Thread: 1970 c20 350 vs Toyota I force 5.7
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Old 09-18-2015, 02:33 PM   #7
michael bustamante
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Re: 1970 c20 350 vs Toyota I force 5.7
for the vortec heads.... does any body have cast # of what to look for? will they work on a '77 4 bolt main?
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