chevy block 3970014 looking to get the right heads(newbie)
10-21-2010, 05:10 PM
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chevy block 3970014 looking to get the right heads(newbie)
hello new to the forum i have a two blocks both 3970014 looking to run around 300-375hp was wondering i have 2 sets of heads herd there both junk got 333882 and 3998993 looking to see which set would be better are would a set of newer vortec heads fit without machining???
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