Okay I have a 68 gto cvrt. I found 455 frame motor mounts, I was wondering about the mounts that go on the block. I know they are different than the 400 ones I had. Is there a better upgrade than the stock old rubber ones, I'm pushing around 600hp. Thanks
Start looking here: Performance Suspension Technology - PONTIAC - V8 267,305,350,455 1974-92
I'm not sure what year your 455 is, but this company carries alot of urethane and ploygraphite parts. Polgraphite is supposed to be quieter. Although, I've never heard any noise made by other urethane bushings that I've installed, ex. body bushings... When I get a chance later today I'll do more research for other vendors.... As stated by PST you may have to use your current mount with the poly insert.....
Performer Intake, Mild Cam
Pertronix Ignitor III
Accel Super Coil, Accel 8.8mm Wires
If your worried about if the engine will push too much power for the stock style mounts and want some peace of mind, you could bolt a small length of chain on the drivers side along the mount bolted to the engine and frame. So if the mount fails the chain will catch it.
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