31"x10.50 - what size lift - JeepForum.com

 
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post #1 of 10 Old 10-12-2001, 01:57 AM Thread Starter
evilpsych
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31"x10.50 - what size lift

ok.. i'm a moron.. i forgot the post that told about this.. with 31"'s do i need to change gears and what size lift should i be able to accomplish this with..


Awwwwwwwwwwww... So he wants to go OFF-ROAD does he????

'93 YJ, 4.0, K&N filter, Borla Header, Borla Cat-Back, Hi-Flo Cat, 3 Core Radiator, D-Rings, TruckNuts, MSD 6A, LockRite Locker in D30, Magnecors, Kickass Stereo, 1" daystar, 31" BFG AT's, Homemade Rocker Guards and Front/Rear air-tank bumpers with tire carrier, 15x8 AR-767 4"BS, BDS 3.5 HD lift, AMA A/C Kit, York OBA, GoFerIt 1" MML, 8,000lb HF/MM Winch, Magellan MAP 330 GPS, PRO-2067 500ch. Scanner, oh, and a CB capable of talking to SATURN!

"The Only Thing Necessary for Evil to Succeed is for Good Men to Do Nothing." - Edmund Burke
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post #2 of 10 Old 10-12-2001, 03:08 PM
CdnJeepGirl
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You don't need a lift with those tires if you have a TJ...

'03 Rubi
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post #3 of 10 Old 10-12-2001, 06:53 PM
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I thought it was ok to have 31s & no lift on street only, but not off road.

Anyone?
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post #4 of 10 Old 10-12-2001, 07:46 PM
FLHT_FXRS_YJ
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You will notice a difference in your gearing if you go up to 31's. If it's a manual, you will lose the use of 5th gear unless your really moving down the highway. It's about the maximum size you would want to go up to without changing ring and pinion gearing.

89' YJ - 4.2 - NV4500 - NP231w/sye - 1" Body Lift - 2 1/2" Rancho Suspension Lift - 31" Firestone MTR - AR Outlaw II - Tomken Bumpers F & R - Warn 8000 front - Warn 6000 rec. mount rear - FlowFit Seats - Tom Woods Rear & Custom 2" front driveshafts
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post #5 of 10 Old 10-12-2001, 08:09 PM
mytjnamedrex
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w/ a manual u will NOT lose 5th gear with 31's....at least if you have the 6cyl. but your speeds at which u will get into that gear w/o boggin down will be like 5 mph higher. If you have the 4-cyl than u may lose 5th but get a full borla exhaust/chip/intake and you should be in good shape. hope this helps

97 TJ w/ Hardtop/AC/5-speed/I-6/ aftermarket stereo/ 2" spacer/1"BL/ 32x11.50 BFG AT's.
....that sounds expensive..
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post #6 of 10 Old 10-12-2001, 10:16 PM
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What about the lifting side of things?
(about to do that part myself)
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post #7 of 10 Old 10-13-2001, 01:29 AM Thread Starter
evilpsych
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yeah i was thinking either a 1" body lift or bigger shackles?? i dunno.. i'm clueless here guys..

Awwwwwwwwwwww... So he wants to go OFF-ROAD does he????

'93 YJ, 4.0, K&N filter, Borla Header, Borla Cat-Back, Hi-Flo Cat, 3 Core Radiator, D-Rings, TruckNuts, MSD 6A, LockRite Locker in D30, Magnecors, Kickass Stereo, 1" daystar, 31" BFG AT's, Homemade Rocker Guards and Front/Rear air-tank bumpers with tire carrier, 15x8 AR-767 4"BS, BDS 3.5 HD lift, AMA A/C Kit, York OBA, GoFerIt 1" MML, 8,000lb HF/MM Winch, Magellan MAP 330 GPS, PRO-2067 500ch. Scanner, oh, and a CB capable of talking to SATURN!

"The Only Thing Necessary for Evil to Succeed is for Good Men to Do Nothing." - Edmund Burke
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post #8 of 10 Old 10-13-2001, 10:09 AM
osburn
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For 31s on a YJ, I'd get at least 2" of lift. A shackle lift would be my last resort.

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post #9 of 10 Old 10-13-2001, 09:59 PM
kdhutton
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I have 31s on my TJ I used a 1.5" spacer lift from procomp. . .you will have to add 3-4 washers to your bumpstops up fornt other wise you will rub when you disconnect the sway bars. . ..if you leave the sway bars connected and you use factory offset wheels you are ok except at full lock when turning you will gwt some rub here but just alittle if you go with new wheels with std or 4.5" offset you will have no rubbing but the tires will set a little outside the fender flares so mud and dirt will flip up the side or in if you run without doors. . .I would recommend going with a 1.75 or 2" spacer that comes with bumpstop extensions. . .like Daystar or Teraflex. . .
hope this helps
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post #10 of 10 Old 10-14-2001, 12:33 AM
Jefff
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What about the transfer case? Does it really need to be dropped if you put on a 2" spacer lift?

btw: kdhutton, that was a good explanation!
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