View Single Post
Old 05-05-2016, 11:50 PM   #8
Captainfab
60-66 Nut

 
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,254
Re: Need to know a 383 w/TH350 in a 1964 GMC truck longbed?

Installing an OD trans behind the I6 or changing the differential gears as well as taller rear tires will help reduce your highway rpm's. What rpm's is your engine turning at 50mph?
__________________
Power Steering Box Adapter Plates For Sale HERE
Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE
Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE
Hydroboost Mounting Plates HERE
Captainfab is offline   Reply With Quote