How to determine offset needed - Ford Powerstroke Diesel Forum
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post #1 of 12 Old 04-19-2010, 07:02 PM Thread Starter
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How to determine offset needed

I have a 2004 f250 with a 2.5" leveling kit. I currently am running 305/70/16 on stock rims and have clearance still. I want to run 18x9s with 35s. How do I determine what offset I need?

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post #2 of 12 Old 04-20-2010, 11:47 AM
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post #3 of 12 Old 04-20-2010, 02:42 PM
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Shoot for a -6 to a -10mm on a 9" wide wheel. Some modifications will probably be needed.

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post #4 of 12 Old 04-20-2010, 04:47 PM
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-12mm on a 9". I have 33x13x18s, with an 18x9 wheels with 4.5" backspace (-12mm) and I rubbed without trimming my lower valnce and zip tying the fender walls back.

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post #5 of 12 Old 04-26-2010, 10:38 AM Thread Starter
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thanks

Thank you everyone.

2004 F250 CC SB 6.0
SCT X3 Custom Tuned: Eric@IDP, Matt@GearHead
Edge Insight Monitor w/EGT Probe
Zoodad Mod
High Idle Mod
Tough Country 2.5" Front Leveling Kit
MBRP Turbo back exhaust and a dead cat
ARP Studs
New Oil Cooler and EGR cooler
Dieselsite Coolant Filter Kit
305/75/16 Nitto Dune Grappler
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post #6 of 12 Old 11-16-2010, 04:53 PM
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i have a 2004 f250 i wana lift it 4 inches with 35x12.50 what is the offset i can get to have the tires stick out as far as possible without them rubbing i would like them to stick out like 2 inches but idk if thats possible without a higher lift
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post #7 of 12 Old 11-17-2010, 05:49 AM
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With a 4" lift shoot for a 9" wide wheel with a -12mm offset. If you go with a slightly shorter tire you could run a 10" wide wheel with a -25mm offset (without rubbing).

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post #8 of 12 Old 03-24-2012, 12:06 AM
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I'm putting a 6" lift and I plan on getting 22x9.5 with 37s. What offset would be best? I'm a retard when it comes to tires and wheels. Lol
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post #9 of 12 Old 03-24-2012, 08:34 AM
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^
Most 22x9.5" wide wheels are going to have a -12mm offset (4.75" BS).

What year and model truck for you have?

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post #10 of 12 Old 03-24-2012, 08:45 AM
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2008 f250 4x4
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