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Help! Engine mount frame bolt

twoseater

Well-known member
Joined
Aug 14, 2004
Messages
116
Location
Milton,Vermont
Corvette
1965 Blue Vert, 1980 White Coupe
Hi folks - changing out my motor mounts. The new mounts are not as wide as the ones I removed. Does anyone have the bolt size for the motor mount to frame bolt?

First time I've done these and I've already got the driver side out and the new one in. However, I need to get the proper bolt as its much too long.

Its unclear to me if these bolts should be tightend on the mount or do they float within the mount? From the one I took out it looks like it was bottomed out on the the thread so I don't thing it was tightened to the mount just to the end of the threads itself.

Hopefully with the new mounts in place my power steering pump will fit into the car!
 
Last edited:
Ok, I researched a bit more and found the motor mount bolts should be torqued to 30 and the through bolt to about 35.

Good to go!
 

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