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Author Topic: Ring and pinion gear ration  (Read 1301 times)

November 12, 2014, 09:22:12 PM

Offline dacrosson

  • Posts: 5
Okay -- so this may be a stupid questions, but i took my front axle differential out (because my last trail ride resulted in a broken bearing, some broken teeth, and a shitty ride home.

After pulling it out, I have 38 teeth on my ring and 9 on the pinion... I've never heard of a 4.22 gear ration for a wrangler TJ (1999 for those of you who may need to know). It's a stock Dana 35.

Just wanted to know if any of you have heard of such a thing??

November 12, 2014, 10:09:05 PM
Reply #1

Offline Jeff Jr.

  • Posts: 975
  • Student driver
If its a stock front axle its a dana 30.If its a 4cyl they were usually 4.10s 9 and 37 teeth.
Jeff Lee
'93 YJ on Dana 60's and 39 Reds- Trailer Queen
'92 YJ Dana 44 Ford 8.8 on Q78's- Gone
"97 TJ Dana 44 31's- Daily Driver

November 14, 2014, 12:10:50 PM
Reply #2

Offline dacrosson

  • Posts: 5
35 was type-o, i meant dana 30 -- and it's a 6 cyl... but after a recount -- it's 41:9 ration -- 4.55. I'm guessing previous owner upgraded? I'm going to check my rear ratio, and buy the matching ring/pinion for the front. What a nightmare.

November 14, 2014, 08:16:51 PM
Reply #3

Offline Shane

  • ADKJ
  • Posts: 2163
Guess that explains why the diff came apart if front and rear have different gears.
'97 TJ's on 39 krawlers