Like Ed says, find out what ratio you have now & change to a higher gear. It probably is 3:73. That is what was used in those trucks because they have O-drive trans. Probably your best bet would be to swap the TH350 for a 700 R-4 o-drive trans.


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum