ive got a 1989 yj amc 2.5 i4 TBI that i have changed twice and the same piston has detonated twice in two different engines and i have a limited amount of money ive found a 1986 or 87 amc 4.2 i6 carb. and transmission with everything i need to change it over, i know the transfer case will not work because the chunk is on the drivers side of my yj and the front d-shaft on the cj is on the passenger side, is it possible to change the transfer case or will it hurt it to leave the front drive shaft out until i can afford to overhaul everything to something else?