The domed pistons and the quenched heads, looks like 13 to 1 to me, be interested to know?
I would say it looks like a committed race engine,The cam is pretty radical for the street.Those look like steel heads? If so you would have to run retarded timing and race gas (110), cc the heads, If you go with aluminum heads, you can run a flat top piston, that's the standard for high performance street engines it will give you about 11 to one, and pump gas will work, run 34 on full advance.
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