1974 Duster 340 Engine and 727 Transmission Questions!!!

Then build it for him. And hand him $500 for that bolt in sprag, heavy duty clutches and bands, direct drum return spring kit, hd servo, etc...not the program for the budget builder. But he can do a 727 himself with what he has there for probably under $25. That's the cost of a reseal kit and filter. Redrill a couple holes in the separator plate and go racing. Put the money in a converter, not some giant thing out of a New Yorker. But lots of 3/4 ton trucks have high stall converters when they run low rear gears. Spend the saved dollars on the rearend.