Gearbox

[cruiser54]

21 hours ago, schardein said:

google research shows ZJ pitman provides 3/4"-1" drop from stock XJ/MJ.

I'm doomed...........

[schardein]

For those that read this post this far, the pitman arm nut is 1 5/16".  I pulled a 97 ZJ box from the local yard, left the pitman arm on it as they didn't charge extra for it.

 

Part number P52088488AB came up on a google search as 98 ZJ, Rockauto cross referenced to Cardone 277560, which says it fits a bunch of vehicles, some which I suspect didn't have the fast ratio.  Cardone specs says "Total turns lock to lock- 3 to 3.5".

 

Box is 3 turns lock to lock.

[EvilMJ]

I know I am re-reviving an old topic, but has anyone else noticed on RockAuto that some of reman boxes fit old Buicks, Caddies, AMCs, Dodges, Pontiacs, S10s, Tahoes, etc???  Anyone ever looked into better ratios on factory GM boxes??

[Minuit]

As far as I remember reading (cue someone 15 seconds later to tell me I'm wrong here)... the 12.7:1 ratio as found in the ZJ is as fast as the factory Saginaw box ratios ever got.

[cruiser54]

51 minutes ago, Minuit said:

As far as I remember reading (cue someone 15 seconds later to tell me I'm wrong here)... the 12.7:1 ratio as found in the ZJ is as fast as the factory ratios ever got.

I believe so.

 

Nice upgrade for an MJ BTW.