One_fast67
Member
I am going to freshen up the 351W for my ‘67. This will include new pistons, aluminum heads, and a new cam utilizing the stock crankshaft. The highest octane rating in my area is 91. While I am looking for a boost in performance over stock, I’m not chasing crazy horsepower numbers or revving the engine to 7000 RPM. What would be a safe compression ratio to shoot for?