Once JavaScript is enabled please refresh the current page. The Oldsmobile V-8 engine is not dead, says engine builder Brad Wise of Wise Performance Engineering. Stage I PM: $300 Our "street" port job - a minimum recommended porting stage. You do. The T&D shaft-rocker system was developed specifically for this cylinder head configuration. The deck thickness and stiffness required on the cylinder heads has to be determined according to the amount of horsepower the engine can produce. Our office will be closed December 31. Rule Number 2: Let the air move the way it wants to, not the way you think it should. They feature double-pinned rotors (timed and clearanced after assembly), heavy duty front and rear bearing plates, and an intake manifold. The super-thick deck is not an illusion Wise says these are 1.125-inch thick. From there, Oldsmobile engineers took their shot at creating the best possible drag race head, and introduced the Oldsmobile Pro Stock head (PN 24502585). During the early 70s, this winning father-son combination went to work at the Parker Dam 9 hour enduro, winning the Jet Boat class with an Olds 455 in 1972 and in 1975 & 1976, back to back wins with a 500 c.i.d. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are as essential for the working of basic functionalities of the website. These heads were a good bang for the buck with room to grow vs the cam that I am running. Copper head gaskets get a bad rap from people, mostly because the O-ring job was performed incorrectly, allowing coolant into the engine. I have milled factory iron, Batten, and Edelbrock Performer RPM heads as much as .100 inch for certain applications. Now, Wise Performance Engineering has developed the Oldsmobile Z cylinder head, based on hundreds of hours of research and development time. The first 7,6 & 5 second Top Fuel runs and the first 200 mph runs in Top Gas, Top Fuel, Injected Fuel, Fuel Altered were all accomplished using Mondello cylinder heads and Don Garlits set most of these records, making Mondello the most notable, historically recognized heads. WebAt the end of the day, pocket porting may not produce the fastest-looking set of heads or the most photogenic, but the results can be very satisfying. Luckily, I saved all of my used ones and reused them by glass-bead cleaning them and gluing a .015-inch-thick soft copper wire around the raised combustion ring. " ?~`?|-wR]6SK0[.@#Y8FljVlUU J@L>} 8 A_'kN}JMx!M*~_YkkRaKA;CQ=U ?1Y-o)K ?YyFAiW7WTI *" 2D?ks,P)k!PCo* \?+0%/rD_Bt!e{IlI!|U8?!> 8z~Uj^[#2P#^W$*UWQ -TeE9\ To learn more, view our, For the ultimate in performance, our E-CNC cylinder heads are the answer. Some manifolds may not have enough material and runner volume to match, but the Edelbrock Victor (PN 2812) does. Includes port matching and blending of the plenum and its dividers. Not a lot of flow yet as there's no real work in them yet They're going on a 461, cn crank, stock rods, arp head, rod, main bolts. Combustion Chamber, Exhaust and Intake Ports all fully CNC machined for better flow. Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. In years past, I measured intake runner volume in a bunch of different-lettered iron cylinder heads, and found that the E castings were second in line to the J heads in small runner size. My question is how far can you port these heads? to grow your business. COMPLETE READY TO BOLT ON. For the ultimate in Street Performance, look no further than the Outlaw Series. With 2021 in full swing, many gardeners are looking for new varieties of plants to grow. 0.027" cometics, should be roughly 9.6-1. Project Murderous Overkill by Christian Hazel, JP Magazine The Mondello Monster. The Edelbrock 455 Olds manifold bolts right on. For those racers looking for a head with 500+hp potential, this is it! This factory iron big-block A cylinder head has the largest ports I have seen. SPRINGS,LOCKS, RETAINERS, STUDS,GUIDEPLATES, AND VALVES. They include almost everything you need to make serious horsepower. Includes the bowls, port match, and profiling of the combustion chambers. They are available in .028 and .040 thicknesses. 0000000680 00000 n While few would ever recommend bolting small-block heads on a big-block engine, using the big-block heads atop a small-block bottom end is a cool hot rod trick. Includes full porting and polishing of the inside of the intake manifold. WebThe oval port head has 110-cc chambers, and the rectangular port head comes with 118-cc chambers. no cnc job or significant port work? SpeedmasterTM kits bring together everything you need. 1 PAIR OF ROCKET RACING CYLINDER HEADS. These castings are undesirable for performance use. WebThe Olds head can gain about 80% of its total potential flow by matching ports on intake and exhaust side (yes grind out those headers), removing A.I.R. Also available from WPE are exhaust flanges, valley trays, and every other part youll need for installation. The famous C head is well known for being the best factory iron cylinder head to use, but I have not found that to be the case. We use encrypted SSL security to ensure that your credit card information is 100% protected. FEATURES INCLUDE: The only heads designed specifically to accommodate almost any CNC port configuration; Hot Isostatic Pressing castings available for increased strength and density; Cast in the USA at Edelbrocks state-of-the-art foundry CFM Performance Copyright 2023 - All Rights Reserved. WebSpeedmaster CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. 0000000833 00000 n Yes, they have a ton of potential but need some work to get there obviously. JavaScript is disabled. WebHeads Shop at 4101 Bergen Turnpike, North Bergen, NJ 07047. Joe Mondello designed open chamber big and small block Chevy cylinder heads and pistons long before Chevy did. Trust me, when the job is done properly, there arent any sealing issues in the highest-horsepower applications. CNC Ported heads eliminate human error and variation from port to port. Stage III: See below for pricing Complements any head porting for maximum horsepower. 0000001493 00000 n This website uses cookies to improve your experience. Oldsmobile. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. so, these are Pro Comps that got cleaned up a little? The EX port is really good. Giant Killer by Chris Hemer, Popular Hot Rodding Bigger isnt always better and Mondellos 307 Olds proves the point. Back in the mid to late-00s, Wise was racing his Olds in the NMCAs 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. Intake and 1.680 in. Pro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us I have seen very slight water seepage on engines using aluminum heads. 1101 W. Rialto Ave. Rialto, CA 92376, USA+1 (310) 361-0020, 23 Mount Erin Rd,Blair Athol NSW 2560, Australia+61 2 9607 2299. I plan on finding a GT-40 upper and lower intake. Heads Shop can be contacted via phone at (201) 223-2300 for pricing, hours and directions. Extremely aggressive , suited for next level all-out competition. Side & Ream Head Bolt Holes, Finishing of Custom Unfinished Race Block, Machine / Align Bore for Big Ford Cam Bearings, Balancing V-8 Assemblies (Heavy Metal to Balance Additional Time & Material), Intake Match, Bowl Blend, Polish Chamber& Exhaust Port (Pr). WebOLDSMOBILE ALUMINUM HEADS 330,350,403,400,425,455. WebAll Speedmaster 18deg. Stage V: See below for pricing Our "race" port job- for all out racing and maximum horsepower situations. This happens either because the combustion seal is compromised or the head does not sit flat due to improper machining. Submit your email to receive the latest stories and expert advice Rated 5.00 out of 5 $ Add to cart $ 995.00 Add to cart; Home; Parts. A head with 180 or 185cc intake runners will work well on a typical 350 Chevy street engine that makes 400 to 450 horsepower. Exhaust. Our EFI systems provide excellent throttle response throughout the RPM range along with smooth engine operation. Notice the shape of the port under the intake seat. 0000369701 00000 n Wow the before the bowl work they are far from impressive. 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 big-block and diesel engine blocks also used a 3.000-inch main bearing diameter over the small-blocks main bearing dimension of 2.500-inch. But what can we do to help? Always remember, at Mondellos you get what you pay for: Horsepower, not promises. Peppers take longer than tomatoes to get going, so start them first. The cylinder head is machined so that the stainless .041-inch-diameter O-ring protrudes .015 inch up from the deck, and the corresponding .040- to .060-inch-wide receiver groove is machined at the same depth into the block. 2023 Power Automedia. Includes complete reshaping of the intake and exhaust ports. THE ONLY WAY TO ACHIEVE EQUAL FLOW AND FILLS ALL CYLINDERS THE SAME WAY, WHICH YIELDS HIGHER HORSEPOWER AND HIGHER TORQUE NOT SEEN WITH OTHER HEADS. And a very good head porter. These cookies do not store any personal information. When milling to reduce the combustion-chamber volume, it takes approximately .006 inch of deck surface removed per cubic centimeter of reduced combustion-chamber volume. We use cookies to provide you with the best possible user experience. Edelbrock Aluminum Cylinder Heads are ready to bolt on and go right out of the box. Includes a multi-angle or radius Serdi cut valve job on both heads (seat cutting only). Most Olds folks seem to prefer theC heads for their added performance and better flow. Throttle response and power range from 1500 - 6500 RPM. THIS PACKAGE INCLUDES: 1 PAIR OF ROCKET RACING CYLINDER HEADS. Includes bowls and intake opening port match. Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. WebALL ROCKET RACING CYLINDER HEADS ARE BUILT PER CUSTOMER APPLICATION.PLEASE CALL TO ORDER. This creates additional horsepower and torque. Of all the factory iron heads I have played with, I have found the A heads to be the best in stock form. Any time you force air to flow along a particular path, the total flow almost certainly drops. Using only high-grade components, our team of machinists and engineers with 40+ years experience get the job done with quick turnaround time and proven precision and assured quality control. By continuing to use our site, you agree to their use. A Heads Shop has a 4.0 Star Rating from 4 reviewers. All rights reserved. WebCompetition Components Now offers CNC Ported Cylinder heads for Oldsmobile Engines. So give your heads a check with a set of vernier calipers to make sure that the deck surfaces are parallel to the valve-cover rail and the same as each other. 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. Includes bowl port. Coming along slowly.. it's a long winter. Big race port is 300cc and hits 390 cfm. Porting at Home by Michael Lufty, All Chevy Head Wizard Joe Mondello offers tricks of the trade. This essentially blends all of the casting in the head for improved flow. 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. Cookies are disabled. Stage III: $850 Our "strip" port job - the best bang for the buck. We designed the cylinder head on paper for a max-effort race application, but what weve done is detuned it so that it works well for the street guy. 1970 Olds Cutlass S,9.5 to 1 358,Gen 3 Edelbrock,400Hp/Tq,Mahle 1mm pistons, Molnar rods,ARP,330 forged crank, 218/218 .541/.541 112 LSA roller cam, shorty headers,2.5" duals,X pipe, Superturbo's,2350 stall,TH2004R,3.08 Type "O". 7Us.QW~?Y"6P-7Kv4z~hFseH.I>ZVb>U43T. Your One Stop Shop For Olds Performance Products. Speedmaster has taken the guesswork out of top-end component selection by actually placing the top end components together in complete kits. USES OLDSMOBILE HARLAND SHARP ROCKERS OR COMPARABLE. Speedmasters 6-71 Street Supercharger kits can give you 45-55 percent more streetable power. The lowest combustion chamber volume I ever had on an Edelbrock Performer RPM head with the standard combustion chamber was on the 2009 Engine Masters Challenge engine at 46 cc. There are a number of head gaskets for the Oldsmobile engine. There is not a better method of sealing combustion than the copper head gasket with the proper O-ring and receiver grooves machined into the head and block. COMING SOON IS THE ROCKET RACING TUNNEL RAM FOR OUR RRP HEADS!!! DRILLED FOR 1/2" HEAD STUDS. 1 ROCKET O-rings can be installed in the head or the block, but preferably in the cylinder head. All of the great drag race cars ran with Mondello. A street port job will open things up nicely. Churn out all the asphalt-chewing, road-grating horsepower you want with our massive selection of rotating assemblies! 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. In the early 1950s, before Joe was 17 years old, he had already ported & relieved more than 50 Ford flat head blocks for the finest engine builders of that era. Stage II: $550 Our "street/strip" port job - for those on a budget. Estler's Mortgage Lifter tomato is one of the most popular heirloom varieties that is perfect for home gardeners. Oldsmobile Top End Kits; Oldsmobile Aluminum heads; Oldsmobile Intake and fuel systems; Oldsmobile rotating systems; Camshafts and lifter sets; Oldsmobile roller rockers and pushrods; This, Affordable Street Performance Applications, Select Performer Heads are 50-States Legal, Next-Level Street Performance Applications, High-Performance Street & Light Race Applications, Available in CNC Ported for Maximum HP/TQ, Raised Runners, Revised Chambers and Relocated Valves, Available with original Edelbrock script or block logo design, Available with raised-roof combustion chamber design for high-lift cams, Manufactured by the company that pioneered Flathead performance, The only heads designed specifically to accommodate almost any CNC port configuration, Hot Isostatic Pressing castings available for increased strength and density, Cast in the USA at Edelbrocks state-of-the-art foundry. The oldest castings (used on the 1965 400 to 425-ci engines) have the letter A, and the latest big-block production castings have the letter J. The series ended there. For the best experience on our site, be sure to turn on Javascript in your browser. Mike is a great guy. CNC ported w/ 5 angle valve job. 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! Mild porting (further blending with addition of chambers) same volume and flow jumps to about 315 cfm. Stage II: $500 Suggested porting for most intakes. By continuing to use our site, you agree to their use. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. 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. Speedmaster cylinder heads feature as-cast ports in both alloy and cast iron and are designed for entry-level street/strip performance applications operating in the idle-to-6500 rpm range. We will safeguard your e-mail and only send content you request. NO WATER BY PORTS SO PORTING IS INFINITE. 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 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. Stage III: See below for pricing Complements any head porting for maximum horsepower. Whats The Reason Enthusiasts Cant Get, Full Factory Tour: How Edelbrock Makes Its Cast Aluminum, High-Performance Racing Fasteners: How ARP Fasteners Are, 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, Drag Pak Racer AJ Berge To Fly Iconic RAMCHARGERS Colors In 2023, 2003 Cobra Runs 8-Second Pass With Whipple, IRS, And A T-56, Moser Performance Girdles Add Rearend Strength To Your Third-Member, New Season Of Street Outlaws: Fastest in America Debuts March 13, Retro Injection: Modern Fuel Injector Tech Gives Us Room To Grow, How We Fixed The Unsightly Wheel Gap And Stance On Our 2010 Camaro, Lizzy Musi Preparing For Street Outlaws: No Prep Kings Season 6. 75 mm throttle body, A 90 mm mass, 24 or 30 lb injectors and a chip and tune after. For the best experience on our site, be sure to turn on Javascript in your browser. The after numbers look close to what everyone says these head flow, interesting. // Ported Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. 0000001331 00000 n 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. trailer << /Size 36 /Info 21 0 R /Root 24 0 R /Prev 1192120 /ID[] >> startxref 0 %%EOF 24 0 obj << /Type /Catalog /Pages 19 0 R /Metadata 20 0 R >> endobj 34 0 obj << /S 49 /Filter /FlateDecode /Length 35 0 R >> stream U The famed Mondello-Matsubara Blown Fuel Altered won two National Events in the 1960s. Continuing use of the site implies consent. As with any major engineering project, it wasnt so simple as just measuring the dimensions and transferring them over to a new casting. Okemos, MI 48864 PH: 616.499.6223 Contact Us! Cam is an old grind, smaller base circle 234/244 .520 .542. Necessary cookies are absolutely essential for the website to function properly. I only use these on cast-iron head engines. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us Our Cylinder Heads are built and assembled in-house at our facility in California. Stage III: See below for pricing complements any head porting for maximum horsepower. Head or block O-ringing: Starting at $250, Address: 1035 Front Royal Dr. Indianapolis, IN 46227. They require that the decks be flat and smooth. WebOffering top notch Aluminum Cylinder Head Porting and Cylinder Block Machining Services for High Performance Racing Engines by Race Engine Builder Steve Schmidt. Bolt on a set of Speedmaster's fully assembled cylinder heads for instant power gains. Not intended for street application. Joes worldwide clientele bears this axiom out; using Mondello heads & engines, they have set every type of record imaginable. Those Shelby Ford Cobras, 1st, 2nd, 3rd & 4th places respectively. porting and polishing of the inside of the intake manifold. Joe Mondello has set national records and won events over the years with both cars and boats. Olds Oldsmobile 1969 BareC Heads / 455 / XLNT! Includes full porting and polishing of the inside of the intake manifold. With a range of 77 cc to 46 cc, you should have a variety of compression ratios available for your simple mill job. This ensures that the valve free-drop and combustion-chamber depth is even. CNC HEADS ARE AVAILABLE FULLY CNC PORTED AT AN ADDITIONAL COST. 1979 2023 Speedmaster. ***CALL FOR PRICING DUE TO NATONAL SHORTAGE ON PARTS AND MATERIALS***CUSTOM - SPECIAL MACHINING or ENGINEERING BY QUOTE. We also do 1,2,3,4,6,10, and 12 cylinder engine head work. It is the same method used by 5,000+-hp NHRA Top Fuel cars. Most Olds folks seem to prefer theC heads for their added performance and better flow. Speedmaster Cylinder Head parts have been assembled with the finest premium components to provide your engine with optimal airflow for maximum engine performance. Joseph Mondello passed away in April of 2011, but he will always be known for designing, building and providing us all with the best high performance products money can buy. Some of the key features include: Speedmaster CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. WebSpecializing in Oldsmobile high performance 4509 Crichton Ln. H*-537S0 BK#s0k ] endstream endobj 27 0 obj 40 endobj 28 0 obj 361529 endobj 29 0 obj << /Type /XObject /Subtype /Image /Interpolate false /Filter /DCTDecode /Width 676 /Height 927 /BitsPerComponent 8 /ColorSpace /DeviceRGB /Length 28 0 R >> stream Cookie Policy. So, which heads are the best performers, and how can you spot them? Porting at Home by Michael Lufty, All Chevy Head Wizard Joe Mondello offers tricks of the trade. I have not found any considerable difference between the castings, with the exception of the J heads. Mondello Performance Products, Inc. 1103 Paso Robles Street Paso Robles, California 93446, Toll Free Order Line: 877-322-4489 (Ordering with part numbers only). 0000001469 00000 n Joe Mondello and Racing are synonymous with each other. Includes port matching. Rebuilding Your First Engine by Joe Mondello This is a six part article with step-by-step instructions. Horsepower Secrets by Chris Hemer, Musclecar Review How to make a stock-looking engine run like the wind. Copper head gaskets can be purchased from numerous suppliers such as Clark, Hussey, SCE, and Flatout Gaskets and should be ordered with a gasket-bore size .050-inch larger than your engine bore. 0000369682 00000 n WebOldsmobile Cylinder Head Porting larger image We can machine, install upgraded components and port your Oldsmobile cylinder heads. Research, compare, and save listings, or contact sellers directly from 160 Oldsmobile models in Rahway, NJ. The Oldsmobile factory-production small-block cylinder heads are identified by a number cast into the front lower portion of the head next to the number-1 and number-8 cylinders. BTR stocks the commonly used thicknesses, and they are available in .027-, .030-, .036-, .040-, .045-, .051-, .060-, .065-, .071-, .074-, and .120-inch sizes. The Sportsman Series offer high horsepower and excellent torque. You might need to go hotter or colder depending on your setup, but this is roughly equivalent to a R45S. Many variables will be included in your engines blueprinting process such as; type of camshaft, crankshaft, cylinder head porting and polishing, multi angle valve jobs, balancing, intake (port matching), pistons etc. This category only includes cookies that ensures basic functionalities and security features of the website. 32806 407-855-9559 rocketranch@msn.com. Valve Profiling: $50 Produces dramatic increases in low lift flow. A good option for ported heads. They are available for popular V8 engines. For the more serious street application, the SuperStreet Series boasts high quality intake and exhaust valves and valve springs suited for daily drivers and tough street machines. Known for giving you the optimal airflow combination for maximum engine performance. When a Top Fuel car uses a method other than this to seal combustion pressure, Ill try it. WebOldsmobile Cylinder Head Porting larger image We can machine, install upgraded components and port your Oldsmobile cylinder heads. The most desirable small-block Olds cylinder heads are the number-6 and number-7 castings. In the 60s & 70s, this was the fastest wedge-head Chevrolet, running a 7.24 E.T. Dont stress out over the finish; just leave no rough cuts. Hb``d``Z @KrB10Z&00040Dscc` '00 endstream endobj 35 0 obj 69 endobj 25 0 obj << /Type /Page /Parent 19 0 R /MediaBox [ 0 0 676 927 ] /Resources << /XObject << /Im0 29 0 R >> /ProcSet [ /PDF /ImageC ] >> /Contents 26 0 R /PieceInfo << /AdobePhotoshop << /LastModified (D:20120817155034-08'00')/Private << /RoundTrip 1 /ExportCrispy false /SaveTransparency false /ImageResources 30 0 R /XObject << /Im0 29 0 R >> /StandardImageFileData 31 0 R >> >> >> /LastModified (D:20120817155034-08'00') /CropBox [ 0 0 676 927 ] /Rotate 0 >> endobj 26 0 obj << /Filter /FlateDecode /Length 27 0 R >> stream I have had various issues with them. Just choose your level of performance. For instructions on how to enable cookies, please see the help section of your browser. Quality is assured with 40 years experience in the Differential Industry and full involvement in all forms of motorsport from V8 SUPERCAR To Group 1 Drag Racing. Virtually every set of Procomps I sell/install get 2.125 intakes because the bowls are more conducive to that valve size. You must choose UPS Ground to help ensure your order arrives before Christmas. CUSTOM ENGINEERED GUIDEPLATES FOR THE ABSOLUTE BEST ALIGNMENT. THESE HEADS WILL HAVE 2.190 INTAKE AND 1.72 EXHAUST VALVES. hump in the exhaust port, clean up of the bowl area behind the valve seat, and tear Joes first car was a 40 Ford coupe with a 303 c.i.d. The Mondellos showed they could excel on the water as well as the dragstrip. But I have not had a failure with these gaskets on cast-iron cylinder-head engines. Bulletproof Big Blocks by Chris Hemer, Popular Hot Rodding If your 455 Olds needs a booster shot, then its time to call The Doctor. Available with 2 different programs, stock valve or our big valve race version. 0000000853 00000 n Includes fully ported exhaust, bowl ported and port matched intake, and profiling of the combustion chambers. Race Recondition: $350 Complete recondition of cylinder heads with a Serdi cut valve job, surface mill, cleaning, inspection, re-assembly and new valve seals installed. Back when I ran the NHRA Stock Eliminator W-30 engine, I used the factory .017-inch embossed steel shim head gasket. When you remove a cylinder head torqued up with a copper head gasket, you literally have to pry the gasket off the block because the soft copper embeds into the receiver grooves, which is what seals the combustion pressure. You have a direct, line of sight to the valve on both the intake and exhaust side. They are a clean sheet of paper design. napier 948 243 1 Jan 22, 2020 #3 nice looking ride. Rocker arms and other supplemental parts increase the price as well. Feel free to contact us for any custom quotes. Theres enough material in and around the deck to handle that kind of power, he explains. The cylinder head works by allowing the air-fuel mixture to enter one valve and the exhaust gas to exit the other. ROLLER CAMSHAFT ..Call for pricing, SOLID ROLLER CAMSHAFT Call for pricing, CNC PORTED CYLINDER HEADSCall for pricing. Pro Sportsman Porting Work- Call for Pricing! Olds Oldsmobile 1969 BareC Heads / 455 / XLNT! Heads Shop is located at 4101 Bergen Turnpike in North Bergen, New Jersey 07047. This website uses cookies to improve your experience while you navigate through the website. Installing these larger valves should be standard procedure, even for stock rebuilds. When performing the O-ring and receiver-groove operation, location of the O-ring and receiver groove is absolutely important. In my experience, it seems that the rest of the factory cast-iron cylinder heads (A through H) are close enough in runner shape and size so that it does not really matter which one you select for your high-performance Oldsmobile project, especially if you are porting them. Traco Engineering, known at the time for extremely fast Indy cars and various sprint cars, utilized Mondello heads exclusively. All rights reserved. The heads are offered in four different configurations, from a basic CNC-chamber, CNC intake/exhaust port design that flows 340 cfm on the companys Superflow SF600 flowbench all the way up to the big-dog 400-plus cfm max-effort cylinder head designed for all-out racing applications. WebPro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. 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. I have seen many engines use these in very-high-horsepower turbo and blower applications with varying degrees of success. WebStage II: $500 Suggested porting for most intakes. With the right seat cutters, the bowl is larger and the bowl shape allows a better transition for the air/fuel mixture to exit the valve, thus increasing available horsepower.