Trust me, when the job is done properly, there arent any sealing issues in the highest-horsepower applications. 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. 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. These gaskets are pretty much available in any thickness and bore size when you custom-order them. They require that the decks be flat and smooth. CHECK OUT THESE OUTSTANDING FEATURES: RAISED EXHAUST PORTS THAT ACCEPT STANDARD FLANGES. Joes worldwide clientele bears this axiom out; using Mondello heads & engines, they have set every type of record imaginable. My question is how far can you port these heads? There is a spacer system to make everything work with a big-block Olds. Includes the bowls, port match, and profiling of the combustion chambers. All of the great drag race cars ran with Mondello. The Stage 1 head is fully CNC-machined and is delivered with 5/16-inch bronze valve guides and iron seats. Golden Rules of Porting Cylinder Heads - Part I have seen many heads that have been milled unevenly, which throws everything off. While many gardeners prefer the reliable production and compact size of determinates, others are drawn to the larger fruits and greater yields of indeterminates. Speedmaster line of EFI systems is all you need when deciding to upgrade your engine to modern electronic fuel injection. 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 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. Once JavaScript is enabled please refresh the current page. These heads solve all of those problems, Wise explains. 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The Sportsman Series offer high horsepower and excellent torque. Tomato enthusiasts have long debated the merits of determinate versus indeterminate varieties. Coming along slowly.. it's a long winter. 440 Olds Stroker Small Block Photos by Chris Hemer, Popular Hot Rodding The strong arm solution for weak-kneed 350s. as well as profiling of the combustion chambers. Speedmaster Bare cylinder heads offer improved power throughout the entire rpm range for greater throttle response and top-end performance. Bolt on a set of Speedmaster's fully assembled cylinder heads for instant power gains. 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. Includes port matching and blending of the plenum and its dividers. SpeedmasterTM kits bring together everything you need. These cookies will be stored in your browser only with your consent. They are available in .028 and .040 thicknesses. 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. The cylinder head works by allowing the air-fuel mixture to enter one valve and the exhaust gas to exit the other. Includes port matching. WebEdelbrock RPM Olds 455 Head Porting HeavyOlds 268 subscribers 642K views 15 years ago The scariest thing I ever did was port a set of new Edelbrock aluminum cylinder heads. 0000000607 00000 n They worked like a charm. %PDF-1.3 % In the 60s & 70s, this was the fastest wedge-head Chevrolet, running a 7.24 E.T. We designed this stuff a few years ago, and just recently put them into production and have had some great results out of them. One such individual is Brad Wise of Wise Performance Engineering. In 1951, Joe was racing at airports and drag strips throughout Southern California. 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. Performance ranges from an emissions-legal street-oriented bolt-on for daily drivers to a full-on race casting for serious competition. 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. WebSpecializing in Oldsmobile high performance 4509 Crichton Ln. 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. 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". Peppers take longer than tomatoes to get going, so start them first. NO HEAD BOLT HOLES TO DEAL WITH WHEN PORTING. Reusing this cam for this year. Mike is a great guy. The super-thick deck is not an illusion Wise says these are 1.125-inch thick. Copyright 1995-2023 Rocket Racing & Performance LLC. 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). This factory iron big-block A cylinder head has the largest ports I have seen. 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. Your One Stop Shop For Olds Performance Products. When it comes to yellow tomatoes, Carolina Gold is a popular determinate variety. It looks like you could go huge on the exhaust ports, but I know that sometimes going too big actually kills velocity. The nice job on these C heads came by pouring in melted aluminum from the port side and then porting the bowl properly. Exhaust. porting and polishing of the inside of the intake manifold. Just bolt on a set of complete heads for instant power - cos we've done all the hard work for you! They already have induction hardened seats and flow almost as good as C's. 2023 CarTechBooks. Oldsmobile small-block cylinder heads have a number, like this popular number-7 casting cylinder head. This website uses cookies to improve your experience. I'm sure I'll get flamed for not using e-brocks anyways.. COMPLETE READY TO BOLT ON. Installing these larger valves should be standard procedure, even for stock rebuilds. We also use third-party cookies that help us analyze and understand how you use this website. COMPLETE READY TO BOLT ON. These cookies do not store any personal information. 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. Valve Profiling: $50 Produces dramatic increases in low lift flow. WebOldsmobile Cylinder Head Porting larger image We can machine, install upgraded components and port your Oldsmobile cylinder heads. 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. This happens either because the combustion seal is compromised or the head does not sit flat due to improper machining. Good middle of the road plug, not too expensive, high quality, regularly stocked everywhere. CNC combustion chambers offer superior control over flame travel and quench area. Stage III: $850 Our "strip" port job - the best bang for the buck. Stage II: $550 Our "street/strip" port job - for those on a budget. dual-quad big block Chevrolet. 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. Oldsmobile Known for giving you the optimal airflow combination for maximum engine performance. 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 Includes full porting and polishing of the inside of the intake manifold. The after numbers look close to what everyone says these head flow, interesting. 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. Feel free to contact us for any custom quotes. Build your own custom newsletter with the content you love from Dragzine, directly to your inbox, absolutely FREE! NO WATER BY PORTS SO PORTING IS INFINITE. I had those sitting here, and took a look at the chamber design and the shape. The perfect cylinder head, designed for entry-level that results in great driveability, power and economy. Most Olds folks seem to prefer theC heads for their added performance and better flow. Sure as heck not going to put that kind of money into my gravity laden iron turd heads. WebCompetition Components 4406 Van Atta Rd. To learn more, view our, For the ultimate in performance, our E-CNC cylinder heads are the answer. Big race port is 300cc and hits 390 cfm. 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. EDELBROCK CYLINDER HEADS Continuing use of the site implies consent. Okemos, MI 48864 PH: 616.499.6223 Contact Us! Ported Oldsmobile Cylinder Heads DRILLED FOR 1/2" HEAD STUDS. Olds The Other 350s: Oldsmobile by Marlan Davis, Car Craft The Olds 350s design specs offer ample performance potential. They feature double-pinned rotors (timed and clearanced after assembly), heavy duty front and rear bearing plates, and an intake manifold. Of all the factory iron heads I have played with, I have found the A heads to be the best in stock form. Jiffy peat pellets are a popular choice for starting tomatoes, but they can also be used for peppers. This ensures that the valve free-drop and combustion-chamber depth is even. Bulldog 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. Assembly has been carried out at the Speedmasters TDS Department by the Head differential technician. 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. The heads are making really good power. A head with 180 or 185cc intake runners will work well on a typical 350 Chevy street engine that makes 400 to 450 horsepower. We will safeguard your e-mail and only send content you request. Valve covers, fuel-injection-capable 4bbl-style intake manifolds, and other parts to install the cylinder heads are also available. to grow your business. WebHeads Shop at 4101 Bergen Turnpike, North Bergen, NJ 07047. I have had various issues with them. 455 C heads vs Ga heads I only use these on cast-iron head engines. 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. Edelbrocks Pro-Port Raw Cylinder Heads are purpose-engineered castings for custom racing engines. The Edelbrock 455 Olds manifold bolts right on. This car is called the Hefty HEMI and will compete in the NMCA - Nostalgia Super Stock class! 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 I have milled factory iron, Batten, and Edelbrock Performer RPM heads as much as .100 inch for certain applications. 0000363215 00000 n Dont stress out over the finish; just leave no rough cuts.