Nick,
I have a Chev 1954, 3800 flat bed with dual wheels, I purchased a GEAR VENDER overdrive. I still use the original gear box 4 speed
and the only thing major
to change was a new drive shaft. I installed it maybe 20 years ago and it still operates perfect.
Richard
Last edited by 3800rao; 05/01/2023 12:48 AM. Reason: spelling