TJ ring and pinion

Will the TJ ring and pinion dana 30 4.10 gear set will work in my 78 dana 30? found a good deal just want to know if i should pull the trigger.

 

Yours is a low pinion set. I think the TJ might be High pinion so no worky

 

No they will not, TJ's have a low pinion as well, but its a short low pinion like the ones used in 96+ ZJ's. its uses a Crush sleeve setup. High Pinions were in YJ's and most XJ's

Early ZJ gears( 93-95) and as long as the are 4.10+ and above will swap though. I run 4.56 in My 93 ZJ that came used from a CJ, on ZJ's you run that and convert from a Crush Sleeve to a Shim setup like on a CJ by using a different bearing(from a d30 out of a Ford Aerostar i think).

 

No TJs use a crush sleeve and CJ's don't. I made this mistake before.

 

x3

It's weird-- the TJ 30 has it's own unique design--

 

well technically it and the late model ZJ's share the same R&P

 

got it! thanks fellas!

 

nice-- thanks for the info!


according to Randys-- the "short" version & "crush sleeve" version are indeed the same.

fits '92-'96 ZJ's & '97 - '04 TJ's only.

 

That is a misprint on their site. They made a long and short pinion gearset that used crush sleeves. Early 95 and down ZJ's use a low and long d30 pinion, just like the CJ's. The 3.55 and 3.73 gears are different than that of a CJ because they are made to use a CS( machined different where the CS would mate up vs a shim). When you go above to a 4.10,4.56,etc ( a non factory option in the ZJ) you have to use CJ gears, and a different bearing in order to convert from a CS to a shim setup in the ZJ. I run 4.56's from a buddy's CJ in my 93 ZJ, just had to get that bearing to convert from CS(factory setup) to the CJ style shims. Back then it was hell trying to figure out exactly what we needed to make it work, I think now he produces a install kit for the ZJ's that have the right bearings,etc.

 

:applause: nice tech!