C4 Motor Mounts

Montana

Member
I tried to replace the stock 89 Corvette motor mounts but the new one has so little rubber there are big gaps on the top & bottom. Once installed the engine weight pushed it down farther than the OEM one.

What are people using for motor mounts? I had thought about filling the gap with some kinda silicone or something strong to stop the slide. However that’s a lot of work & can’t be the easy answer.
 

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theres several versions they may have given you the wrong ones
 
Last edited:
I put the OEM ones back in place but decided to try to raise the engine a little bit. To do so I took the engine hoist & lifted the engine while mounts were still completely installed. This caused the gap at the top to open up & I slid in some grade 8 washers.
 

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