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Old 05-22-2017, 03:42 PM   #5
kwmech
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Join Date: Mar 2003
Location: Colfax-California
Posts: 8,717
Re: 1970 c10 350 4 bolt main?

Quote:
Originally Posted by geezer#99 View Post
Not all the 010 blocks were 4 bolts.
327's could be 010 blocks and where definetly not 4 bolt.
You need the suffix code from the front pad to know for sure
Even then that is not positive. The only way to tell positively is to visually see the main caps, which of course means pulling the pan
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