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I've already got some comp cams high zinc break in oil. And I havent done a lot of mods yet...been learning factory stuff. I do want to put a Holly sniper tbi system on this c70 instead of the old double pumper carb. I am Pretty knowledgeable on gmt 400 and gmt 800s. I want to hot rod a 6.0 ls...

Hello all I'm rebuilding a 84 c70 dump truck with a 366 bbc. Engine had major blow by was already bored .60 over. I had it bored .80 over ordered custom pistons and had machine shop assemble the rotating assembly. Now I am concerned about leaving everything else the same. Do I need to add larger...