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Discussion Starter · #1 ·
Iv got a 2001 silverado 4.3 v6 rwd. I bought a 4.3 engine that was out of a blazer and supposedly it was supposed to work and other than a couple of changes to some exterior stuff on the engine the motor mounts are completely different my mounts have 4 bolts in a square and the mounts for the blazer engine have 3 bolts. Anyone have any ideas or am i screwed on this??
 

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Is the block the same for both? I'd think it's just the old style 3 bolt mount on the block that Chevy has used forever. Try using the mount of your old engine on the new one.
 

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Discussion Starter · #3 ·
The blazer engine is like the old style mounts its got 3 bolt holes in a triangle shape
The silverado mounts are 4 bolts in a square none of the holes line up

The only way i know this will work is if the blazer frame side of the mount is the same but i doubt it. I may have bought a 700$ engine for nothing lol
 
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