7" lift.... 38 15.5's?? - Ford Powerstroke Diesel Forum
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Old 05-09-2012, 06:03 PM
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7" lift.... 38 15.5's??

So i have a 4" procomp lift, with the 2.8" mini packs, blocked in the rear to match.. i'm running 325-80/16 falken wild peaks right now and the tires look tiny. i picked up some 20x12 rockstar rims brand new.... i'm trying to figure out what tires to get, but i'm trying to figure out if 38-15.50/20's will clear. i'm assuming the rim has a good offset on it, but is there any good way to try and estimate this out?? i know i'll need fender flares, but i didn't want to do cutouts. i'll try and get better pictures soon. i don't mind cutting the bumper, i'm sure i'll have to.. any thoughts??

i know this is a contradicting.. but i want it bigger i just don't want it to stand out too ridiculously (po po's)

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Old 05-09-2012, 06:27 PM
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on my 03 I ran a 6' with 38's and 20x12 rockstars with the 4.53 backspace, and had to add a 2' shackle hanger kit and space the bumper out a little so it wouldn't rub
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Old 05-09-2012, 06:33 PM
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how bad was the rub before? i'm assuming the rear's fine its just turning?
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Old 05-09-2012, 11:18 PM
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What year is your truck? Leaf spring SD will rub with 15.5" tires. I suggest 37s but you can always buy wheel spacers to make clearance if you do have leafs in the front.

38s will rub when you offroad I have had my 37s rubbing with a 8" kit before.
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Old 05-10-2012, 03:35 AM
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I dont offroad at all so no worries there.. the rims should have a good offset so i'm hoping it pushes them out, how bad would they rub on the springs? just at full turn?
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Old 05-11-2012, 06:38 AM
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20x12 Rockstars have a -44 offset..
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Old 05-11-2012, 08:32 AM
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my mistake. i looked at them again, they are 20x10 -24
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Old 05-12-2012, 09:46 AM
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I can't remember what rims and backspacing, but my buddy had a 2003 f350 6.0 7" icon kit and had 38x15.5 tires and they rubbed at full lock.

Just something to think about man. When I bought my truck It has a poor lift it on it and I couldn't stand my truck making that ugly rubbing noise. Each to his own tho!
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Old 05-12-2012, 08:31 PM
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I have 8 inch lift with 38s with 2 inch spacers and still rub the inner wheel wells if I have the wheel cut and hit a bump.
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Old 05-12-2012, 09:24 PM
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The spacers will increase the risk of rubbing the fender liners. To prevent (or at least reduce the chance) rubbing the springs, a higher arch spring is needed.
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