I've changed the engine on my 38 to a GMC 270 with the matching 3 speed from 1955. I have a 3.90 rear axle. The truck will run north of 70.
I have added disc brakes and Bendix drums so it will stop.
I have 235/85/16 radial tires.
I don't like how it drives over about 55. I mostly cruise at 50.

Wayne
1938 1-Ton Farm Truck
Stovebolt Gallery Forums
1989 Silverado
1996 Mustang GT convertible
When I die, I hope she doesn't sell everything for what I told her I paid for it!