Quote:
Originally Posted by sdbob
Thank you. When I built the SD455 I used dimensions from Pontiac shop manual. Shift about 5400rpm.
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I did the same with my 73 SD engine with the exception of the rod bolts. I could not find or afford stock replacement SD rod bolts. I used ARP bolts and followed their stretch recommendations. My engine was done making any more power at around 5000 RPM''s Bone stock build.