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  1. 262ci Forum (4.3)
    I’m planning to buy another 4.3l v6 non-vortec for my 91 s10. I’m going to put a new cam, pistons, connecting rods and a TorqMaster SuperCharger since all the bolt patterns are the same. Maybe 50 shot of NOS in the future. How do I make sure the new engine is the same as the old engine? Meaning...