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bodfper
08-19-2010, 07:26 PM
Will 12:1 and 12.5:1 both run on 110 octane in a 440? If I were to do this do I need to put a HD rod on? How do you replace the rod?
tri5ron
08-20-2010, 07:48 AM
are you sure you mean Rod?
as in the Connecting Rod?

or do you mean to be asking about HD Studs?