Left/Right Motor Mounts - How to tell?
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Joined: Jul 2011
Posts: 454
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From: Augusta Township, MI
Car: 1985 IROC-Z
Engine: 383
Transmission: 700R4
Axle/Gears: 3.73
Left/Right Motor Mounts - How to tell?
I just swapped out my 305 for a 383 and I'm having a problem with exhaust headers being too close to the frame on the passenger side.
It was suggested to me that I have the motor mounts (I assume the part of the mount that bolts on the block) on the wrong side. Before I start tearing everything apart, is there a way to tell? I've read posts that say the two sides call for different part numbers, where would that number be located on the bracket? Or is there a better way to tell? When I pulled the mounts off of the old engine they looked the same to me so I didn't bother marking them left or right (
), it's entirely possible that I do have them reversed.
It was suggested to me that I have the motor mounts (I assume the part of the mount that bolts on the block) on the wrong side. Before I start tearing everything apart, is there a way to tell? I've read posts that say the two sides call for different part numbers, where would that number be located on the bracket? Or is there a better way to tell? When I pulled the mounts off of the old engine they looked the same to me so I didn't bother marking them left or right (
), it's entirely possible that I do have them reversed. 
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