These gaskets are pretty much available in any thickness and bore size when you custom-order them. 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. 365-385 ports. 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. JavaScript is disabled. Multi-layer steel gaskets made by Cometic are the ultimate in combustion sealing. I dont really know, but when I have an issue with something, I dont use that product again. If its a 383 stroker, you can probably go with 200cc intake runners. 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. SPRINGS,LOCKS, RETAINERS, STUDS,GUIDEPLATES, AND VALVES. 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. 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. They are a clean sheet of paper design. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. Today, Chevrolet performance cylinder heads still utilize the identical combustion chamber, which Joe designed in the early 1960s known as the Posi-Flow chamber. 0000001493 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. One such individual is Brad Wise of Wise Performance Engineering. This new head features a modern 77cc combustion chamber, new larger 2.150 intake valve and updated ports for improved flow This happens either because the combustion seal is compromised or the head does not sit flat due to improper machining. Pro Sportsman Porting Work- Call for Pricing! 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. Stage III: See below for pricing Complements any head porting for maximum horsepower. Stage I PM: $300 Our "street" port job - a minimum recommended porting stage. 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. Giant Killer by Chris Hemer, Popular Hot Rodding Bigger isnt always better and Mondellos 307 Olds proves the point. Churn out all the asphalt-chewing, road-grating horsepower you want with our massive selection of rotating assemblies! Copyright 1999-2023 SteveSchmidtRacing.com. 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. Valve covers, fuel-injection-capable 4bbl-style intake manifolds, and other parts to install the cylinder heads are also available. Heads come with 5 angle valve job. 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. My #6 heads probably flow close to the first numbers. 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. That gasket performed very well at 11:1 compression and I never had a gasket failure. 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. Authorized dealer for all Holley products, Comp, Erson, Lunati cams, Mahle and RaceTec pistons. Very happy with the power made on the dyno with the Edelbrock Carbs. 0000001469 00000 n Big race port is 300cc and hits 390 cfm. Sure as heck not going to put that kind of money into my gravity laden iron turd heads. Factory trained on AEM and Holley EFI systems. 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. Speedmaster line of EFI systems is all you need when deciding to upgrade your engine to modern electronic fuel injection. Stage V Competition: Standard valve angle, conventional style heads, Stage V Ultra-Competition: altered valve angle, competition style heads. I have seen very slight water seepage on engines using aluminum heads. The oldest castings have a lower number and the latest production castings have a higher number. WebOLDSMOBILE ALUMINUM HEADS 330,350,403,400,425,455. Older Post Once cookies are enabled please refresh the current page. @ 213 mph at the 1969 Indy U.S. Nationals. 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. Pro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. In those days, the shops clientele read like a Whos Who of drag racing greats. 23 0 obj << /Linearized 1 /O 25 /H [ 680 173 ] /L 1192708 /E 370195 /N 3 /T 1192130 >> endobj xref 23 13 0000000016 00000 n For the best experience on our site, be sure to turn on Javascript in your browser. You have a direct, line of sight to the valve on both the intake and exhaust side. Includes full porting and polishing of the inside of the intake manifold. These heads were a good bang for the buck with room to grow vs the cam that I am running. 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. The obsolete factory Oldsmobile big-block .017-inch-thick steel shim gasket worked very well in my 11:1-compression NHRA Stock Eliminator engine. 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. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us In the 1960s, Joe also worked part time for Carroll Shelby building the performance heads and engines that won the Le Mans Grand Prix. Standard full port goes about 250cc and flows over 340 cfm. You also have the option to opt-out of these cookies. Unsung Hero by Scott Parkhurst, Popular Hot Rodding The 403 Olds may be the most overlooked performance engine ever. hump in the exhaust port, clean up of the bowl area behind the valve seat, and tear Plus, you can turn up the horsepower even more by choosing heads with CNC-ported runners and chambers, CNC-profiled chambers and other enhancements. All rights reserved. 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. 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. Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. 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. THIS PACKAGE INCLUDES: 1 PAIR OF ROCKET RACING CYLINDER HEADS. This car is called the Hefty HEMI and will compete in the NMCA - Nostalgia Super Stock class! These cookies will be stored in your browser only with your consent. ROLLER CAMSHAFT ..Call for pricing, SOLID ROLLER CAMSHAFT Call for pricing, CNC PORTED CYLINDER HEADSCall for pricing. He has given over 50 years of technology & hands on experience to the sport of drag racing. These MLS gaskets are made to order from Cometic and take about four weeks to produce. So, which heads are the best performers, and how can you spot them? Throttle response and power range from 1500 - 6500 RPM. Available with 2 different programs, stock valve or our big valve race version. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. Edelbrocks Pro-Port Raw Cylinder Heads are purpose-engineered castings for custom racing engines. Build your own custom newsletter with the content you love from Dragzine, directly to your inbox, absolutely FREE! 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 port matching. Speedmaster crate engines have become a huge success all over the world. JavaScript seems to be disabled in your browser. This website uses cookies to improve your experience while you navigate through the website. WebOldsmobile Cylinder Head Porting larger image We can machine, install upgraded components and port your Oldsmobile cylinder heads. From there, Oldsmobile engineers took their shot at creating the best possible drag race head, and introduced the Oldsmobile Pro Stock head (PN 24502585). With 2021 in full swing, many gardeners are looking for new varieties of plants to grow. Molding two designs into one proved more challenging than expected, but hard work and solid engineering principles made the Z head a reality. It looks like you could go huge on the exhaust ports, but I know that sometimes going too big actually kills velocity. COMPLETE READY TO BOLT ON. SpeedmasterTM kits bring together everything you need. I have not found any considerable difference between the castings, with the exception of the J heads. They definitely have the smallest runners of the bunch, and are a poor choice for performance use, even with porting. Comes completely assembled with roller cam springs speced out Exhaust. dual-quad big block Chevrolet. 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. They are available in .028 and .040 thicknesses. 0000000853 00000 n The super-thick deck is not an illusion Wise says these are 1.125-inch thick. 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. They worked like a charm. Traco Engineering, known at the time for extremely fast Indy cars and various sprint cars, utilized Mondello heads exclusively. Includes a multi-angle or radius Serdi cut valve job on both heads (seat cutting only). All of the small-block combustion chambers have roughly the same shape, but vary in volume. The after numbers look close to what everyone says these head flow, interesting. Bolt on a set of Speedmaster's fully assembled cylinder heads for instant power gains. 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. Made from the finest material, with total in-house manufacturing in our ISO-9001 certified California-based facilities. 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. Mondello Performance Products, Inc. 1103 Paso Robles Street Paso Robles, California 93446, Toll Free Order Line: 877-322-4489 (Ordering with part numbers only). For those racers looking for a head with 500+hp potential, this is it! From Street to Race ready performance, weve got it all covered, Weve done all the hard work for you. FULL RADIUS CNC 75 CC CHAMBER TO PROMOTE COMPLETE COMBUSTION, STOCK APPEARING BOLT BOSES FOR ALTERNATORS, ETC. Climate change is one of the most pressing issues of our time, and its effects can be seen all around us. And a very good head porter. 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. Joes worldwide clientele bears this axiom out; using Mondello heads & engines, they have set every type of record imaginable. We use cookies to provide you with the best possible user experience. U First of all, I'm just a homegamer in the Oldsmobile cylinder head department. Oldsmobile small-block cylinder heads have a number, like this popular number-7 casting cylinder head. These castings are undesirable for performance use. Research, compare, and save listings, or contact sellers directly from 160 Oldsmobile models in Rahway, NJ. 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.