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Old 04-14-2021, 08:43 PM
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I did not know about the frame mounts being different. Do I need the mounts for a 455.
The engine only has the 2 bolt holes for the early style mounts.
(70 and up used the new 3 holes for mounting, total of 5 on the newer blocks)

It would require at least a set of adapter mounts for the engine.
Some companies make them, but not sure how good they are.

Or could use early frame mounts from 68/69 GTO then use the 68/69 engine mounts.

The adapters have a problem of raising the engine from the thickness of the metal adapters. Throws off alignment some I believe?
(never used them. did the early mounts for my car)

Or could use a front engine plate mount.


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