My best friend has a 36 lowcab with a 235 and T5. It has a 3.90 55-59 rear. His is still in a lot of pieces, so he can't report on any driving issues with body roll vs. the fit of the axle and wheels and tires. That gear ratio combined with your tires and 5th gear would put you at 67-68 mph at 2200 rpm.
He also has a 29 coupe with a 216 and T5. The rear in it is a 55-59 (62?) 3.90 third member swapped into a 39 truck housing with solid perches welded on in the right spot (running the 39 axles). I am wondering if your 36 axle housing would accept the 55-62 third member in the same way, ensuring a good fit, and if the axles would work as well. I haven't had a chance to look in my parts book, and I fully expect to find different part numbers on the axle housings for different reasons even if the centers will swap just fine. Maybe someone well versed in the earlier trucks can chime in on interchangeability.
Last edited by EchoBravoSierra; 10/29/2024 1:52 PM. Reason: typo
