So im on the verge of deciding my lift and i have 33's now so im trying to decide what to do for the future cuz im thinking when it comes down to 35's ill say fk it just get 37's cuz already kills me i luv my 33's crazy awesome and really boosted my performance with no power loss really and a grat ride wihtout doing much at all but will 35's or 37's be okay witha d30 or should i really be trying to find d44 which i am haha but i want to see what the deal is thanks of course

 

I would try to find a 44 to handle 37's. The D30 should be able to handle 35's with the Evo C2 gussets and some reinforcement. I wouldn't go any bigger if you plan to wheel it.

 

The D30 will be fine with 35's. With 37's I think you're pushing it and may want a stronger axle. In general though, I would think the D30 would be fine if you upgraded your axle shafts to something stronger than the OEM's and upgraded your gears. However, at the same time, I feel like I heard from a posts around here that gears bigger than 4.56 in a D30 won't fit.

So I would think a 37 will fit the D30 if you upgrade the axle shafts.

However, I would do it right and just purchase a stronger D44 or D60 axle with the proper gearing already installed (4.88 or 5.13). Look in Dynatrec or Teraflex axles. I know there's one more out there but I can't think of the name.

 

Still a firm believer in the hard to decipher run-on sentences I see.

Yes, as noted above, if you are actually going to take it offroad and use it, (and if your budget actually allows a D44 upgrade) you would be much better off finding a bigger axle to throw up front. You can drop a ton of money into D30 upgrades, but you are still left with the small gears as the weak point.

 

the d30 should be fine w/35's and no locker. if you have that a shaft will prolly break. but d30 w/37 to is not gonna be something you want to do.

 

I run a D30 with 35s...no probs so far

 

I run a d30 with 37's and have broken two pinion gears,(5.13's)one axle (stock,now have chromoly)and a locker!I have a pretty conservative right foot,but I do wheel ALOT and on tough rocky trails, not just dirt roads etc.I am now saving for a tougher front axle!

 

I cant put 5.13 or 4.88's on my d30 axle?

 

Yes you can,I have 5.13's in mine,so do about half the people on this forum.(ok,maybe 1/3 of the people on this forum)

 

Yes, you can put 4.88 and 5.13's in a D30.

If you go to a D44, you might consider 5.38's with the 37's