Like the title says g80 or lock rite? My jimmy is a 80 percent off road 20 on road. Right now it's a stock open 3.42 rear. It doesn't see the freeway anymore and it's becoming more of a play truck. I commute a whole 1/4-1/2 mile to work in it.

 

If you have an open diff currently, put a "lunchbox" locker in and you're good to go. This requires the least amount of work to install as it simply drops into the stock open carrier. If you break the carrier in your offroading exploits, then go with a full carrier locker at that point.

Installing a G80 differential would require the same amount of work as installing a full carrier locker. While the G80 is nice for its manners on the road, they can be temperamental with serious offroading and sometimes can fail spectacularly given the right set of circumstances.

 

The G80 also uses clutches and isn't always a solid lock up from my experience, but maybe my 216k mile diff is just getting worn out lol. Granted it's better than nothing, it's gotten me out of many slippery situations, but if I had an open diff and was wanting to lock it up, I would be more into looking at an aftermarket option, and this is coming from someone who works in a salvage yard and has AMPLE supply of G80 diffs

The Lockrite on the other hand is a mechanically engaged set of teeth, and once they lock in there's NO slipping between the left and right wheel until it disengages.

 

I thought the g80 was an actual locker, so no clutches? If it has clutches that would make it a lsd, right? I was under the assumption that the g80 mechanically locked both axles together 100% once one was slipping.

 

Thinking after I buy tires a lock rite is next on the list.

 

It does have clutches, but no springs to preload them. It's designed to either be open (no clutch friction) or "locked" (It basically drives a wedge in between the clutch packs to "lock" them).