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post #1 of 7 Old 08-26-2011, 02:21 PM Thread Starter
ashnken
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1991 YJ Wrangler 
 
Join Date: Aug 2011
Location: Bruceton Mills
Posts: 48
new to me

we bought a 91 yj its in good condition with just under 100k miles on it. I sent for a copy of the build sheet and came with 3.07 gear ratio it seems a bit fast for off roading it has 285-75-16 tires with lockers in both ends. Any suggestions for gear ratios. It is not a daily driver. Thanks, Ken

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post #2 of 7 Old 08-26-2011, 03:13 PM
Que89YJ
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1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit
Posts: 22,155
Non DD - flip the axles to a ford 8.8 or a D44. 4.10 or 4.56 for the gears. Welcome to the forum.
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post #3 of 7 Old 08-26-2011, 03:29 PM
tobias94yj
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1994 YJ Wrangler 
 
Join Date: Oct 2002
Location: Sevierville, TN
Posts: 1,119
Congrats on the new to you YJ. they are a blast. make sure to use the search feature here and look at some of the "sticky" topics at the top they have a wealth of info there.

My recommendation to you is drive it for awhile and enjoy it while you are educating yourself on your jeep so you do it right the first time and do not waste money.

Welcome to JF and YJ's.

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post #4 of 7 Old 08-26-2011, 04:23 PM
jeepyj13
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1993 YJ Wrangler 
 
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Location: greenville
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congrats on a yj they are fun and are the last jeep to come with all around leafs. not a dd i would do what que said get a stronger axle for rear d35 cause if its a offroader the rear wont make it. you can beef it up with a super35 kit and always be that guy.

"Its a Jeeps World, other 4x4s just get stuck in it."
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post #5 of 7 Old 08-26-2011, 05:12 PM
I8AHUMR
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1993 YJ Wrangler 
 
Join Date: Apr 2009
Location: Dayton
Posts: 528
4.10s with auto. 4.56 with manual. Drive it for a while and see how it works. I ran 3.07s for a long time with 33s with 6 cylinder and was fine. I just went to 4.10s and couldn't be happier.

93 YJ, 4.0, 4.5" suspension, 33x13.5 Pitbull Rockers, Custom scratch and dent job...

05 WK, 5.7 Hemi, Quadra-Drive II
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post #6 of 7 Old 08-26-2011, 06:07 PM
clarkjdg
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1988 YJ Wrangler 
 
Join Date: Jan 2008
Location: Plainview, Texas
Posts: 347
Quote:
Originally Posted by tobias94yj View Post
Congrats on the new to you YJ. they are a blast. make sure to use the search feature here and look at some of the "sticky" topics at the top they have a wealth of info there.

My recommendation to you is drive it for awhile and enjoy it while you are educating yourself on your jeep so you do it right the first time and do not waste money.

Welcome to JF and YJ's.
Welcome aboard and I'm with tobias94yj just drive her awhile and see what you want to change, and see how wild you wont to get before you start wasting money.

LIVE EVERY DAY LIKE IS WAS YOUR LAST...
/_|__\___\
[n___n_[*lllll*]
(o) )-(o) )-*-) )
88 YJ, Smittybilt SRC Front, Side, and Rear Armor, Family Roll Bars, TJ Flares, and Half Doors
4"Leaf, 2"Body, and 1"Leaf Lift, 4.10 Geared Dana 30 Posi with Cable Engage, Ford 8.8 Posi, With 33s BFGs MT KM2
Everything "Black" Inner, Under, and outer "Black" on the Body is "Bed Linered" and I will be Thru the day that I Die!
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post #7 of 7 Old 08-26-2011, 10:26 PM
tommbstone
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1989 YJ Wrangler 
 
Join Date: Aug 2011
Location: Fresno
Posts: 119
I'm new to the board as well. I did 4:10's with the Detroit true tracks as its a softer gentle locker. (part time daily driver) That made a bold difference and my 5th gear got better on my 33's
I bashed mine on big rocks for 3 years on stock gears and no lockers NOT FUN the lockers and 4:10's are great and I wheeled the new gears about 10 times.... then I got wind of a Belem Terra 4:1 kit half price so I bought it, then I had a buddy donate his np231 J with Slip yoke and drive line (Major score) I bench build it, but only drove it around my yard. But I can tell its going to be sweeeeet. I have to do other upgrades and smog it now so I can go play with new t-case.

My brother has 4:56 in his 91 and his first gear is very short.. he hates it but it climbs well for what it is. He put a full locker in rear and it bangs all over the place.
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