Hi my name is David i own a 1987 Chevy V10 with 3/4 ton axles under it and 36x12.50x16.5 Goodyear Wrangler RTII hummer tires, i actually was searching for a solution to figuring out why my NP208 doesn't stay in 4H and pops back into 2wd and stumbled across this site and well this is where i...