is finding a 4 cylinder front diff in a salvage yard the best way to get the front gears? Can someone post a link to where one might get the front gears? Does getting the steel diff allow one to use any D30 instead of D30A lockers/gears?


Thanks

I have a 5 speed with the stock 3.73 gears and i have been running 245/75's for about 2 years. I am good to go with 1st thru 4th gear and have noted no significant loss of power in those gears but 5th gear is about worthless. When i take trips in my KJ and am in 5th for awhile i notice the transmission gets clunky (getting into and out of gears) so i am thinking the tranny temp is elevated due to the extra strain. At 60mph at am at just under 2k RPM and at 70mph i am at 2600RPM but still note a significant drag. Obviously, the re-gear will solve most of this problem and will eliminate the tranny temp issue, i believe.

My question is, is it recommended to go with the 4.10's or should i consider dishing out the extra substantially more money for the steel diff and go with 4.56 or 4.88's? i am inclined to think the 4.10's would be enough but wanted the consensus. I would like to step up another tire size but don't see it happening as while offroading now i have some rubbing at full stuff and droop (stock bumpstops as i haven't wanted to lose any suspension travel). Is there another weak link beside the front diff and the CV angle? Is there a way to solve the CV angle issue without a cradle drop?

Lastly, can someone please provide a link and all part #'s for all the parts needed for a 4.10 re-gear incase that is the direction i choose to go. (did a search and couldn't find a part's list and link)


Thanks.