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. Description Edelbrock recommends a Champion plug in their info for the head. 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 // Ported Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. 403 Olds Engine Building by Cam Benty, Popular Hot Rodding More tips on a 403 buildup. The deck thickness and stiffness required on the cylinder heads has to be determined according to the amount of horsepower the engine can produce. Just choose your level of performance. I have seen very slight water seepage on engines using aluminum heads. 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. When they do fail in these applications, it usually ruins something like the block or the cylinder head. You have a direct, line of sight to the valve on both the intake and exhaust side. These castings are undesirable for performance use. When it comes to yellow tomatoes, Carolina Gold is a popular determinate variety. Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. 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. Project Murderous Overkill by Christian Hazel, JP Magazine The Mondello Monster. 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. Giant Killer by Chris Hemer, Popular Hot Rodding Bigger isnt always better and Mondellos 307 Olds proves the point. From there, Oldsmobile engineers took their shot at creating the best possible drag race head, and introduced the Oldsmobile Pro Stock head (PN 24502585). These heads were a good bang for the buck with room to grow vs the cam that I am running. Made from the finest material, with total in-house manufacturing in our ISO-9001 certified California-based facilities. Speedmaster Cylinder Head parts have been assembled with the finest premium components to provide your engine with optimal airflow for maximum engine performance. Includes full porting and polishing of the inside of the intake manifold. 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. Rebuilding Your First Engine by Joe Mondello This is a six part article with step-by-step instructions. We deliver reliable horsepower, torque and drivability. They must line up perfectly to each other. Continuing use of the site implies consent. 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. For the best experience on our site, be sure to turn on Javascript in your browser. Heads are ready to bolt on right out of the box, Made from high quality components, built to last and assembled in our California facility. For those racers looking for a head with 500+hp potential, this is it! Get Heads Shop can be contacted at (201) 223-2300. We use only quality name brand parts that we trust giving our customers a superior product for their money. dual-quad big block Chevrolet. A street port job will open things up nicely. ALL ROCKET RACING CYLINDER HEADS ARE BUILT PER CUSTOMER APPLICATION.PLEASE CALL TO ORDER. They are a clean sheet of paper design. 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. These heads are capable of over 400 cfm airflow. 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. cool, thanks for sharing. I wouldnt say these gaskets are the best choice for aluminum heads. These gaskets basically consist of two layers of embossed hardened steel and a shim of desired thickness between. Standard valve sizes are 2.072 in. Copyright 1995-2023 Rocket Racing & Performance LLC. 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. But opting out of some of these cookies may have an effect on your browsing experience. Research, compare, and save listings, or contact sellers directly from 160 Oldsmobile models in Rahway, NJ. Edelbrock Aluminum Cylinder Heads are ready to bolt on and go right out of the box. Complete w/ Brodix Severe Duty 2.375 2 Brodix Race Rite 365 -385RRX square port complete heads. Seen here are two angles of the intake port. This category only includes cookies that ensures basic functionalities and security features of the website. They already have induction hardened seats and flow almost as good as C's. THESE HEADS WILL HAVE 2.190 INTAKE AND 1.72 EXHAUST VALVES. Trust me, when the job is done properly, there arent any sealing issues in the highest-horsepower applications. Dont ever let anyone tell you that you dont need a receiver groove in these copper head gasket/O-ring applications. Authorized dealer for all Holley products, Comp, Erson, Lunati cams, Mahle and RaceTec pistons. These cookies will be stored in your browser only with your consent. @ 213 mph at the 1969 Indy U.S. Nationals. 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. Stage I PM: $300 Our "street" port job - a minimum recommended porting stage. 0000000680 00000 n Joe Mondello and Racing are synonymous with each other. 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. Known for giving you the optimal airflow combination for maximum engine performance. This essentially blends all of the casting in the head for improved flow. Our office will be closed December 31. For the ultimate in Street Performance, look no further than the Outlaw Series. Newer Post . Pricing is for traditional V-8 cylinder head pairs. Valve Profiling: $50 Produces dramatic increases in low lift flow. Corteco makes some high-quality gaskets. porting and polishing of the inside of the intake manifold. The T&D shaft-rocker system was developed specifically for this cylinder head configuration. 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. The ultimate setup in cylinder sealing is the copper head gasket with a stainless O-ring embedded into the cylinder head, with a corresponding receiver groove machined in the block. 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. We will safeguard your e-mail and only send content you request. WebOldsmobile Cylinder Head Porting larger image We can machine, install upgraded components and port your Oldsmobile cylinder heads. The debate is further complicated by the fact that some tomato varieties can be either determinate or indeterminate depending on their growing conditions. You must choose UPS Ground to help ensure your order arrives before Christmas. Web2- New Casting the 370 are factory ported cast from a 375X port this is a 2 new BB/C Pro Filer 385X racing heads. THIS IS JUST A SAMPLING OF THE MANY FEATURES THESE HEADS HAVE. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us All of the great drag race cars ran with Mondello. 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. 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 Unsung Hero by Scott Parkhurst, Popular Hot Rodding The 403 Olds may be the most overlooked performance engine ever. 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. Those Shelby Ford Cobras, 1st, 2nd, 3rd & 4th places respectively. These gaskets are pretty much available in any thickness and bore size when you custom-order them. The 2 columns are a before and after bowl porting/blending. USES OLDSMOBILE HARLAND SHARP ROCKERS OR COMPARABLE. 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. Sure as heck not going to put that kind of money into my gravity laden iron turd heads. Includes fully ported exhaust, bowl ported and port matched intake, and profiling of the combustion chambers. All Steel Roller-Tip Adjustable Rocker Arm Systems, All Steel Roller-Tip Adjustable Rocker Arm Systems (Cast Iron Applications), Non-Roller Adjustable Rocker Systems (Cast Iron Applications). By continuing to use our site, you agree to their use. When a Top Fuel car uses a method other than this to seal combustion pressure, Ill try it. &6E'dtU7()euFVfvGWgw8HXhx9IYiy*:JZjz ? As with any major engineering project, it wasnt so simple as just measuring the dimensions and transferring them over to a new casting. We also do 1,2,3,4,6,10, and 12 cylinder engine head work. 365-385 ports. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us We use cookies to provide you with the best possible user experience. 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. Stage II: $550 Our "street/strip" port job - for those on a budget. All rights reserved. In the 60s & 70s, this was the fastest wedge-head Chevrolet, running a 7.24 E.T. All of the small-block combustion chambers have roughly the same shape, but vary in volume. Includes a multi-angle or radius Serdi cut valve job on both heads (seat cutting only). It'll pass anything except a gas station :-). There is a spacer system to make everything work with a big-block Olds. Oldsmobile Top End Kits; Oldsmobile Aluminum heads; Oldsmobile Intake and fuel systems; Oldsmobile rotating systems; Camshafts and lifter sets; Oldsmobile roller rockers and pushrods; 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. 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. 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 have seen many engines use these in very-high-horsepower turbo and blower applications with varying degrees of success. Stage V Competition: Standard valve angle, conventional style heads, Stage V Ultra-Competition: altered valve angle, competition style heads. JavaScript is disabled. All Rights Reserved. As well as port matching. Joes first car was a 40 Ford coupe with a 303 c.i.d. Oldsmobile heads are available with OEM sparkplug location. I plan on finding a GT-40 upper and lower intake. These Hurst Olds D heads are some of the rarest Olds heads. This car is called the Hefty HEMI and will compete in the NMCA - Nostalgia Super Stock class! A The phone number for Heads Shop is: (201) 223-2300. napier 948 243 1 Jan 22, 2020 #3 nice looking ride. WebSpeedmaster CNC ported cylinder heads are machined on dedicated 4-axis and 5-axis CNC machining centers to ensure accuracy and cost effectiveness. The Oldsmobile V-8 engine is not dead, says engine builder Brad Wise of Wise Performance Engineering. The Sportsman Series offer high horsepower and excellent torque. Bulletproof Big Blocks by Chris Hemer, Popular Hot Rodding If your 455 Olds needs a booster shot, then its time to call The Doctor. For instructions on how to enable JavaScript, please see the help section of your browser. Today, Chevrolet performance cylinder heads still utilize the identical combustion chamber, which Joe designed in the early 1960s known as the Posi-Flow chamber. This modification is easily performed during the valve-job operation and turns an old, rusty, worn-out cylinder head with pitted seats into a set that is in brand-new condition. 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. To learn more, view our, For the ultimate in performance, our E-CNC cylinder heads are the answer. First of all, I'm just a homegamer in the Oldsmobile cylinder head department. This factory iron big-block A cylinder head has the largest ports I have seen. 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. 0000001331 00000 n Stage IV: $1000 Our "hot rod" port job- for nitrous and forced induction applications. I have milled factory iron, Batten, and Edelbrock Performer RPM heads as much as .100 inch for certain applications. Copyright 1999-2023 SteveSchmidtRacing.com. Our race prepped heads use a 2.19 intake valve and are 244 cc runner. Jiffy peat pellets are a popular choice for starting tomatoes, but they can also be used for peppers. COMING SOON IS THE ROCKET RACING TUNNEL RAM FOR OUR RRP HEADS!!! 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. Exhaust. Heads come with 5 angle valve job. So, which heads are the best performers, and how can you spot them? Reusing this cam for this year. 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. Includes bowl port. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. In those days, the shops clientele read like a Whos Who of drag racing greats. 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. Putting a higher flow head with 220cc runners on a relatively stock 350 would be going in the wrong direction. Most Olds folks seem to prefer theC heads for their added performance and better flow. EACH SET OF HEADS IS BUILT TO YOUR SPECIFIC ENGINE. The combustion chamber in the WPE Z head mimics the design of the SB2, as do the exhaust ports. Older Post If you get a set of roller rockers that don't require any machine work to install, you can put them on This creates additional horsepower and torque. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. Speedmaster has taken the guesswork out of top-end component selection by actually placing the top end components together in complete kits. 2023 CarTechBooks. Includes bowls and intake opening port match. Theres enough material in and around the deck to handle that kind of power, he explains. Big race port is 300cc and hits 390 cfm. This happens either because the combustion seal is compromised or the head does not sit flat due to improper machining. Bolt on a set of fully assembled heads for instant power gains! Of all the factory iron heads I have played with, I have found the A heads to be the best in stock form. Bolt on a set of Speedmaster's fully assembled cylinder heads for instant power gains. THIS PACKAGE INCLUDES: 1 PAIR OF ROCKET RACING CYLINDER HEADS. 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. Notice the shape of the port under the intake seat. CNC Ported heads eliminate human error and variation from port to port. Tomato enthusiasts have long debated the merits of determinate versus indeterminate varieties. Good middle of the road plug, not too expensive, high quality, regularly stocked everywhere. I have seen many heads that have been milled unevenly, which throws everything off. Operating within the idle-5500 rpm range - they fit the bill perfectly. Our Cylinder Heads are built and assembled in-house at our facility in California. When performing the O-ring and receiver-groove operation, location of the O-ring and receiver groove is absolutely important. They feature double-pinned rotors (timed and clearanced after assembly), heavy duty front and rear bearing plates, and an intake manifold. 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. Cam is an old grind, smaller base circle 234/244 .520 .542. 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. 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. %PDF-1.3 % WebAll Speedmaster 18deg. 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 Valve profiling and flow sheet included. THESE ARE THE ABSOLUTE BEST PRODUCTION AND TRACK PROVEN CYLINDER HEADS AND INTAKE YET FOR OLDSMOBILES. Intake and 1.680 in. Flow testing: $100 Flow testing of one intake and exhaust - performed on our custom built bench at 28" of depression with flow sheet provided. Traco Engineering, known at the time for extremely fast Indy cars and various sprint cars, utilized Mondello heads exclusively. 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. Just bolt on a set of complete heads for instant power - cos we've done all the hard work for you! Most Olds folks seem to prefer theC heads for their added performance and better flow. WebEdelbrock Oldsmobile Heads. CFM Performance Copyright 2023 - All Rights Reserved. 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. Extremely aggressive , suited for next level all-out competition. 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. 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. TORRANCE, CA Edelbrock has heard the requests from the Oldsmobile faithful and is responding by releasing a new and improved Performer RPM Cylinder Head for the Big Block Oldsmobile V8. Performance ranges from an emissions-legal street-oriented bolt-on for daily drivers to a full-on race casting for serious competition. For instructions on how to enable cookies, please see the help section of your browser. 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! FULL RADIUS CNC 75 CC CHAMBER TO PROMOTE COMPLETE COMBUSTION, STOCK APPEARING BOLT BOSES FOR ALTERNATORS, ETC. This design allows you to select a wide array of thicknesses for the application. 1 PAIR OF ROCKET RACING CYLINDER HEADS. Your One Stop Shop For Olds Performance Products. Stage III: See below for pricing Complements any head porting for maximum horsepower. 75 mm throttle body, A 90 mm mass, 24 or 30 lb injectors and a chip and tune after. Includes port matching and blending of the plenum and its dividers. The 1972 W-30 H heads are probably the rarest; the 1970 W-30 F heads are not quite as rare. As well as port matching. They worked like a charm. 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. Our EFI systems provide excellent throttle response throughout the RPM range along with smooth engine operation.
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