porting and polishing of the inside of the intake manifold. I'm sure I'll get flamed for not using e-brocks anyways.. 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. 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. A head with 180 or 185cc intake runners will work well on a typical 350 Chevy street engine that makes 400 to 450 horsepower. 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. In 1951, Joe was racing at airports and drag strips throughout Southern California. We use cookies to provide you with the best possible user experience. 1 ROCKET 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. 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. 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. To provide a better shopping experience, our website uses cookies. The store will not work correctly in the case when cookies are disabled. THIS IS JUST A SAMPLING OF THE MANY FEATURES THESE HEADS HAVE. Any time you force air to flow along a particular path, the total flow almost certainly drops. @ 213 mph at the 1969 Indy U.S. Nationals. Big race port is 300cc and hits 390 cfm. A The phone number for Heads Shop is: (201) 223-2300. 23 0 obj
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All Rights Reserved. With 70cc chambers built into the heads from the beginning, the heads handle street performance, but Wise explains that users looking to use them in more aggressive combinations can knock down the chamber dimension by decking the cylinder head and build some compression into the engine. Stage I: $300 Complements any of the above mentioned port jobs. This method brings you pretty close. JavaScript is disabled. 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. 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). You might need to go hotter or colder depending on your setup, but this is roughly equivalent to a R45S. Joe celebrated over 40 years in the high performance manufacturing industry. ALL ROCKET RACING CYLINDER HEADS ARE BUILT PER CUSTOMER APPLICATION.PLEASE CALL TO ORDER. I plan on finding a GT-40 upper and lower intake. COMPLETE READY TO BOLT ON. NO WATER BY PORTS SO PORTING IS INFINITE. Just choose your level of performance. Multi-layer steel gaskets made by Cometic are the ultimate in combustion sealing. Authorized dealer for all Holley products, Comp, Erson, Lunati cams, Mahle and RaceTec pistons. 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. Pro-Port Raw heads are semi-machined with finished accessory, intake and exhaust flange bosses. 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. The super-thick deck is not an illusion Wise says these are 1.125-inch thick. WebHeads Shop at 4101 Bergen Turnpike, North Bergen, NJ 07047. 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. Heads are available with bronze guides and iron seats, with a beryllium-copper seat available for max-effort applications. Get Heads Shop reviews, rating, hours, phone number, directions and more. Performance cylinder heads enhance the airflow into your engine, giving you improved power and torque. 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. // Ported Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. They require that the decks be flat and smooth. CNC combustion chambers offer superior control over flame travel and quench area. When milling your cylinder heads, make sure that the machine shop machines the deck surface parallel to the valve-cover rail. 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. dual-quad big block Chevrolet. 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. Contact us for your application and pricing. The Edelbrock 455 Olds manifold bolts right on. BEST OF ALL RAISED AND RELOCATED, SYMMETRICAL PORTS. We also do 1,2,3,4,6,10, and 12 cylinder engine head work. 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. Stage III: See below for pricing complements any head porting for maximum horsepower. I have seen many engines use these in very-high-horsepower turbo and blower applications with varying degrees of success. Very happy with the power made on the dyno with the Edelbrock Carbs. 440 Olds Stroker Small Block Photos by Chris Hemer, Popular Hot Rodding The strong arm solution for weak-kneed 350s. Peppers take longer than tomatoes to get going, so start them first. All rights reserved. When were done they flow just a bit better than your best numbers and work really well. Rule Number 2: Let the air move the way it wants to, not the way you think it should. Options include stainless or titanium valves, beryllium valve seats, and a T&D 1.7:1 or 1.8:1 shaft rocker system thats been developed specifically for this application. A street port job will open things up nicely. Joes first car was a 40 Ford coupe with a 303 c.i.d. Trust me, when the job is done properly, there arent any sealing issues in the highest-horsepower applications. 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. JavaScript seems to be disabled in your browser. Assembly has been carried out at the Speedmasters TDS Department by the Head differential technician. Edelbrock Aluminum Cylinder Heads are ready to bolt on and go right out of the box. It'll pass anything except a gas station :-). 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! 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. Wow the before the bowl work they are far from impressive. Factory trained on AEM and Holley EFI systems. So remember: J is for junk. Once JavaScript is enabled please refresh the current page. The 2 columns are a before and after bowl porting/blending. Copper head gaskets get a bad rap from people, mostly because the O-ring job was performed incorrectly, allowing coolant into the engine. Newer Post . Porting at Home by Michael Lufty, All Chevy Head Wizard Joe Mondello offers tricks of the trade. 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. At my door for 2400$ Canukistan dollars (1830 us). Stage III: $850 Our "strip" port job - the best bang for the buck. 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. This design allows you to select a wide array of thicknesses for the application. WebEdelbrock Oldsmobile Heads. The same goes for the intake and exhaust ports on the muscle-car-era castings. When performing the O-ring and receiver-groove operation, location of the O-ring and receiver groove is absolutely important. The deck thickness and stiffness required on the cylinder heads has to be determined according to the amount of horsepower the engine can produce. Get big-block heads, mill the deck surface so you can get the combustion chamber volume, and presto! You also have the option to opt-out of these cookies. WebAll Speedmaster 18deg. Oldsmobile. Project Murderous Overkill by Christian Hazel, JP Magazine The Mondello Monster. Speedmaster El Rayo ignition system are designed for the enthusiast that is serious about performance but needs the small cap size due to space considerations when installed. By continuing to use our site, you agree to their use. Stage V Competition: Standard valve angle, conventional style heads, Stage V Ultra-Competition: altered valve angle, competition style 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. Known for giving you the optimal airflow combination for maximum engine performance. ROLLER CAMSHAFT ..Call for pricing, SOLID ROLLER CAMSHAFT Call for pricing, CNC PORTED CYLINDER HEADSCall for pricing. Head Porting At Home by Marlan Davis, Car Craft Professionally prep your own heads with Mondellos home porting kit. Jiffy peat pellets are a popular choice for starting tomatoes, but they can also be used for peppers. To learn more, view our, For the ultimate in performance, our E-CNC cylinder heads are the answer. $3795. 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. From there, Oldsmobile engineers took their shot at creating the best possible drag race head, and introduced the Oldsmobile Pro Stock head (PN 24502585). Molding two designs into one proved more challenging than expected, but hard work and solid engineering principles made the Z head a reality. Speedmaster Bare cylinder heads offer improved power throughout the entire rpm range for greater throttle response and top-end performance. Includes full porting and polishing of the inside of the intake manifold. Dont stress out over the finish; just leave no rough cuts. 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.