425 Oldsmobile Engine Specs - Simon Cowell's Son Diagnosisindexhttpmicrocentercom The oldest castings (used. 40 rows1967 oldsmobile engine specifications ('66, '68 and '69 specs are also included, for comparison purposes) The boxwrench engine specs database is a community resource for mechanics of all skill levels to access a reference library of firing orders, distributor rotation directions and block. Motor says 389244d with c heads. I say a performer bbo intake with the stock 750 cfm qjet rebuilt. Or a custom tuned 76 to 79 800 cfm qjet or a 750 street demon. Oldsmobile 425 v8 1966 with 4. 125โณ bore, 10:25 compression ratio. 425 internals [or, is that forged crank and short stroke a bonus?], requires the early pattern flexplate, and those 0. 921 lifters at $100 a set or so, which require shorter. Bigblocks displace 400, 425, or 455 cubic inches.
Simon Cowell's Son Diagnosisindexhttpmicrocentercom