I'd say the 265 would get the best mileage with that gearing.
An aluminum intake with Q-jet carb & HEI. wood work slick. If you want a lot of power to show off the 350 would be awesome.


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