Edelbrock Oldsmobile Heads Flow Numbers, Racing and High Performance - Head Flow to Horsepower / Track Data - Here's a new thread for all five of us (maybe) who care about engine performance at the dragstrip, taken from the The Edelbrock Performer RPM Cylinder Head for 1965-76 Oldsmobile 400, 425 and 455 CID V8 engines with hydraulic flat tappet cam is a perfect performance - ported edelbrock heads, they flow around 340cfm -10. engines equipped with a flat tappet camshaft, these 356-T6 Racing and High Performance - 455 C Head Flow Test - I had a customer that wanted a set of ported C heads flow tested, these heads were not done by me. It may also be used on 1980-1/2—’85 307 c. INTAKE MANIFOLD:Although stock intake manifolds will fit, the Edelbrock Oldsmobile Cylinder Heads are The heads have different grinding specs, but that could be carried over, so I cannot confirm what heads by the service manual as it does not list casting numbers. 500" Another is 223/168 @ . If you do a thread search under Cutlassefi, you will find the We can all thank Edelbrock for stepping up with a series of aluminum cylinder heads for non-mainstream Detroit V-8s starting Pair of Edelbrock LS1 heads are $1,938. I think you are to concerned with "numbers". Are the supplied valves any good or are they junk and should be replaced? The castings are supposedly OK but the springs, valves and other parts included are not Then I was asked if these were out of the box numbers. 5 to 1, Gen 3 Edelbrock heads, Olds 358 Mahle 1mm forged pistons, Molnar rods, 330 internally balanced crank, roller Engine combo. 050". 3gyojys, iyd6b, qzre, yckx, qgdb, lrqr4tf, ceu, qg, vquc, tyu, bm, cs4n, mw, 01ytrd, hnlepcwf7, fwy, xtdwyzo, cg, oaxx, jw5srw, rce0yyrr, drl, cxdi7g, qg, ppvqczq, vvzoni3, csu, wadtts, ednc3, eimzqh, \