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Valve covers, fuel-injection-capable 4bbl-style intake manifolds, and other parts to install the cylinder heads are also available. O-rings can be installed in the head or the block, but preferably in the cylinder head. We'll send you the most interesting Dragzine articles, news, car features, and videos every week. Flow testing: $100 Flow testing of one intake and exhaust - performed on our custom built bench at 28" of depression with flow sheet provided. In the 60s & 70s, this was the fastest wedge-head Chevrolet, running a 7.24 E.T. This new head features a modern 77cc combustion chamber, new larger 2.150 intake valve and updated ports for improved flow The debate is further complicated by the fact that some tomato varieties can be either determinate or indeterminate depending on their growing conditions. If you get a set of roller rockers that don't require any machine work to install, you can put them on 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". Includes full porting and polishing of the inside of the intake manifold. 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. 7/16"CAN BE USED WITH NO ISSUES AND DRILLED FOR 3/8" PUSHRODS. WebOffering top notch Aluminum Cylinder Head Porting and Cylinder Block Machining Services for High Performance Racing Engines by Race Engine Builder Steve Schmidt. So remember: J is for junk. The Other 350s: Oldsmobile by Marlan Davis, Car Craft The Olds 350s design specs offer ample performance potential. You might need to go hotter or colder depending on your setup, but this is roughly equivalent to a R45S. They already have induction hardened seats and flow almost as good as C's. Developed by William Estler in the 1940s, this tomato is known for its large size, sweet flavor, and disease resistance. Project Murderous Overkill by Christian Hazel, JP Magazine The Mondello Monster. Olds Oldsmobile 1969 BareC Heads / 455 / XLNT! // Ported Item is a matched pair of 1967-68-69 OldsmobileC code cylinder heads that have been stripped and prepped for a performance rebuild. With the racing we do, we spin the engine up to 9.500 rpm or more, and we needed a cylinder head that would handle the piston speed. Some of our popular builds are: Edelbrock Performer RPM Olds Edelbrock Performer RPM (Stock & Super Stock) Contact Us