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I was hoping to st least cruise at 25-26 and thought that was reasonable I have cast iron high rise intake and Edelbrock 750 ffm carb

Thanks for the reply the rebuild is from a reputable machine shop where I am freinds with the owner he built this for me 8 years ago and it sat luckily it runs well he did a complete build starting with a block he had has all new internals so the hp and specs on cam are a mystery I was still...

Hello all my new to me offshore 24 was bought with a bad motor a new sei alpha with 1.47 gearing I installed a non vortec rebuilt 5.7 from my local machine shop so hp is unown but estimated at 260 what speeds should I expect so far I’m disappointed with my cruising speed with 15/15” stainless...