Thanks for all the advice it is appreciated. Another question what stall speed torque converter should i be looking for. I only tow something rarely and i do not do any heavy mudding or anything like that the truck has an rv style cam 4.10 gears.
If the 440 runs strong you shouldn't need a very high stall in it. Nothing more than a 2000-2200 at max. Use a good converter too. No TCI or B&M off the shelf junk. Hughes makes good quality converters and are reasonably priced at Summit