Noob about Tires/Rim size - JeepForum.com

 
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post #1 of 7 Old 06-23-2013, 02:25 PM Thread Starter
bwatson
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Noob about Tires/Rim size

hey everyone, sorry I've been asking a lot of dumb questions but i'm what you might call "mechanically retarded" and i'm trying to learn. so I'm trying to buy rims for my 94 ZJ and my friend says I need to know the bolt pattern, center bore, and factory offset. what I've found is the bolt pattern is 5x4.5 and the center bore is 71.5mm but I can't find the offset. i'm going to be buying 17x8 rims and try to fit tires that basically measure to about 33 11.2 according to the tire shop. if those don't fit then it's 33 10.5s... can somebody PLEASE tell me the factory offset? any advice/suggestions?

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post #2 of 7 Old 06-23-2013, 02:41 PM
Texas ZJ1
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Unless you have a limited, the 94ZJs came with stock with 15 x 7 inch rims with 5 x 4.5 bolt pattern with 5.5 inches of backspacing. Your 32 inch tires will not fit into your wheel wells stock. Nor will the 33 x 10s.

Have you looked at the faqs page to see what fits and what doesn't?

Hunter

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post #3 of 7 Old 06-23-2013, 02:43 PM
Texas ZJ1
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Backspacing and offset are the same thing using different words.

Most ZJs will run 15 x 8s with 3.75 of backspacing for 32s or bigger.

Hunter

04 4.7 HO, limited

08 Z71 Suburban, front leveling kit with rear spacers. 285/65 18s Nitto TerraGrappler G2s

94 5.9 Laredo 6.5 RE lift with 35 Maxxis Bighorns
and 33 Bridgestone Duelers
Detroit and true trac
Red Jeep Club Member
REDNECK JCM
Texas Jeep Owner #6
USN Jeep Club #4
http://www.kevinsoffroad.com/
602.841.3355

For your performance needs:

kolak@kolakperformance.com
480.998.366
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post #4 of 7 Old 06-23-2013, 03:08 PM Thread Starter
bwatson
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Join Date: May 2013
Location: Billings
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same thing this whole time?! told you i'm a noob haha, thanks. well I have a 4" RC lift that i'm getting installed next week. I was going to buy some 17's and the tire guy said i'll have to bring it in and he'll see what tires he can fit on it.
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post #5 of 7 Old 06-23-2013, 03:35 PM
Texas ZJ1
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That paints an entirely different picture.

With the 4 inch lift, the 32s will fit no problem. You'll still need rims with less backspacing that stockers. 3.75 is perfect or even 4 inches.

Hunter

04 4.7 HO, limited

08 Z71 Suburban, front leveling kit with rear spacers. 285/65 18s Nitto TerraGrappler G2s

94 5.9 Laredo 6.5 RE lift with 35 Maxxis Bighorns
and 33 Bridgestone Duelers
Detroit and true trac
Red Jeep Club Member
REDNECK JCM
Texas Jeep Owner #6
USN Jeep Club #4
http://www.kevinsoffroad.com/
602.841.3355

For your performance needs:

kolak@kolakperformance.com
480.998.366
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post #6 of 7 Old 06-23-2013, 06:08 PM Thread Starter
bwatson
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Location: Billings
Posts: 11
sweet thanks.. when ordering rims do i need to match center bore, offset and backspacing? because almost every wheel i find says 0 offset and 4.5" backspacing and i need -19 offset with 4" backspacing..
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post #7 of 7 Old 06-23-2013, 06:52 PM Thread Starter
bwatson
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Location: Billings
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and my center bore is 71.5mm which comes out to 2.81" and all the rims i'm seeing say 3.27.. going for 17x8 rims if that helps
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