7" lift.... 38 15.5's?? - Ford Powerstroke Diesel Forum
Suspension & Steering Discuss OEM & aftermarket suspension, lifts, air ride suspension, shocks, steering components, etc.

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post #1 of 14 Old 05-09-2012, 05:03 PM Thread Starter
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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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2002 F150 4.6L AUTO RCSB

SOLD:2004 F250 CCSB SRW 6.0 PSD AUTO
EGR Delete Kit / Livewire and EGT
Hercules FICM / ID Extreme / Vivian's Looney / Spartan Hybrid Race
A-Pillar 3 Gauge Pod w/ Fuel Pressure, Boost, Trans Temp
4" Turbo Back Straight Pipe / Blue Spring / 6.4 Banjos
7" Pro Comp Lift and Leveling / Zone Adj. Track Bar
36/15.50 Baja Claws on 20" Rockstars
13.882 @ 95.25 mph running 285 AT's
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post #2 of 14 Old 05-09-2012, 05:27 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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post #3 of 14 Old 05-09-2012, 05:33 PM Thread Starter
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how bad was the rub before? i'm assuming the rear's fine its just turning?

2002 F150 4.6L AUTO RCSB

SOLD:2004 F250 CCSB SRW 6.0 PSD AUTO
EGR Delete Kit / Livewire and EGT
Hercules FICM / ID Extreme / Vivian's Looney / Spartan Hybrid Race
A-Pillar 3 Gauge Pod w/ Fuel Pressure, Boost, Trans Temp
4" Turbo Back Straight Pipe / Blue Spring / 6.4 Banjos
7" Pro Comp Lift and Leveling / Zone Adj. Track Bar
36/15.50 Baja Claws on 20" Rockstars
13.882 @ 95.25 mph running 285 AT's
**Friends Don't Let Friends Drive Stock**
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post #4 of 14 Old 05-09-2012, 10:18 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.

2004 F350 PSD
8" Icon, Loud Pipe, 58v FICM, Deleted, MudGrapplers, Edge Insight, Sct tuned by Vivian.

2011 F350 PSD
AFE , Airbags, Recon, BMF , Nitto,
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post #5 of 14 Old 05-10-2012, 02:35 AM Thread Starter
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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?

2002 F150 4.6L AUTO RCSB

SOLD:2004 F250 CCSB SRW 6.0 PSD AUTO
EGR Delete Kit / Livewire and EGT
Hercules FICM / ID Extreme / Vivian's Looney / Spartan Hybrid Race
A-Pillar 3 Gauge Pod w/ Fuel Pressure, Boost, Trans Temp
4" Turbo Back Straight Pipe / Blue Spring / 6.4 Banjos
7" Pro Comp Lift and Leveling / Zone Adj. Track Bar
36/15.50 Baja Claws on 20" Rockstars
13.882 @ 95.25 mph running 285 AT's
**Friends Don't Let Friends Drive Stock**
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post #6 of 14 Old 05-11-2012, 05:38 AM
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20x12 Rockstars have a -44 offset..

2008 F250 FX4 CC SB Black on Black STOCK and SLOW...Rolled over and TOTALED...

2008 White with Black interior FX4 CCSB
Black C6 Vette
As far as actual HP numbers I have no idea. It don't snap your neck but.....It feels good.
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post #7 of 14 Old 05-11-2012, 07:32 AM Thread Starter
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my mistake. i looked at them again, they are 20x10 -24

2002 F150 4.6L AUTO RCSB

SOLD:2004 F250 CCSB SRW 6.0 PSD AUTO
EGR Delete Kit / Livewire and EGT
Hercules FICM / ID Extreme / Vivian's Looney / Spartan Hybrid Race
A-Pillar 3 Gauge Pod w/ Fuel Pressure, Boost, Trans Temp
4" Turbo Back Straight Pipe / Blue Spring / 6.4 Banjos
7" Pro Comp Lift and Leveling / Zone Adj. Track Bar
36/15.50 Baja Claws on 20" Rockstars
13.882 @ 95.25 mph running 285 AT's
**Friends Don't Let Friends Drive Stock**
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post #8 of 14 Old 05-12-2012, 08:46 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!

2004 F350 PSD
8" Icon, Loud Pipe, 58v FICM, Deleted, MudGrapplers, Edge Insight, Sct tuned by Vivian.

2011 F350 PSD
AFE , Airbags, Recon, BMF , Nitto,
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post #9 of 14 Old 05-12-2012, 07:31 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.

this is wallie (grey truck)04 ccsb 6.0 4x4 f250 8 inch lift 38s edge insight cts,sct sf3,egr delete,cat delete,warren 175s,arp studs,oem head gaskets , stock turbo .s&b intake,4" mbrp straight pipe. (Red truck) this is Eva 01 ccsb 4x4 f250 5.4 6 inch lift 33" tires super turd lol
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post #10 of 14 Old 05-12-2012, 08:24 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.

2004 F-350, 4x4, SC, LB, 6.0PSD, 6spd
Changed some stuff
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