Goat Racer is correct about tunnel sizes. I put a BOP TH 350 in my 64 GP. I was fortunate to find one with a lock up torque converter. There is a controller available to automatically lock and unlock the converter, but they were not available during COVID and I just utilize a lighted under dash switch to control it. Locking the converter on the highway is a nice option.
I did use a modified transmission mount
Last edited by Yellow Banana; 09-02-2025 at 02:24 PM.
Reason: Add mount comment
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