If there is a chance for any number of foul-ups ... inch overbore be taken from a 350 Chevy block. However, Buehl will take only 0.025 inch of material from the cylinder bore.

The first LT-1 arrived in 1970, as a 350 cubic-inch (5. ... which kept cylinder head temperatures low by cooling them first. This enabled Chevrolet to run the LT1 at a higher compression -- 10.5 ...