Anyone have a 91 6 cyl, auto tranny? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 06-21-2003, 07:27 PM Thread Starter
 
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Anyone have a 91 6 cyl, auto tranny?

I'll be damned if I can find the tag on my d30 front to tell me the gears. So I was wondering if anyone here has a 91 YJ 6 cyl., 3 speed auto, w/ stock gears that know the ratio. The only number I saw stamped on the housing was up by the bumpstop, and since it was high pinion it was printed upside down, and read 233. Is that the R&P? Please help me.
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post #2 of (permalink) Old 06-21-2003, 07:56 PM
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Re: Anyone have a 91 6 cyl, auto tranny?

well i have a 88 with the 258ci and auto with 3.73s
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post #3 of (permalink) Old 06-21-2003, 08:01 PM Thread Starter
 
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Re: Anyone have a 91 6 cyl, auto tranny?

Did you have a tag on the 30 up front or is stamped into the housing?
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post #4 of (permalink) Old 06-21-2003, 08:29 PM
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Re: Anyone have a 91 6 cyl, auto tranny?

I have a 91 Wrangler with the 4.0 and TF999. I can't find the tag on the axel either. But I used this equation in JP magazine and it says I have 456's. I can believe it too because it's awsome out of the hole and I have the stock 235/75/15 on it. Now I bought it used, so they may not be stock.
336/tire diameter x mph x gear ratio = rpm
post #5 of (permalink) Old 06-21-2003, 08:33 PM
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Re: Anyone have a 91 6 cyl, auto tranny?

Count the rotations of the driveshaft and wheel
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post #6 of (permalink) Old 06-21-2003, 10:30 PM
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Re: Anyone have a 91 6 cyl, auto tranny?

I have a 91 auto 4.0.
I could never read the tags either. To my best guess they were 3.4 ratio.
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