so i got an 89' wrangler 4cyl. and a 90 wrangler 4.2. i have plans for the 90'. im gettin the roughcountry 4" lift. should i get a sye??? what company makes 20" Blck rims that fit wrangler bolt pattern.(Its gonna be a pretty jeep too.)and is my 4.2 liter strong enough to push some 33.5" rubber around. also should i gear down the axels?? i still plan on driving this on the road. and if the SYE what size driveshaft?? it has to be changed right??