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Old 04-02-2020, 07:51 AM   #12
68c10owner
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Join Date: Oct 2003
Location: Carmichael, California
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Re: Jegs crate engine

Quote:
Originally Posted by toolboxchev View Post
Yea, just looked again at the L31 HD motor. Had a question for some in the know.

Static comp is 9.4 to 1, anyone know the dynamic compression ratio is on that motor? I am assuming is low.
Would depend on the cam specs. Im sure someone will know where to find those. My old vortec 305 and 350 both ran fine on 87 octane gas so its not super high.
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