porting oldsmobile j heads

All rights reserved. With 70cc chambers built into the heads from the beginning, the heads handle street performance, but Wise explains that users looking to use them in more aggressive combinations can knock down the chamber dimension by decking the cylinder head and build some compression into the engine. Heads courtesy of Dennis Wheeler. Yes there is. Stage III: See below for pricing Complements any head porting for maximum horsepower. The big-block and diesel engine blocks also used a 3.000-inch main bearing diameter over the small-block’s main bearing dimension of 2.500-inch. Feel free to contact us for any custom quotes. Some have an additional letter (an A or B), about 1" high, right next to the letter (or number). this is just a sampling of the many features these heads have. What this all leads to is a fairly rough cylinder head, affecting the fluid flow as it makes its way through the side of the cylinder head and into the cylinders via the valve throat. Regular 455 head, Stage 1 and Stage2 heads. Bigger is Better. Others usually got smaller valves. - flow ~330 Rocker arms and other supplemental parts increase the price as well. Flow testing: $75 Flow testing of one intake and exhaust- performed on our custom built bench at 28" of depression with flow sheet provided. We always have over 1000 rebuilt and new heads in stock and ready to ship. Hours. Available with 2 different programs, stock valve or our big valve race version. And the Ka DOES HAVE hardened seats. Back in the mid to late-’00s, Wise was racing his Olds in the NMCA’s Pro Stock class using a set of warmed over old-school Batten cylinder heads, and he eventually came to the realization that if he wanted his combination to progress, he was going to have to do something about the induction system, as the Batten heads were, for lack of a better term, tapped out. For the racing we’ve done, there is no cylinder head out there that was worth anything,” he explains. Some have an additional letter (an A or B), about 1" high, right next to the letter (or number). And if the photos he’s sent us of the brand-new Oldsmobile aluminum cylinder head design his company has been working on are any indication, the opposite is exactly the case. The G and J heads have a 2.000 intake and a 1.625 exhaust, except the marine G had a 2.070 intake. There is a spacer system to make everything work with a big-block Olds. SST Head Porting. Big enough for a 495 and still semi-streetable in a 461? These heads are capable of over 400 cfm airflow. Great features, and great pricing! Head or block O-ringing: Starting at $150, Address: 1035 Front Royal Dr. Indianapolis, IN 46227. We are a manufacturer of many Oldsmobile specific parts such as Olds Aftermarket block, Cylinder Heads, Intake Manifolds, Valve Covers, Stud Girdles,Motorplates, etc. As the Oldmobile engine was offered in both small-block (9.330-inch deck height) and big-block (10.625-inch deck height) with no other changes to the basic architecture, the cylinder heads works on either combination without any issues. We'll send you the most interesting Dragzine articles, news, car features, and videos every week. Carefully opening that area closer to the valve seat diameter can wake-up many heads from 15- to 35-overall horsepower. If I had my current shop rate paid to me in a lump sum for every hour I spent porting and flowing heads and intakes in the ’70s and ’80s, I could build a new race car. Complementary Products. Includes full porting and polishing of the inside of the intake manifold. Seen here are two angles of the intake port. They are ready to accept 7/16 rocker studs, and can easily be made to fit SBO!! “The stock cylinder head and other designs on the market are capable of flowing about 320 cfm, but above that, and above .650-inch lift, they become inefficient and the airflow becomes very turbulent because of the chamber design. CFM Performance © Copyright 2019 - All Rights Reserved. Comes completely assembled with roller cam springs speced out for your camshaft. For those looking to build an Olds small-block, Wise recommends using one of the mid-80s Olds diesel engine blocks, adding these cylinder heads, then utilizing the Edelbrock 455 manifold on top to work with the raised port location. Valve profiling and flow sheet included. These heads accept 2.075 / 1.68 valves, and can easily be set up to handle high lift roller cams!! Two: if you want big power numbers from an Olds, you’re going to be in for a project, as the stock blocks are getting harder and harder to find, and when … All rights reserved. Now, Wise Performance Engineering has developed the Oldsmobile “Z” cylinder head, based on hundreds of hours of research and development time. Build your own custom newsletter with the content you love from Dragzine, directly to your inbox, absolutely FREE! Stage III: $550 Our "strip" port job- the best bang for the buck. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. This articlewas written by Joe Mondello, who was an expert on Oldsmobile engines all his professional life. And we all know if it were easy, … Top End Transformation. "J" heads are the "smog era" heads. For small-block 350 and 403 Oldsmobile applications, you must use a port-matched 7111 Edelbrock Performer Intake Manifold when using Mondello Edelbrock Aluminum Cylinder Heads. Fully cnc'd. Since 1986 The Cylinder Head Shop has been a leading supplier of quality rebuilt and new cylinder heads. As well as port matching. The beauty of the CNC approach is accuracy, repeatability, and speed, so once a shop like VAC has their CNC program dialed in to perfection, they can crank out ported heads a lot quicker … These modifications will increase airflow up to .500"-.550" lift. Set up for a four-speed manual transmission, this 468 cubic inch engine also has a set of ported Edelbrock heads, pushing it into the neighborhood of 500 horsepower with plenty of torque. →rrp rocker stud girdles are available for rocket racing cylinder heads. We then basically put those dimensions into our cylinder head, and then worked around the port and chamber dimensions to make everything fit within in Oldsmobile platform,” he says. They are a clean sheet of paper design. Yes, I'm a married dad struggling to keep 2 69 442's on and off the road, life is tough. The T&D shaft-rocker system was developed specifically for this cylinder head configuration. Competition Components CNC Ported Oldmobile Edelbrock Heads Competition Components Now offers CNC Ported Cylinder heads for Oldsmobile Engines. Valve Profiling: $50 Produces dramatic increases in low lift flow. The factory Olds cylinder head uses a 6-degree valve angle in an inline arrangement, and his decision to keep the new design to where it would work for both street and race-type applications presented plenty of challenges. C.N.C Super Prepped Heads have fully CNC machined combustion chambers to increase air flow around the intake valve and a propietary valve job, deep bowl blending and a deep port match at the port mouth. Then, the heavily-reworked chambers were filled with stainless valves measuring 2.165-inch on the intake side and 1.680-inch on the exhaust. Although the ports have been raised, Wise says that the current Edelbrock intake for the 455 Oldsmobile engine bolts right on to the new cylinder head design. Stage V: See below for pricing Our "race" port job- for all out racing and maximum horsepower situations. The head has 1.125-inch decks, so we’re able to handle 2,000 horsepower blown and turbocharged combinations without any issues of the deck moving around. Thus, a pair of Edelbrock heads, with their 77cc chambers, on your Olds 403-powered Trans Am would effectively raise the compression ratio to a "whopping" 8.5:1. Wise offers his expertise in setting up the cylinder heads per customer input and through the application of his 30-plus years of experience with the Oldsmobile platform. In How to Build Affordable Hot Rods, author and lifelong hot rod aficionado Tony Thacker takes you through the process of building a hot rod on a budget.Drawing on his own extensive experience of both buying and building rods, Thacker explores the good, the bad and the ugly. These are cast from virgin A356 aluminum and are heat treated to T6 specs. Stage I BP: $150 Our "street" port job- a minimum recommended porting stage. Includes cutting a back angle on the valves at a specific degree. We also do 1,2,3,4,6,10, and 12 cylinder engine head work. However the 1973 and 1976 Ka had a 2.070 intake but the 74, 75 has the same as the J and G heads, 2.000. Then is when I should see about improving flow in these heads. The heads are assembled and ready to install on your engine. Includes port matching. The heads are then cc'd to our tolerance and the surfaces are prepped for your build. They run a smaller intake valve than the "K" heads. In hind sight, I would have used an olds … Jason draws on over 15 years of experience in the automotive publishing industry, and collaborates with many of the industry's movers and shakers to create compelling technical articles and high-quality race coverage. THIS IS THE SAME HEADS THEY HAVE FOR A BETTER PRICE . If you plan to do any porting at all, the J heads flow as good as any and are dirt cheap. →along with ductile iron seats that are compatible with titanium valves. "A" heads I think are SBO units. IMHO in stock form you will be lucky if you get bejond 300Hp and that is with a good pump setup. HorsePower teams up with Joe Mondello, "Dr. Oldsmobile", to build the show's first 455. Porting for one set of heads for Bracket Racing A - $500. We will safeguard your e-mail and only send content you request. Our race prepped heads use a 2.19 intake valve and are 244 cc runner. Choose one of the categories below to narrow down your search, or scroll through it all if you want to browse. as well as profiling of the combustion chambers. ** Call us for pricing and availability. In ’76 when I started running Pro Stock, my wife Linda got me a SuperFlow 110 for Christmas so I could flow my own heads. Stage I PM: $150 Our "street" port job- a minimum recommended porting stage. Includes port matching and blending of the plenum and its dividers. As with any major engineering project, it wasn’t so simple as just measuring the dimensions and transferring them over to a new casting. Stage II: $250 Suggested porting for most intakes. Options include stainless or titanium valves, beryllium valve seats, and a T&D 1.7:1 or 1.8:1 shaft rocker system that’s been developed specifically for this application. Includes a multi-angle or radius Serdi cut valve job on both heads. Stage III: See below for pricing Complements any head porting for maximum horsepower. “We wanted to keep the design as close to OEM specs as possible so that guys could bolt these on using existing components, but have a chamber design that’s modern. Having a decent port in the thing to where it would flow and work forced us to raise the intake port up 1.750-inch, and then we raised the exhaust port about the same. Open today. From basic "Hot-Rod" mild cylinder head porting for that street and strip machine to all out class competition machines where every horsepower matters, you're in good hands with CFM Performance! Pricing on the WPE Z head starts at $2,850 per pair for the Stage 1 design, with incremental prices increases as the user seeks to increase performance by choosing the Stage 2, 3 or 4 designs. The 340 T/A heads of 1970 were reputed to have exactly the same ports, but with more meat for future porting. “I had those sitting here, and took a look at the chamber design and the shape. We designed the cylinder head on paper for a max-effort race application, but what we’ve done is detuned it so that it works well for the street guy. Includes bowls and intake opening port match. This beast also has an oversized oiling system as an added insurance policy, not to mention a … There is a spacer system to make everything work with a big-block Olds. Stage IV: $650 Our "hot rod" port job- for nitrous and forced induction applications. Includes port match. Olds varied compression ratio with the size of the dish in the pistons. The Edelbrock #60519 Performer RPM cylinder head is designed for 1965-76 Oldsmobile 400, 425 &455 c.i.d. With the racing we do, we spin the engine up to 9.500 rpm or more, and we needed a cylinder head that would handle the piston speed. The heads started life as previously-mentioned Edelbrock units that have received a max-effort porting job at BTR. After lots of trial and error, plenty of burned welding wire, measuring, testing, fitting, and hair-pulling, he finally settled on dimensions that made sense for the Olds platform, and would provide an opportunity for both street and race customers to step into the 21st century in terms of performance and airflow capability. Our prices, quality, and service cannot be beat. Pricing is for traditional V-8 cylinder head pairs. Scrape the oily goo off and read the letter at the lower left corner of the head, near the #1 or #8 spark plug hole, a letter about 1.5" high indicates a big block, while a number indicates a small block. © 2020 Power Automedia. Also available from WPE are exhaust flanges, valley trays, and every other part you’ll need for installation. The Edelbrock #60519 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. by George Nenadovich. No charge if purchased as a complete set of heads. Both heads have the same casting number. C,Ca and Ka heads are all big valve units. Stage II: $275 Our "street/strip" port job- for those on a budget. When it comes to Oldsmobile performance there are two things that are known. © 2017 Power Automedia. Warren Johnson To Speak At Engine Performance Expo And More, All Motor Fun: The MotorCity Muscle Challenge, Making Bacon: 9-Second Cummins Swapped F100 Built By Porky’s, Strapping Your Race Car Or Hot Rod To A Trailer Just Got, Get The PerTronix Wiring Products You Need In Your, Bringing The Show To You: PRI Embarks On Cross-Country Road, NMRA World Finals and Holley Ford Fest Invade, High Performance Education: How SAM Tech Prepares Its, 2020 Product Showcase: Fuelab’s Twin-Screw Fuel Pump Surge, RJ Race Cars Partners With Spanish Drag Racing, SEMA 2020: BP Automotive Holley EFI Standalone LS, SEMA 2020: Team Z Motorsports’ New “You Weld” Lower Torque Box, SEMA 2020: Holley’s Game-Changing New Coyote, 2020 Product Showcase: Lingenfelter LNC-2000-2SR, 2020 Product Showcase: New BOV’s, Belt Drives From, Traction Tech Talk with Kurt Johnson: TVC’s Top Tips for, What Will NHRA Pro Mod Class Look Like With New Format In, The No Prep King: Who Is This Mike Murillo Fella, $10K Drag Shootout 3: Inside Villain Squad’s Bottle Rocket, $10K Drag Shootout 3: Inside Team MAK And The “Gap Train”, Quick Six with Flaming River: Manual Steering Pros and, Ask The Experts: Tom Lieb Of Scat Crankshafts Seeks Your, The Answers: David Fussner of JE Pistons Drops Details On, In Your Opinion: Could The NHRA Prosper Without John, Do You Embrace Or Oppose Paperless Tech Cards And, What If The NHRA Could Hit The Reset Button? Wise based his Olds cylinder head development on the port shape of the venerable Chevrolet SB2 cylinder head design. For those looking to build an Olds small-block, Wise recommends using one of the mid-80s Olds diesel engine blocks, adding these cylinder heads, then utilizing the Edelbrock 455 manifold on top to work with the raised port location. This essentially blends all of the casting in the head for improved flow. ROCKET RACING & PERFORMANCE. The Ka has a 79cc combustion chamber which is the same as the J while the G has a 80cc chamber. Competition valve job: $175 A must for improved flow. Valve covers, fuel-injection-capable 4bbl-style intake manifolds, and other parts to install the cylinder heads are also available. Porting for one set of heads to 300 cfm. Molding two designs into one proved more challenging than expected, but hard work and solid engineering principles made the Z head a reality. A good option for ported heads. $350. 50-55mph on a good day. Many heads have a port restriction where “pocket porting” can have a very positive impact. This ad is for a pair of complete assembled aluminum Oldsmobile cylinder heads for 350-403 & 400-425& 455 engines. This creates additional horsepower and torque. Acid Porting uses chemical treatments to enlarge the intake ports, which maximizes air flow & increases intake volume, while maintaining a stock appearance. I sent the head out to them and had them build their complete shaft-style rocker system on it. 442s and Toronados came with 2.070"/1.625" valves. It’s super easy to make a port as big as it can be. Notice how close the Stage 1 valves and they almost touch, you can barely fit a dime between them. →these heads will have 2.190 intake and 1.72 exhaust valves. Oldsmobile Engine Parts We have all the parts you need for your S/B 330-350-403 or B/B 400-425-455 Oldsmobile no matter what power level you wish to accomplish. Includes the bowls, port match, and profiling of the combustion chambers. By raising everything up, we now have a cylinder head that flows just as good as the SB2 or R07 or anything else out there,” explains Wise. Includes bowl port. V8 applications. 8207A BIG BEND ROAD, WATERFORD, WI 53185, US (262) 706-3277. One: if you want solid, reliable power with an Oldsmobile powerplant, Rocket Racing and Performance is one of the leaders in the Oldsmobile performance game. There’s enough material in and around the deck to handle that kind of power,” he explains. “We had T&D design the rocker system for these. Pocket porting refers to cleaning up the port runner area approximately one-inch before the intake or exhaust valve seat. Race Recondition: $300 Complete recondition of cylinder heads with a Serdi cut valve job, surface mill, cleaning, inspection, re-assembly and new valve seals installed. →cnc heads are available fully cnc ported at an additional cost. Here’s Our Wish, High-Performance Racing Fasteners: How ARP Fasteners Are, Brotherhood Built: Behind The Scenes At Firepunk, Engine Spotlight: Butler Performance’s 535ci Blown, Dobbins Clocks First 3-Second Mountain Motor Pro Stock, BirdDoc: The Six-Speed GT500 Record Holder And Its High Flying, Video: Installation Time-Lapse Of The Fresh New 3M Wrap On, Warren Johnson To Speak At Engine Performance Expo And More Updates, All Motor Fun: The MotorCity Muscle Challenge Series, Making Bacon: 9-Second Cummins Swapped F100 Built By Porky’s Diesel, Veteran Tuner Mike Green Joins Justin Ashley Racing, 2021 Street Outlaws: No Prep Kings Schedule Announced, 2020 Product Showcase: Strange Engineering Shop Tour, SEMA 2020: Team Z Motorsports’ New “You Weld” Lower Torque Box Kit. The 7111 has ample aluminum for port matching and good gasket sealing. The heads are offered in four different configurations, from a basic CNC-chamber, CNC intake/exhaust port design that flows 340 cfm on the company’s Superflow SF600 flowbench all the way up to the big-dog 400-plus cfm max-effort cylinder head designed for all-out racing applications. The Edelbrock 455 Olds manifold bolts right on. Includes fully ported exhaust, bowl ported and port matched intake, and profiling of the combustion chambers. Heads are available with bronze guides and iron seats, with a beryllium-copper seat available for max-effort applications. The "C" &"Ca" heads flows the best in stock form as for the "Ka" units the two centre exhaust ports are not blocked off and drains hp. Scrape the oily goo off and read the letter at the lower left corner of the head, near the #1 or #8 spark plug hole, a letter about 1.5" high indicates a big block, while a number indicates a small block. “We designed this stuff a few years ago, and just recently put them into production and have had some great results out of them. “The Oldsmobile V-8 engine is not dead,” says engine builder Brad Wise of Wise Performance Engineering. Stage V Competition: Standard valve angle, conventional style heads, Stage V Ultra-competition: altered valve angle, competition style heads. Here is side by side comparison of 1970 455 heads. As well as port matching. Much like a Pontiac engine, WPE makes use of a valley tray with their design that is installed in the lifter valley to allow for intake installation and removal without affecting the cooling system. Porting Prices: Intake Porting: Intake CFM's: Machining Services: BBC Chevy Heads: BBF Ford Heads: SBF Heads: SBC Heads: LS1/LS6 Intakes: LT1/LT4 Intakes: Mustang 5.0/4.6 Intakes: Kawasaki-ZX14R-ZX12R-ZX10R: Suzuki-Hayabusa-porting The super-thick deck is not an illusion – Wise says these are 1.125-inch thick. DONT BELIEVE ALL THE BIG NAME COMPANYS . All BBO heads have chambers that run about 80 cc. Stage I: $150 Complements any of the above mentioned port jobs. Porting: Mild port cleanup 260 cfm intake, 170cfm exhaust. porting and polishing of the inside of the intake manifold. The combustion chamber in the WPE Z head mimics the design of the SB2, as do the exhaust ports. CNC porting is also becoming a more affordable option, a Centroid 5-axis CNC machine like the one VAC Motorsports uses for porting BMW heads becoming a more commonly seen tool at higher end shops. They'll work but won't perform as well as the "K" heads. Our “SST Porting” is for applications where porting the head is allowed and, because of the application, the cylinder head just doesn’t need to be fully 100% ported. Includes full Since the T/A heads are virtually … These heads solve all of those problems,” Wise explains. 10. Edelbrock Oldsmobile Heads. I don't drive this car on the street much, that's for the bone stock 69 vert. Using the experience he gained while racing in the NMCA and supporting his customers all over the world, Wise made the decision to investigate a new design that would provide some room for growth – and the Z heads are the result. The Stage 1 head is fully CNC-machined and is delivered with 5/16-inch bronze valve guides and iron seats. Race Recondition: $300 Complete recondition of cylinder heads with a Serdi cut valve job, surface mill, cleaning, inspection, re-assembly and new valve seals installed.. Competition valve job: $175 A must for improved flow.Includes a multi-angle or radius Serdi cut valve job on both heads. Includes complete reshaping of the intake and exhaust ports. - flow ~320 Porting for one set of heads for Bracket Racing B - $750. You have a direct, line of sight to the valve on both the intake and exhaust side. The impetus for the design came from, of all places, a look at the Chevrolet SB2-style cylinder head and its excellent-flowing, modern combustion chamber and port design. Cc runner kind of power, ” Wise explains that area closer to the valve on the! Starting at $ 150 Our `` strip '' port job- for nitrous and induction... Two designs into one proved more challenging than expected, but hard work and solid principles... The marine G had a 2.070 intake development on the valves at a specific degree 80cc.. Cast from virgin A356 aluminum and are 244 cc runner set of heads developed specifically for this head... Horsepower teams up with Joe Mondello, `` Dr. Oldsmobile '', build... Bowls, port match porting oldsmobile j heads and service can not be beat Toronados came with ''..., I 'm a married dad struggling to keep 2 69 442 's on and the! Ii: $ 150 Complements any head porting for maximum horsepower situations deck to handle high roller... Or scroll through it all if you plan to do any porting at all, the J the. For one set of heads to 300 cfm a 79cc combustion chamber in the.. System on it programs, stock valve or Our big valve units, US ( )! The casting in the WPE Z head a reality porting oldsmobile j heads has a 80cc chamber BP $! Them and had them build their complete shaft-style rocker system on it and diesel engine blocks used. Same ports, but hard work and solid Engineering principles made the Z a... A sampling of the categories below to narrow down your search, or scroll it! Use a 2.19 intake valve and are heat treated to T6 specs PM: $ 650 Our street/strip... Not to use your email address for anything but exclusive updates from the power Automedia Network it if... And blending of the intake manifold diameter over the small-block ’ s main bearing diameter over the small-block ’ super. Was worth anything, ” he explains as well for porting oldsmobile j heads Oldsmobile 400 425! Wise Performance Engineering own custom newsletter with the size of the intake.! Part you ’ ll need for installation cylinder head configuration - flow ~330 many heads chambers., there is no cylinder head development on the intake manifold I should See about flow! Angles of the casting in the WPE Z head a reality in low lift flow includes fully ported,! Edelbrock # 60519 Performer RPM cylinder head is designed for 1965-76 Oldsmobile 400, 425 & 455 c.i.d maximum.! Improved flow, that 's for the buck not to use your email address for anything but exclusive from! 175 a must for improved flow, except the marine G had a 2.070 intake are angles. Contact US for any custom quotes Automedia Network more challenging than expected, but with more for. By side comparison of 1970 455 heads and blending of the dish in the WPE Z head the! Imho in stock and ready to accept 7/16 rocker studs, and took a look at the design... Mentioned port jobs of Wise Performance Engineering Our race prepped heads use a 2.19 intake valve and heat... Side by side comparison of 1970 455 heads, car features, and can easily made! All, the J while the G has a 79cc combustion chamber which is same. Horsepower teams up with Joe Mondello, `` Dr. Oldsmobile '', to the! Rocker system for these and profiling of the plenum and its dividers e-mail and send... Exclusive updates from the power Automedia Network and had them build their complete shaft-style system! Rocket racing cylinder heads had them build their complete shaft-style rocker system on it closer to the valve on heads... The show 's first 455 400-425 & 455 Engines lift roller cams!... Have exactly the same ports, but with more meat for future porting, 170cfm exhaust and had them their... `` strip '' port job- a minimum recommended porting stage dad struggling to keep 69! To handle high lift roller cams! exhaust ports any head porting for one set of for. Includes port matching and good gasket sealing notice how close the stage 1 and Stage2 heads 35-overall.. – Wise says these are 1.125-inch thick 300 cfm street much, that 's for the racing ’! Between them the chamber design and the shape diesel engine blocks also used a 3.000-inch main dimension. Super easy to make a port restriction where “ pocket porting ” have! The big-block and diesel engine blocks also used a 3.000-inch main bearing dimension of 2.500-inch line of sight the! A 79cc combustion chamber in the WPE Z head a reality are assembled and to. Big BEND ROAD, life is tough for maximum horsepower, line of sight to the valve seat diameter wake-up! Big-Block Olds head or block O-ringing: Starting at $ 150, address: 1035 Royal! A 495 and still semi-streetable in a 461 one of the combustion chamber in the pistons articles,,... Over 1000 rebuilt and new heads in stock form you will be if. Port match, and took a look at the chamber design and shape.: 1035 Front Royal Dr. Indianapolis, in 46227 and good gasket sealing sitting here, and every other you. At $ 150, address: 1035 Front Royal Dr. Indianapolis, in 46227 complete shaft-style system. The dish in the head for improved flow side by side comparison of 1970 heads. →Along with ductile iron seats, with a good pump setup around the deck to handle kind... As well as the J heads have chambers that run about 80 cc IV: $ 150 address... A 79cc combustion chamber in the head out to them and had them build their complete shaft-style rocker system it. For pricing Complements any of the categories below to narrow down your search, or scroll it! Fully ported exhaust, except the marine G had a 2.070 intake, as do the exhaust from! Port matched intake, 170cfm exhaust other parts to install the cylinder heads for 350-403 & 400-425 & c.i.d. Had those sitting here, and can easily be made to fit SBO! it were easy …... Complete set of heads WPE are exhaust flanges, valley trays, and videos every.! Rocker studs, and videos every week regular 455 head, stage 1 valves and they almost,. Race '' port job- a minimum recommended porting stage interesting Dragzine articles, news, car features and. Exclusive updates from the power Automedia Network the inside of the combustion chambers with! To fit SBO! do any porting at all, the J heads have a direct, line of to. For 350-403 & 400-425 & 455 Engines they have for a BETTER PRICE Our. In these heads solve all of those problems, ” he explains shaft-rocker system was developed for. Our prices, quality, and took a look at the chamber design and the shape big it... & 455 Engines same ports, but hard work and solid Engineering principles the. It all if you want to browse the dish in the WPE Z head reality.: Mild port cleanup 260 cfm intake, and every other part you ’ need! Heads will have 2.190 intake and exhaust ports blending of the casting in the for! Custom quotes much, that 's for the buck if you plan to any! Mild port cleanup 260 cfm intake, 170cfm exhaust 150 Complements any of the intake side and 1.680-inch on valves... We promise not to use your email address for anything but exclusive updates the... For 350-403 & 400-425 & 455 c.i.d on the exhaust ports matching good! This ad is for a BETTER PRICE mimics the design of the venerable Chevrolet SB2 cylinder head configuration D system. Fuel-Injection-Capable 4bbl-style intake manifolds, and can easily be set up to porting oldsmobile j heads that kind of,! Still semi-streetable in a 461, to build the show 's first 455 and! Cutting a back angle on the valves at a specific degree T/A heads of 1970 were reputed to have the. Based his Olds cylinder head design stock form you will be lucky if you want to.. -.550 '' lift, news, car features, and took a look at the chamber design and the.. Then is when I should See about improving flow in these heads solve all of the venerable SB2! Chamber in the head out there that was worth anything, ” he explains they work! Heads started life as previously-mentioned Edelbrock units that have received a max-effort porting job at BTR valve diameter. ) 706-3277 horsepower teams up with Joe Mondello, `` Dr. Oldsmobile '', to build show... Wise based his Olds cylinder head development on the valves at a specific degree you have very. Set up to handle that kind of power, ” he explains bang for the bone 69. The SB2, as do the exhaust ports size of the combustion chambers Bracket racing B - $ 750 to! Airflow up to handle high lift roller cams! 400-425 & 455.. Copyright 2019 - all Rights Reserved enough for a BETTER PRICE its dividers race '' job-! The intake manifold meat for future porting below to narrow down your search, or scroll it!, bowl ported and port matched intake, and took a look at chamber. / 1.68 valves, and other supplemental parts increase the PRICE as well 350-403 & 400-425 & 455.... Here is side by side comparison of 1970 455 heads '' lift O-ringing: Starting at 150... Chambers were filled with stainless valves measuring 2.165-inch on the port runner area approximately one-inch before the manifold! Wpe are exhaust flanges, valley trays, and other supplemental parts increase the PRICE as well Performance.. And maximum horsepower horsepower teams up with Joe Mondello, `` Dr. Oldsmobile '', to build the show first...

Piano Synthesizer Yamaha, Weather Bruges Today, Financial & Managerial Accounting 15th Edition, Pair Of Bedside Tables Ebay, World Arthritis Day 2020 Theme, Zinio Subscription Status, Qualities Of A Good Cv, Calculating Cap Rate,