Thread: 403 Olds engine
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Old March 1st, 2006, 11:23 AM   #7 (permalink)
Lutzifer
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I have a 403 in my 19ft. Sunkisst jetboat. I was thinking of changing it over to a 455 but need info on a few things first. Is the bell housing and mounting the same? Is the engine mounts the same? Exhaust manifold same? Anyone have info or a link to basic engine specs for horsepower and rpm?
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