finally got my 32" a\t, have some questions now

1035 Views 8 Replies 5 Participants Last post by big jeep'n, Oct 23, 2001

big jeep'n

Discussion Starter · Oct 22, 2001

well i finally got my 32's mounted on my 15x7 rims...now i have to questions..

#1. is it normal for the ride to be alot stiffer when u add bigger tires?..what psi should i run it @ and will it help if i air down a bit?

#2. i seem to have come across a problem...is there any way to i can mount my 32" spare on my stock tire carrier?...i have a 93 YJ with a TJ bumper on it but it won't fit cuz the tire hits the bumper?

any ideas or help will be much appreciated

allan

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93 YJ, 4" Pro Comp Lift with 32's. Formally known as Stock Black YJ

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big jeep'n

Discussion Starter · #2 · Oct 23, 2001

i guess this would solve my spare tire question...

spare tire relocating bracket

is there any other ways?

allan

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93 YJ, 4" Pro Comp Lift with 32's. Formally known as Stock Black YJ

[This message has been edited by big jeep'n (edited October 22, 2001).]

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Greg W

· #3 · Oct 23, 2001

You just need to add in spacers under your existing tire carrier. Cut up some 1x1 square (can get it from metal mart) and you should be in business. I think that's all I used if I remember correctly.

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big jeep'n

Discussion Starter · #4 · Oct 23, 2001

maybe spacer and longer studs? what do u think there greg?

allan

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93 YJ, 4" Pro Comp Lift with 32's. Formally known as Stock Black YJ

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Chris S

· #5 · Oct 23, 2001

The trick to choosing air pressure is to realize that it's the air volume that supports your rig, not the pressure. A large tire holds more air volume at a given pressure, so you reduce the pressure until you get the right volume. Your shop probably put 40 psi in your tires to make sure the beads seat. I'd guess 28 or so would be more appropriate.
Get a piece of chalk and draw a line across your tread (shoulder lug to shoulder lug), then drive a few feet. The lowest pressure where the entire chaulk line get's scrubbed is you lower limit for street driving and gives the softest ride. The highest pressure where the entire line gets scrubbed is you max street pressure. This is good for low resistance on the highway, but will make for a rough ride. Find a compromise between ride and resistance between the two pressures.

As for the tire hitting the bumper, If moving the tire away from the Jeep slightly would help you could knock the studs off the tire carrier and install longer ones. If it's only a touch too big then letting some air out of the spare might get it to fit.

Aside from that, buy a spacer or get someone to build one for you.

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Chris S.
2002 KJ - staying stock (almost)
2000 TJ - 2" suspension lift, 1/2" body lift, assorted skids, hooks, rock rails, rock lights, 33" BFG MTs, custom bumper, Warn 8274
Mud Puppy's Jeep site

[This message has been edited by Chris S (edited October 22, 2001).]

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big jeep'n

Discussion Starter · #6 · Oct 23, 2001

well i finally got my spare tire on last night but i cheated...i just deflated the tire so it fits..i will probably add longer studs and a spacers on the weekend to actually make it fit better...i notice that when i had the tire on and i open my tail gate there seemed to be alot of stress on the tail gate...is that going to be ok...how big of tire do u guys think is the max a stock tail gate can handle?

allan

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93 YJ, 4" Pro Comp Lift with 32's. Formally known as Stock Black YJ

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AndrewH

· #7 · Oct 23, 2001

keep in mind that adding a spacer will increase the weight on the tail gate (increase in leverage). i would say that 31" spare would be max but hey that is just my opinion. i had a 32" on my stock gate and it really took a toll on the hinges after a month or so. the tail gate was not made for that sort of stress especially when bouncing down the trail. if you go wheeling anytime soon i would just throw the spare in the back tub and not worry about it. you can fit a 36 back there with no problems ~ just take out the seat!

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'93 sahara ~ rancho springs, SOA, EB axles, detroit, 35s, and hi steer in the works

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lars

· #8 · Oct 23, 2001

CornJeeper is right. The 32" tire will start to fatique the hinges and sheet metal on your tailgate. A bumper/carrier combo should be on your wish list. You'll need a stronger bumper to act as a recovery point, anyway. <g>

In the meantime, you can strap the tire down in the back of your Jeep (use the seatbelts, they should be strong enough).

As for Greg W's suggestion about the 1" extension, I don't think it would apply to your setup since you have the TJ bumper. With the YJ bumperettes, the larger spare could hang down between the two bumperettes. The only issue with the 32" tire was the extra width so you had to move the mount 1" further out so you could thread the lug nuts onto the studs.

...lars

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19911995409993004:144444.103512.58274

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big jeep'n

Discussion Starter · #9 · Oct 23, 2001

yeah i was thinking the same thing to lars.. i need a bumper\tire rack...well better start saving my pennies again...

allan

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93 YJ, 4" Pro Comp Lift with 32's. Formally known as Stock Black YJ

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