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. Once JavaScript is enabled please refresh the current page. All of the small-block combustion chambers have roughly the same shape, but vary in volume. 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 thats modern. Extremely aggressive , suited for next level all-out competition. Most Olds folks seem to prefer theC heads for their added performance and better flow. Fully cnc'd. When a Top Fuel car uses a method other than this to seal combustion pressure, Ill try it. 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. I've blown my wallet on e-brocks in the past, so we'll see if I'm disappointed this summer. In 1951, Joe was racing at airports and drag strips throughout Southern California. 1 ROCKET Churn out all the asphalt-chewing, road-grating horsepower you want with our massive selection of rotating assemblies! Of all the factory iron heads I have played with, I have found the A heads to be the best in stock form. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us Includes port matching. I plan on finding a GT-40 upper and lower intake. For the best experience on our site, be sure to turn on Javascript in your browser. All rights reserved. The deck thickness and stiffness required on the cylinder heads has to be determined according to the amount of horsepower the engine can produce. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us THESE ARE THE ABSOLUTE BEST PRODUCTION AND TRACK PROVEN CYLINDER HEADS AND INTAKE YET FOR OLDSMOBILES. 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. 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. JFIF H H Adobe d@ WebCompetition Components 4406 Van Atta Rd. // Ported. Stage I PM: $300 Our "street" port job - a minimum recommended porting stage. Porting GT40P heads When BTR performs this operation, the O-ring and receiver grooves are located off of the cylinder head and block dowel pins, and are machined on a Cincinnati CNC machine, which makes it easy to get perfect. ALONG WITH DUCTILE IRON SEATS THAT ARE COMPATIBLE WITH TITANIUM VALVES. Bernard Mondello, Joes son, grew up surrounded by the richest heritage in drag racing history. cool, thanks for sharing. Necessary cookies are absolutely essential for the website to function properly. I have seen very slight water seepage on engines using aluminum heads. 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. I had those sitting here, and took a look at the chamber design and the shape. 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. Installing these larger valves should be standard procedure, even for stock rebuilds. WebWhile your engine is apart we will make suggestions on increasing horsepower and torque. Rocker arms and other supplemental parts increase the price as well. 7/16"CAN BE USED WITH NO ISSUES AND DRILLED FOR 3/8" PUSHRODS. 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 Giant Killer by Chris Hemer, Popular Hot Rodding Bigger isnt always better and Mondellos 307 Olds proves the point. RRP ROCKER STUD GIRDLES ARE AVAILABLE FOR ROCKET RACING CYLINDER HEADS. 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. I have reused them multiple times by carefully cleaning them and applying a very light layer of silicone over the entire gasket. 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. 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. You do. 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 Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. As with any major engineering project, it wasnt so simple as just measuring the dimensions and transferring them over to a new casting. This factory iron big-block A cylinder head has the largest ports I have seen. Known for giving you the optimal airflow combination for maximum engine performance. Burning fossil fuels for energy rel, Estlers Mortgage Lifter: An Heirloom Tomato Variety Perfect for Home Gardeners, Gardening is an enjoyable and rewarding hobby that many people enjoy. Heads Shop is located at 4101 Bergen Turnpike in North Bergen, New Jersey 07047. Includes full porting and polishing of the inside of the intake manifold. Your One Stop Shop For Olds Performance Products. A The phone number for Heads Shop is: (201) 223-2300. 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. For instructions on how to enable JavaScript, please see the help section of your browser. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. Standard full port goes about 250cc and flows over 340 cfm. Authorized dealer for all Holley products, Comp, Erson, Lunati cams, Mahle and RaceTec pistons. These guys have alot of experience and helpful and cheap, Nirmal is a good guy with alit of experience, Worst experience nasty attitude doesn't take responsibility he has had my motor for 8 months for 30 over bore hot tank and flycutting pistons had to return motor 3 times found metal shavings in motor motor was dirty and stay away from nirmal stay away. Virtually every set of Procomps I sell/install get 2.125 intakes because the bowls are more conducive to that valve size. If its a 383 stroker, you can probably go with 200cc intake runners. Edelbrock vs stock C iron heads Valve covers, fuel-injection-capable 4bbl-style intake manifolds, and other parts to install the cylinder heads are also available. These cookies do not store any personal information. Oldsmobile 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. They are available in .028 and .040 thicknesses. 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". 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. From there, Oldsmobile engineers took their shot at creating the best possible drag race head, and introduced the Oldsmobile Pro Stock head (PN 24502585). WebStage II: $500 Suggested porting for most intakes. SpeedmasterTM cylinder heads offer improved power throughout the rpm range for greater throttle response and top-end horsepower. Stage I BP: $300 Our "street" port job - a minimum recommended porting stage. ROLLER CAMSHAFT ..Call for pricing, SOLID ROLLER CAMSHAFT Call for pricing, CNC PORTED CYLINDER HEADSCall for pricing. Notice the shape of the port under the intake seat. Wise Performance Engineering's Oldsmobile Stage III: See below for pricing Complements any head porting for maximum horsepower. Cookies are disabled. SPRINGS,LOCKS, RETAINERS, STUDS,GUIDEPLATES, AND VALVES. Sure as heck not going to put that kind of money into my gravity laden iron turd heads. They worked like a charm. Stage III: $850 Our "strip" port job - the best bang for the buck. The first step is to understand the causes of climate change and how we can reduce our impact on the environment. Peppers take longer than tomatoes to get going, so start them first. They prefer warmer temperatures and drier, Take Action Now: How You Can Fight Climate Change and Protect Our Environment, The Effects of Climate Change on Our Environment Pricing is for traditional V-8 cylinder head pairs. Not intended for street application. s !1AQa"q2B#R3b$r%C4Scs5D'6Tdt& Milling cylinder heads for increased compression is a relatively easy operation because Oldsmobile cylinder heads are square and can easily be cut without any special fixturing. To provide a better shopping experience, our website uses cookies. In order to shop on this Web store, you must have cookies enabled. So remember: J is for junk. Includes full Intake and 1.680 in. CNC Ported heads eliminate human error and variation from port to port. Project Murderous Overkill by Christian Hazel, JP Magazine The Mondello Monster. The most popular for street applications are: the FelPro PN 8171 PT1; the FelPro PN 1155; and the Corteco PN 55660HG in .040-inch-thick and PN 55661HG in .028-inch-thick versions. In the 1960s, Joe also worked part time for Carroll Shelby building the performance heads and engines that won the Le Mans Grand Prix. Stock-type steel big-block Oldsmobile valves are available through SBI and other sources and are relatively inexpensive. 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). They require that the decks be flat and smooth. as well as profiling of the combustion chambers. Back when I ran the NHRA Stock Eliminator W-30 engine, I used the factory .017-inch embossed steel shim head gasket. 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. We use cookies to provide you with the best possible user experience. The E castings are smaller than the others, but only by a few cubic centimeters. 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. %PDF-1.3 % Description Just bolt on a set of complete heads for instant power - cos we've done all the hard work for you! Wow the before the bowl work they are far from impressive. With a range of 77 cc to 46 cc, you should have a variety of compression ratios available for your simple mill job. Olds Oldsmobile 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 Mondello Performance Products, Inc. 1103 Paso Robles Street Paso Robles, California 93446, Toll Free Order Line: 877-322-4489 (Ordering with part numbers only). The famed Mondello-Matsubara Blown Fuel Altered won two National Events in the 1960s. The Other 350s: Oldsmobile by Marlan Davis, Car Craft The Olds 350s design specs offer ample performance potential. This creates additional horsepower and torque. We use cookies to provide you with the best possible user experience. WebOldsmobile factory-production big-block cylinder heads are identified by a letter cast into the front lower portion of the head on the number-1 and number-8 cylinders. Some manifolds may not have enough material and runner volume to match, but the Edelbrock Victor (PN 2812) does. We also use third-party cookies that help us analyze and understand how you use this website. Today, Chevrolet performance cylinder heads still utilize the identical combustion chamber, which Joe designed in the early 1960s known as the Posi-Flow chamber. The factory iron small-block cylinder head has some very small intake ports and is very plain to see. Trust me, when the job is done properly, there arent any sealing issues in the highest-horsepower applications. 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. This car is called the Hefty HEMI and will compete in the NMCA - Nostalgia Super Stock class! WebOldsmobile Cylinder Head Porting larger image We can machine, install upgraded components and port your Oldsmobile cylinder heads. hump in the exhaust port, clean up of the bowl area behind the valve seat, and tear This happens either because the combustion seal is compromised or the head does not sit flat due to improper machining. They are a clean sheet of paper design. 1 PAIR OF ROCKET RACING CYLINDER HEADS. Competition valve job: $200 A must for improved flow. JavaScript is disabled. Pro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. CNC finish faces and bolt holes for extreme accuracy, T6 heat treated gravity die cast construction (alloy heads only), OEM accessory bolt patters for simply compatibility, Plenty of material for upgrading to larger HP applications, Machined for screw in studs and guide plates, Flame hardened valve seats for use with all fuel, High Performance Street & Light Racing Application, Lightweight Valve Springs for maximum lift, High Perofrmance Chrysler 426 & 572 HEMI engines. Standard valve sizes are 2.072 in. FLAT TAPPET OR HYD. From extreme weather events such as droughts, floods, and wildfires to the melting of polar ice caps and rising sea levels, it's clear that our planet is in trouble. Even at that small 46-cc level, the cylinder head seemed to have adequate deck thickness for the 640 hp that the particular engine produced. The EX port is really good. WebSpecializing in Oldsmobile high performance 4509 Crichton Ln. You also have the option to opt-out of these cookies. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. Mike is a great guy. The heads are making really good power. So, which heads are the best performers, and how can you spot them? Theres enough material in and around the deck to handle that kind of power, he explains. Plus, you can turn up the horsepower even more by choosing heads with CNC-ported runners and chambers, CNC-profiled chambers and other enhancements. ***CALL FOR PRICING DUE TO NATONAL SHORTAGE ON PARTS AND MATERIALS***CUSTOM - SPECIAL MACHINING or ENGINEERING BY QUOTE. Always remember, at Mondellos you get what you pay for: Horsepower, not promises. Orlando Fl. They definitely have the smallest runners of the bunch, and are a poor choice for performance use, even with porting. The obsolete factory Oldsmobile big-block .017-inch-thick steel shim gasket worked very well in my 11:1-compression NHRA Stock Eliminator engine. 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. Golden Rules of Porting Cylinder Heads - Part Estler's Mortgage Lifter tomato is one of the most popular heirloom varieties that is perfect for home gardeners. These heads solve all of those problems, Wise explains. 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. Olds ALL ROCKET RACING CYLINDER HEADS ARE BUILT PER CUSTOMER APPLICATION.PLEASE CALL TO ORDER. Competition-ready heads feature fully CNC machined combustion chambers and blended seats for increased air flow and well as revised exhaust valve angles for larger intake valves. Once cookies are enabled please refresh the current page. Makes buying a bare set less tempting. 0000000853 00000 n If you want a free port job on your small-block Olds heads, put the die grinder down. Copyright 1999-2023 SteveSchmidtRacing.com. JavaScript seems to be disabled in your browser. The Stage 1 head is fully CNC-machined and is delivered with 5/16-inch bronze valve guides and iron seats. Stage V Competition: Standard valve angle, conventional style heads, Stage V Ultra-Competition: altered valve angle, competition style heads. Just choose your level of performance. Web440 Olds Stroker Small Block Photos by Chris Hemer, Popular Hot Rodding The strong arm solution for weak-kneed 350s. Unsung Hero by Scott Parkhurst, Popular Hot Rodding The 403 Olds may be the most overlooked performance engine ever. napier 948 243 1 Jan 22, 2020 #3 nice looking ride. 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. A good option for ported heads. Knowton's Thunderheads & Racing Engines || KTREstore.com Rebuilding Your First Engine by Joe Mondello This is a six part article with step-by-step instructions. Head or block O-ringing: Starting at $250, Address: 1035 Front Royal Dr. Indianapolis, IN 46227. Get Heads Shop reviews, rating, hours, phone number, directions and more. Stage III: See below for pricing complements any head porting for maximum horsepower. 440 Olds Stroker Small Block Photos by Chris Hemer, Popular Hot Rodding The strong arm solution for weak-kneed 350s. 0000001331 00000 n These specially designed heads are unported and feature extra-thick decks, under-sized intake and exhaust runners, and increased wall thickness that allow professional head porters and engine builders to perform custom CNC porting and other modifications. to grow your business. 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. 365-385 ports. COMING SOON IS THE ROCKET RACING TUNNEL RAM FOR OUR RRP HEADS!!! When were done they flow just a bit better than your best numbers and work really well. 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. Edelbrocks Pro-Port Raw Cylinder Heads are purpose-engineered castings for custom racing engines. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. Machine Shop THIS IS JUST A SAMPLING OF THE MANY FEATURES THESE HEADS HAVE. That gasket performed very well at 11:1 compression and I never had a gasket failure. When they do fail in these applications, it usually ruins something like the block or the cylinder head. Edelbrock Aluminum Cylinder Heads are ready to bolt on and go right out of the box. 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. Stage I: $300 Complements any of the above mentioned port jobs. WebAll Speedmaster 18deg. WebOffering top notch Aluminum Cylinder Head Porting and Cylinder Block Machining Services for High Performance Racing Engines by Race Engine Builder Steve Schmidt. Sweet, Growing Peppers in Your Garden: Tips, Hardening Off and Soil Mix, Growing peppers is a great way to spice up your garden. We had T&D design the rocker system for these. Includes port matching and blending of the plenum and its dividers. Includes port matching and blending of the plenum and its dividers. For the racing weve done, there is no cylinder head out there that was worth anything, he explains. 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. 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. This ensures that the valve free-drop and combustion-chamber depth is even. The super-thick deck is not an illusion Wise says these are 1.125-inch thick. Combustion Chamber, Exhaust and Intake Ports all fully CNC machined for better flow. All rights reserved. To learn more, view our, For the ultimate in performance, our E-CNC cylinder heads are the answer. For the ultimate in Street Performance, look no further than the Outlaw Series. COMPLETE READY TO BOLT ON. Available with 2 different programs, stock valve or our big valve race version. 2023 CarTechBooks. The Sportsman Series offer high horsepower and excellent torque. Cam is an old grind, smaller base circle 234/244 .520 .542. I have seen many engines use these in very-high-horsepower turbo and blower applications with varying degrees of success. Contact us for your application and pricing. Another method of blocking the exhaust crossover is to machine a pocket on the intake side and press fit or silicone a piece of metal in there. The combustion chamber in the WPE Z head mimics the design of the SB2, as do the exhaust ports. But what can we do to help? so, these are Pro Comps that got cleaned up a little? Our race prepped heads use a 2.19 intake valve and are 244 cc runner. 0.027" cometics, should be roughly 9.6-1. The head has 1.125-inch decks, so were able to handle 2,000 horsepower blown and turbocharged combinations without any issues of the deck moving around. 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. Includes the bowls, port match, and profiling of the combustion chambers. Oldsmobile 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. In order to shop on this Web store, you must have JavaScript enabled. 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. 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. They include almost everything you need to make serious horsepower. Very happy with the power made on the dyno with the Edelbrock Carbs. Exhaust. Tomato enthusiasts have long debated the merits of determinate versus indeterminate varieties. Horsepower Secrets by Chris Hemer, Musclecar Review How to make a stock-looking engine run like the wind. Corteco makes some high-quality gaskets. 0000000833 00000 n Until then, my serious engines are sealed by this method. 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. I personally prefer the gaskets from Flatout; they are made to order with any bore size and configuration, and are made and shipped within a few days. SPRINGS,LOCKS, RETAINERS, STUDS,GUIDEPLATES, AND VALVES. Hopefully somewhat impressive or at least an improvement over the small valve heads I pulled off. 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. NO WATER BY PORTS SO PORTING IS INFINITE. Climate change is one of the most pressing issues of our time, and its effects can be seen all around us. Those Shelby Ford Cobras, 1st, 2nd, 3rd & 4th places respectively. Operating within the idle-5500 rpm range - they fit the bill perfectly. Good middle of the road plug, not too expensive, high quality, regularly stocked everywhere. WebHeads Shop at 4101 Bergen Turnpike, North Bergen, NJ 07047. Bulldog porting and polishing of the inside of the intake manifold. DRILLED FOR 1/2" HEAD STUDS. Oldsmobile Performer RPM Cylinder Heads for While many gardeners prefer the reliable production and compact size of determinates, others are drawn to the larger fruits and greater yields of indeterminates. We will safeguard your e-mail and only send content you request. All of the great drag race cars ran with Mondello. v*UWb]v*U??~Z }e{XWU=_PF*+m (.__Z =j:S{O*>})Hu{Gl;bwyl8W8? Most Olds folks seem to prefer theC heads for their added performance and better flow. Includes port match. These castings are undesirable for performance use. As well as port matching. And if the photos hes 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. By continuing to use our site, you agree to their use. I dont know whether the power levels just happened to be greater on the aluminum-headed engine, making that the ultimate cause of failure, or the fact that the heads were made of aluminum. Oldsmobile We'll be back on Monday, January 3. 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.
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