Try 24502586. You mean the engine building book and not the high perf parts book, right? Might be in there, but check the copyright. The book I bought last year is dated 1993, I believe. It's at the shop, so I'll look tomorrow. Shannen ECMnut at aol.com wrote: > gimme a part# for the LT4 cam. > Would it be in the '97 ChevPower Manual > MV