big-block’s valve angles. Availability. Casting quality is second to none, core shift and flashing non existent with the CV-1 head & above other aftermarket heads in all brands and makes of American The canted valve cylinder head is best used with racing gas. RYR was just getting started. TF had some quality issues with springs, limited cam compatibility, spring pocket machining a C3 is known as a canted valve head. View More . The rcv (roatated canted valve) heads are in a league of their own. Remember Me? Join us now! Jon Kaase’s P38 Canted-valve Windsor Cylinder Heads Aim For Better Cylinder Filling Text by Ro McGonegal Photography by Moore Good Ink. Follow along as we explore The NEW fully canted valve aluminum Warp-6 Pontiac Head is NOW available! It's finally here. Flows over 460cfm and good for 1000+hp aspirated. PDA. View More Information. MAST BLACK LABEL LS3 CYLINDER HEADS - 295CC RUNNER - BARE WITH VALVES - CH-LSX-600211 . blueoval67. or HP heads, KRE Intake , The canted-valve cylinder head design features intake and exhaust valves that oppose, each pointing toward the cylinder centerline. 72″ exhaust. TWIN TURBO HOLDEN MAKES 2483HP! Find out more Proudly Australian manufactured 6-bolt alloy cylinder heads to suit: LS7, L98/LS3 ports for street and race applications. The BBC design has a good flowing head with canted valves. 6. Way back in the 1960s when GM engineers began designing the “Mystery” big-block 427 that would eventually evolve into the Mark IV 396/427/454, cylinder head port designers realized that if they tipped or canted the valves at an angle from off-center, the intake flow improved. “With the canted-valve heads it’s kind of an oddball deal, but the engine also has twin 82mm Borg Warner turbochargers and runs on methanol,” he notes. 68468. 910" . 050 duration and . Can't wait to see some numbers from that set up. 006 inch. LS3 HEADS FLOW OVER 380CFM LS7 HEADS FLOW OVER 400CFM HRD LS 6-BOLT Starting at Since the CV-1 heads are a totally new design, they were not hindered by the constraints of the Pontiac catalogs, so they determined that based on valve and pushrod locations, it would be possible and certainly cheaper to use big-block Chevy rocker arms. Yes there isn't a generic $20. 27671 posts · Joined 2011 Add to quote; Only show this user #7 · Dec 12, 2023. 275-inch compression height shelf stroker pistons (PN IC942-. Never over 180 degrees just cruising around or back to the pits. ). Listing ID 184624411. Canted Valves. Would like something different SB chevys are just to common place. However, The G1 heads use a set of shorter (Intake is 4. 3! YES It clears small bore LS engines just fine (flowing over 360 CFM) but also versatile enough for up to 4. 125 YES It clears small bore LS engines just fine (flowing over 360 CFM) but also versatile enough for up to 4. 180″ – 2. Canted has just one valve that is angled side-side. Rick. FAQ i have a set of of c302 heads with is a yates type casting with cleveland valve positions,, 2. The only thing to help remove this heat on a std. The CV-1 has unique rectangular intake ports that measure 285 cc and flow 380 cfm as cast. Reactions: Erik-427, VinnyVette9340 and 68468. The drag race head maximizes power with larger ports and the unconditional step of refining the valve angles to make additional power. Not really when ya consider that you can now build a 535 cu. 1 product Filters. 02/1. Only the Boss 429 Chevrolet claimed 5 percent better intake flow and equivalent exhaust flow when comparing their splayed valve Bow Tie SBC heads to their 18 degree (wedge) high-port Bow Tie SBC heads. The future possibilities are endless with this head. With the Victor heads, we changed the intake valve angle to 24 degrees CV-1 Canted Valve Pontiac Head report. Developed back in 1968 specifically for **Trans Am racing**, this setup was ahead of its time. Pontiac heads produced PRE 1968 used a closed combustion chamber design while heads produced from 1968 on used an open chamber. He was employed by a major manufacturing company that continues to supply General Motors and Ford today, and his enthusiasm for the Pontiac V-8 led to the development of a canted-valve cylinder The larger the valve, the greater the airflow. 960" intake, 4. Helping to Deliver the Promise of In 1967, Pontiac relocated the valve centerline in the cylinder heads to allow bigger valves and better breathing. 5% for Canted valve, rotated canted vale (Mopar P/S hemi) and true Hemi. 620 bore spacing – 505 Cubic Inch traditional Pontiac engine Blown and Injected Alcohol MR-1 Pro Billet Aluminum Block Everything Internal is New (but not limited to) Crankshaft, Rods, Camshaft, Valve Train, pistons, Gears Drive. Honestly at those Each head is 25 lbs. Basically same head as the 186. Cylinder Head CV-1 Canted Valve Pontiac Head report. $3,875. 610” with a 11/32” stem) valves that reduce shrouding risk and maximise airflow. Like Dislike . Pontiac head created by the valves is the water jacket on both sides of The Scat kit's KB 1. These heads are based on the old "Cleveland" canted-valve iron castings, but feature vastly improved port configuration. CV-1 Canted Valve Pontiac Head report. 450", Exhaust is 4. 190/1. Pontiac - Race Page 14- new CANTED VALVE poncho heads Pontiac - Race In other GM brand heads, the Pontiac is still very much alive. When the head fist came out i told them what i think needed to be changed for it to make power but they didnt like what i had to say. We give new life and a lot more horsepower to a 495 Pontiac with new Roland Canted-Valve Pontiac cylinders and a Scat stroker kit. 2002 Jerry Bickle Cavalier, 446" Small Block, Brodix Canted Valve, lenco 5 speed, 7. The first "385" aluminum heads were for the Boss 429 but there were some conventional heads made in aluminum as well. ASSEMBLE HEADS - AH The **DZ302 Chevy small block** with **experimental canted valve heads** was an absolute beast. Add to Cart . Ford has alone 5 versions of aluminum C heads (C302A, B, C3, etc. We have designed a one-piece rocker bar for stability and endurance. 66 valves. 96/1. They only casting number I can find is the one with the A circle and the numbers 0265 as you can see in the picture. Shop Now at the Guaranteed Lowest Price! They already have CV-1 heads (canted valve 1) for Pontiacs, and they are proving to be very powerful, a serious wake up for Pontiac motors!! The BB Mopar could only benefit from the same advancements in cylinder head technology that the Chevy's, Fords, and now Pontiacs are enjoying. Billet Pontiac Aluminum Warp 6 Canted Valve Heads Billet Aluminum Cannister Intake Manifold Pro-Mag 44 The big-block Chevy’s canted valve heads are largely responsible for the tremendous power capability of the Rat motor and its continued popularity. The port and valve arrangment is based off of 500" pro stock designs. Remember Me? Join us now! The LME Canted Valve Race Heads are simply the highest performing LS head offered. Show: Sort: Close. We never rest with good enough. For the above reasons, I urge you to consider adding a Performer aluminum head, with modern flow technology, a closed chamber for higher compression, and 2V sized Jon Kaase Race Engines' P-38 Cylinder Heads - Playing Head Games. Perfect for Heads Up, The profilers don’t compare. Also, the intake and exhaust valve locations for each cylinder have been reversed--a feature that has been the standard for maximum power wedge engines for Matter of fact, ANY in-line valve WINDSOR replacement head from ALL the mentioned manufacturers with Intake valves LARGER than 1. Changes include a 2. The heads, other than the rocker bolt holes, are finished, programming complete, and ready for the first production run. Remember Me? Join us now! CANTED VALVE HEADS. SAR can also supply you with custom sheetmetal billet rail valve covers and cast or sheetmetal intakes. A great Canted Valve head for Pontiac flowing over 370 cfm right out of the box with over the counter components too. Lebanon, PA Early Access 4 View More. 050" longer than stock valves (4. Remember Me? Join us now! The big-block Chevy’s canted valve heads are largely responsible for the tremendous power capability of the Rat motor and its continued popularity. matters not whether you win or lose; what matters is whether I win or lose. Sounds pretty much the same. 01-07-2007, 03:09 AM . Ford was putting in shallow and tight heart shaped combustion chambers in the Boss/Cleveland and to a certain degree the 385 heads as Big Block Chevy Brodix Pontiac 15 Degree “386” casting; Pontiac 455 Edelbrock Performer; Pontiac 455 Edelbrock, Butler & Kauffman Wide Port ; Pontiac 455 O. The high output heads produced by Pontiac after 1967 used bigger intake and exhaust valves and a 14-degree valve angle. Remember Me? Join us now! Menu . Boosted applications have seen north of 4000HP. mph,1. New hardened exhaust valve seats and new guides go along with doing it once and doing it right, not to mention new valve springs and the appropriate retainers and keepers. These castings represent the pinnacle of cast Small Block After letting the machine shop square up the heads and stuff I started putting them back together this week. Add the B302-C351 original steel 2 & 4V heads and that's a bunch in my book. The future Both versions have 2. Our new symmetrical port, canted valve Billet Force Pontiac cylinder heads work with a conventional Pontiac engine block. The Twisted Wedge head was more like Chevrolet used canted-valve technology when originally developing its big-block, and canted-valve cylinder heads are commonplace in today’s top-performing race engines, regardless of make. ** Factory Buick The piston valve notches must match the valve angle of the heads used , which includes if the heads have canted valves also. If I had a 69 Firebird I wouldn't build either one. Virtually all Pontiac d-port heads have the same runner RFD SC-2 (for Small Block Ford) is the best canted valve head available when it comes to the choice for high-power small block Fords. We are in the process of finishing header flanges, intake flanges, sheet metal valve covers and a billet valley pan. His N/A power with a big inch small block is close to 950 HP (1300 w/ spray) and his boosted 427 makes more than 2000 HP. You can see a standard Pontiac valve cover isn't going to work with a canted valve designed head. 5°. Stock length is 4. 985 posts · Joined 2014 Add to The NEW fully canted valve aluminum Warp-6 Pontiac Head is NOW available! It's finally here. the #11's slightly smaller 1. That simple proposition is at the heart of this cylinder head’s canted valve design. 02"/1. E. Price $ to $ Choose options. Remember Me? Join us now! The twin turbo Commodore features our Australian made Holden 6-bolt CNC cylinder heads . Hardy Posts: 107 Join date: 2014-05-19 Location: Wisconsin. They are engineered to reliably perform in N/A, N20, Turbo and Supercharged applications. Big Joe and AF2 please chime in. GM Canada Docs, Highly Optioned 69 Many canted valve heads are available for 302/351 C&W. BRODIX leads the industry in small block Chevrolet compatible cylinder heads. 65" exhaust > "wedge" heads by definintion. He designed his So far I haven’t even had to use the electric fan. They are Our succesful Canted Valve SC2 SB Ford Cylinder Heads developed in conjunction with BES Racing Engines have redefined small block cylinder head performance. Price $ to $ View results. If you exceed the ratio in any way, your dead! The #13 heads are excellent choice as they have 2. The valves on the Mystery Motor heads were 2. lighter than it’s later Big Block Mark IV brother. Post by FEnut » Sat Oct 17, 2009 7:18 am. He grinds and shapes the valves as well, but our splayed valve 60*V6 heads already have valves that are shaped like he re-shapes his. SPLAYED-VALVE ALUMINUM RACE CYLINDER HEADS Chevrolet Performance Splayed-Valve Aluminum Race Cylinder Heads are extremely aggressive, all-out competition heads and not intended for street use. Instead they showed pretty pictures of tail lights, Camaro and Z28 emblems, wheel caps, interior, console instruments and so on; all standard The big-block Chevy’s canted valve heads are largely responsible for the tremendous power capability of the Rat motor and its continued popularity. Post Aug 01, 2016 #2 2016-08-01T22:45+00:00. Do you guys think should i leave the 6x and machine them down a bit for higher compression or go with the 17s. 3L Chevy V6 Heads Were Designed For Big RPM And Big Power. There’s a reason why production four-cylinder engines rarely VALVE / BORE ratio 52-52. 10. Not looking to push the envelope on being too close, but the minimum with a reasonable margin of Just a general interest question, why the BBC and SBF heads with canted valves were successful while SBC versions withered on the vine. Re: Eliminator Products BBF RCV1 (Rotated Canted Valve) heads. I see where Bennet racing lists the head on their website, but no info. The side cant on the exhaust valve is 3 deg , intake valve Eric Blakely of Edelbrock says his company now has more cylinder head applications for NHRA Stock/Super Stock small block Chevy LSX style LS-R canted valve heads, big block Chevy race heads, and Big Victor 12 degree, 14-degree and Big Victor III heads. 54 @ 180. 53-53. Pontiac's cylinder heads were originally equipped with a single-angle seat, and two distinct valve seat angles were commonly used—30 and 45 degrees. FEnut New Member Posts: 39 Joined: Tue Apr 08, 2008 2:54 am Location: Alberta,Canada. They'll flow well into the 400+ CFM range. Reactions: Rowdy Yates. The Yates design head performed better than Ernie's canted valve head. Canted Valve SB and BB N/A: 3000 4. These heads flow better producing more power than the heads produced pre-1967. 500 lift or so,maybe even less so make sure and check clearances. fatheroftwo. 625″ Chamber Volume: 40cc – 60cc: Seats: Available with ductile iron or alloy seats. On a 350 the 17 have about 8. The G2 heads use a set of valves that are . The canted valves in the Roland Racing CV-1 head allow the relocation of the rocker arms, and in turn, the pushrods. LME CANTED VALVE RACE HEADS Sale price $10,000. 050"; canted valve and all. As designed, they eliminate the use of It has a stock valve cover pattern. These castings represent the pinnacle of cast Small Block Cylinder Head Performance. For my babies, we will always remember. 3697 posts · Joined 2009 Add to quote; Only show this user #8 · Sep 11, 2024. 50 valve . VALVE / BORE ratio 52-52. Save Share Reply Quote Like. 60" valves. To clear CV-1 canted-valve heads, the intake valve pocket was enlarged in the area outlined by the triangle (arrow). 0 April 14th 2018, 5:48 pm. Sounds like the Edelbrock canted valve Ls3 heads that are no longer seen. This will be the Pontiac Warp 6 Canted Valve: Pontiac Warp 6 Canted Valve: Warp 6 - Valve arrangement for better flow, tighter heart shaped chamber design and spark plug locations for fast chamber burn. Robert Yates used to work For Holman & Moody on 427 FE's The NEW fully canted valve aluminum Warp 6 Pontiac Cylinder Head is NOW available! Our first War Chief series of cylinder heads! The only thing to help remove this heat on a std. Recent posts here have shown 2 new canted valve heads (see 3V in search function) for 302-351. The head uses the GM SB2 valve cover footprint required by the added width of the canted valve layout. WILL SHIP DIRECTLY FROM MANUFACTURER ESTIMATED SHIP DATE: TBD. whoever has told you that is is a straight in align valve head does not know. Pontiac head created by the valves is the water jacket on Reminds me of my old Pontiac Pro-Stock heads. Kauffman Racing Equipment’s (KRE) latest head is their Warp 6. More like a canted valve head like a Cleveland 9. 125 My experience with canted valve angles led me to follow that path, and the CV-1 was developed. 31 Results . Roland Racing CV-1 Cylinder Heads On A Pontiac Block - Pontiac Power House. The 351C Heads. I got to thinking I have them on the shelf, the 184 CV-1 Canted Valve Pontiac Head report. All canted valve Pro Stock heads have evolved from the Cleveland not the BBC. The intake port of a typical D-port Pontiac casting usually displaces between 150 and 155 cc's depending upon the original application. Pontiac - Race. 00. 475. I think the Brodix canted valve head is very good, . The original head design is often referred to as having a 26-degree valve angle, although this intake valve angle of inclination is only one of four angles needed to numerically describe the big The Mark II was a "breakthrough" design using intake and exhaust valves that are tilted in two planes--a canted-valve cylinder head, nicknamed the "Semi-Hemi" or "Porcupine" because it is "almost" a hemi head, and the valve stems stick out of the head casting at seemingly random angles. I think the evolution was more like BBC, spread port, symmetrical. The CV-1 Canted Valve Pontiac Head report. This created the canted valve head design that The canted-valve cylinder head design features intake and exhaust valves that oppose, each pointing toward the cylinder centerline. in. The original head design is often referred to as having a 26-degree valve angle, although this intake valve angle of inclination is only one of four angles needed to numerically describe the big-block’s valve As a canted-valve construction, the arc of at least one of the rockers on the P38 interferes with the conventional rocker cover. The original head design is often referred to as having a 26-degree valve angle, although this intake valve angle of inclination is only one of four angles needed to numerically describe the big-block’s valve Being a radical departure from traditional LS heads, Dart has designed these heads with raised Pro Stock oval ports, canted valves, and highly efficient wedge-style combustion chambers. 5º, 12º, and 9° versions. ** SB Power Adder limited to Inline Valve Heads/Cast Intake 5. “The current Comparing heads within a family, using similar layouts, IS a good way to understand how much port work has been done, or how one version "stacks up" to another. What makes this cylinder head unique is its departure from the in-line valve design to a true canted-valve configuration Conventional style cylinder heads are available in 26º, 24º, and 20º valve angles, and spread port heads are available in 18º, 16º, 14. The in-line wedge head can only go so far. The canted angles are specially calibrated to accommodate high-diameter intake (2. Just because its a canted valve head doesn't make it better if its not designed correctly. 06 60', 2235 lbs for 2014. What’s really fun is making money, making parts. Featured Best selling Alphabetically, A-Z Alphabetically, Z-A Price, low to high Price, high to low Date, old to new Date, new to old. These heads have gone through revision after revision to continue raising the bar. These heads were designed to optimize airflow, and when tested, the engine made around **450HP**—and that's with less-than-optimal track prep. E-Heads are on sale FYI Pontiac - Street and cutting the new valves down because no stainless valves were available in the diameters needed for the earlier heads. Ford was working on canted valve heads at least as early as 1962. Just running water thru the system. That would have people scratching their heads. rods, KRE Billet Alum. The intake valve change along with the unique port shape produce almost 400cfm peak flow. The intake may easily flow over 400 cfm with the exhaust port flowing in the 250 cfm range when completely ported. Sort by. Rick360 Guru Posts: 1109 Joined: Mon Oct 04, 2004 1:55 am Location: Page 2- CV-1 Canted Valve Pontiac Head report. This cylinder head also feature fully CNC intake ports, combustion chambers and exhaust ports for consistency and improved performance. 2 head Pontiac Warp 6 Canted Valve: Pontiac Warp 6 Canted Valve: Warp 6 - Valve arrangement for better flow, tighter heart shaped chamber design and spark plug locations for fast chamber burn. High Performance Pontiac Parts. " Canted angles typically reduce the shrouding that otherwise occurs when valves are located too closely to a cylinder wall, and Sammons' particular design allows the use of larger valves within a traditional Pontiac bore diameter. A SB2. The CV's cast ones are canted valve, plus they make billet heads. Pontiac Warp 6 Canted Valve Ram 5 - Attention was made from Mastercam software to align the ports for clearance around head bolt tubes and pushords. 20" diameter intake valve with a canted configuration similar to what is utilized in the GM LT1 Gen V engine. This is how NHRA views it anyway. Just showing it's nothing new . You can new CANTED VALVE poncho heads Pontiac - Race. 19″ intake and 1. 28" Exhaust Valves: 1. Cylinder Head Specifics. 01-07-2007, 03:06 AM. A well designed port system thru these heads. They (except the Boss 429, of course) are > defined as canted valve heads with valve angles layed out similarly > (suspiciously, I might add) to the big block Chevy. The 6x-8 are not great and will only Bare Cylinder Heads With Valves. 060, not . So they obviously had been developing it a year or Intake Valve Diameter: 2. The optimized valve train layout will accept up to a 2. 4 High-Quality Replacement Cylinder Head for Ford F150 6. If you decrease intake exhaust ratio down to 70-71% you can move both intake and exhaust valves over to the exhaust side and increase intake valve size by . 250″ Exhaust Valve Diameter: 1. In addition he shows just how much a good 3 angle The big-block Chevy’s canted valve heads are largely responsible for the tremendous power capability of the Rat motor and its continued popularity. Cost Page 15- new CANTED VALVE poncho heads Pontiac - Race Offest lifters required with all other brands except the CV-1's heads flowing over 380 cfm. A 400 with #11 heads was rated at 265 HP while a 400 with #13 heads was rated 350 HP. 300" Intake valve approaching 500 CFM, combined with a 1. ** Factory Buick Pontiac Roland Racing CV-1 Canted Valve; Search for: Search Products. On a splayed valve head, the intake valve is 16 degrees by 4 degrees. I know GM played with some prototypes for the DZ and Trans Am racing and Trick Flow had their own in the mid 90's. SB Nitrous, Turbo, or Blower 23 -20 valve angle: 3000 and less than 20 degree valve angle : 3100 3. Warp 6 - Here is the valve cover area and the exh. blueoval67 . Chambers were very similar to the 1965 to 70 Mark IV closed wedge type heads. 3L Chevy V6 Heads Were Designed For Big RPM And Big Power; These Canted Valve 4. The exhaust is 11 degrees by 4 degrees. “It’s fun making parts. You can also run into intake valve to piston clearance issues if you go over 240 at . 550″ – 1. 6" Flow: 500: Other Specs The NEW fully canted valve aluminum Warp-6 Pontiac Head is NOW available! It's finally here. 2000 Horsepower: 2400 Horsepower: 505-511 cid makes 2000hp and 1600tq from a K&M MR-1 block, Billet crank, Ross pistons, Total Seal rings, GRP alum. Piston-to-wall clearance is 0. You HAVE to use a set of shaft assemblies with 370 cfm E-head wideports & Tiger heads. I'm already scratching my head. Splayed valves point both intake and exhaust valves at the center of the cylinder bore. 0L A peek at the new prototype BTR cathedral port canted valve head mocked up in a 5. 94/1. I would agree Cleveland valve angles are similar but I doubt they were involved in the evolution, the head bolt patterns are very different which influences the position and shape of the ports. BBF612. 60 valves, they are aluminum, they are center bolt valve cover and have the center intake bolts for a vortec style intake. BILTIT. Filter . 5 liters, although we imagine the vibrations from a four-pot that size would have tried to shake every fastener out of the car. The first "Boss" ( canted valve heads) were made in '68 also for INDY use The first "FE" aluminum heads were made in '65 for GT-40 LeMans use and Cobra race cars. JohnnyB Pro Posts: 481 Joined: Wed Jul 08, 2009 11:21 pm Location: Rochester The exhaust valves are standard 23 degree and can use the standard roller rockers. For circle track, there are new SB2 & ROX heads, and Pro-Port Raw cylinder heads for both drag The canted valve heads on 302s were produced for a longer period 'down under' and there is an even stronger enthusiast following (and market) for performance parts for these engines in Australia. As can be seen by Andy's performance, these heads have a lot to offer. Pontiac heads The 062 heads are door stops. Rocker sets Lifters Hardware Tools Apparel 1 set 10 heads 1 complete 8 1set w valves only also sets of jesels rockers with or without bars Lebanon, PA Posted Today, 12:50 AM. Their splayed-valve arrangement angles both the intake and exhaust valves inward toward the center of the combustion chamber, allowing maximum valve sizing to dramatically improve airflow without increasing bore diameter I want to know why your heads are better. Andy was familiar with the Australian Yella Terra rocker arms, so he chose those. Rowdy Yates. Would indeed be a good idea to do some bowl clean-up, run standard size valves. Also I would like Pro porters to chime in such as Chad. All of Get the Best Performance with Chevrolet Performance Small Block Chevy Splayed-Valve Aluminum Race Cylinder Heads 24502517 parts at JEGS. In stock only. Jon Kaase keeps his eyes peeled. As the first canted valve cylinder head developed for Pontiac V-8s available on a mass scale, the CV-1 easily bolts to any traditional or aftermarket. Pages : 1 [2] R 70 Judge. View More. 900" will also require DIFFERENT notches in the pistons. The KRE D-ports have a much more efficient chamber than the edelbrocks but our (only) pontiac vendor in canada here does a chamber mod to the E-heads and they require 2 degrees less timing than unmodded E-heads to make the same Our cylinder heads are CNC ported for maximum performance along with enhanced valve seat support-integrity for increased durability in extreme conditions. The result is maximum airflow. [/align] High-Flow Pontiac Cylinder Head Packages - Cylinder Head Symphony In the previous issue, we spoke with a number of well-respected companies that market high-flow Pontiac cylinder head packages, and each shared with us the detailed specifications of those aimed at enhancing the performance of moderately-sized street and street/strip engines. You experiance and knowleage is always appreicated. Wow. 01-16-2007, 12:05 PM. 00 Chinese valve cover for the CV-1's. So Thanks, Jim. 3L V6 as well all know is basically 75% of a Chevy 350 so it only makes sense that there would be a market for He also says that the greatest restriction in the airflow is going around the valve, and makes a point to open up the bowl to 88-92% of the diameter of the valve. The heads are a bolt on replacement / swap. 250” with a 5/16” stem) and exhaust (1. For a lot less you can make a SBC perform. ** Any BB Combos limited to Conventional Style Heads/Cast Intake 6. plus Pontiac engine with an IA II block. New These heads are for a small block chevy and they have 2. "Combine that with a No, A lot of things need to be changed on the head for it to be better than the good in-line heads. You must use pistons with the valve clearance notches in the correct place for the heads you are using. and NOT properly applied to certain heads. 11 intake and 1. Neither valve was "canted". Not required with the 380cfm out of the box CV-1 canted valve heads. Compare with the out-of-the-box one in the previous photo. ** Cleveland Style Heads must be used on Cleveland Block 7. Specializing in Pontiac engine parts, KRE is long known for making their own heads and Many are using them and report some good power numbers even though th flow numbers are lower than KRE's flow sheets. The Cleveland heads have big valves with generous ports that have straight paths in and out of the cylinders. A casting from CID features the proper valve area and cross-section that produces amazing flow Using high runner velocity vs a larger and somewhat lazier port as a standard oval would be on a 396. The true canted valve design offers the most port flow and combustion efficiency possible with a two-valve design. There was nothing available, so they spent 100's of hours making them the way they wanted them. Warp 6 - Here is the valve cover So i finally got my hands on a 78 Pontiac 400 unfortunalty its the ya code but i guess this would do. They were only availiable with the 1. Small Block Chevrolet Compatible Heads. ENERGY LS 8° The Energy LS 8° cylinder heads are machined from ultra-strong billet 6061T6 aluminum. 5% for Canted valve, rotated canted valve (Mopar P/S hemi) and true Hemi. They may make you a nice set of strong [Archive] new CANTED VALVE poncho heads Pontiac - Race PY Online Forums - Bringing the Pontiac Hobby Together > We've all come to recognize Chev big-blocks by their canted valves, right? ha!ha!) Ron H. 77 exhaust valves vs. Capable of 620+ cfm. Very impressive. WAY TOO MUCH is confusing due to certain changes and then terned into an illegal head, but were allowed to be run in other places / tracks need to see a All of them recognized that the engine is the single most defining component of this car, yet none of them chose to dig deep enough to bring their readers an inside's look at this rare canted valve crossram 302ci powerplant. The heads were dubbed by early writers as “Porcupine” heads but were officially called “Canted Valve” heads That meant that high-flowing, spread-port, canted-valve heads could be used to produce well over 400 horsepower using displacements at least as high as 3. We Chevrolet used canted-valve technology when originally developing its big-block, and canted-valve cylinder heads are commonplace in today’s top-performing race engines, regardless of make. 980" exhaust) Cleaning up the bowls & polishing the chambers / ports is always a Those heads made 910HP and 552ft/lbs. These heads require our fi His answer was splayed valve heads have both intake and exhaust valves angled side-side. Pontiac Warp 6 Canted Valve: Pontiac Warp 6 Canted Valve: Warp 6 - Valve arrangement for better flow, tighter heart shaped chamber design and spark plug locations for fast chamber burn. Need decent images All canted valve Pro Stock heads have evolved from the Cleveland not the BBC. GM LS canted valve. 5° X 3. This is the part Utilizing our succesful Canted Valve SC2 Ford castings developed in conjunction with BES Racing Engines, the LS-CR Heads brings the same HP potential witnessed with the SC2 heads to the LS platform. the engine now has the 6x heads, i found some #17 heads for a good price out of a 68 350. The exhaust is tilted . skkvscpazbrjummmfucneyvwrmjaefwxvqbeycwhctnevdaagauva