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Discussion in 'The Garage' started by TB2Blazer, Oct 19, 2004.
I have a 1985 K5 blazer with a 350 and was wondering is it a 2 bolt main or 4 bolt main engine?
Hard to tell.
Get the block ID then reference on mortec.com
Even then you probably wont know for sure unless you pull the pan to look. 2-Bolt mains are perfectly good blocks, even in high-performance applications
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