need help on rim offset choice - Ford Powerstroke Diesel Forum
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post #1 of 16 Old 07-23-2009, 06:22 PM Thread Starter
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need help on rim offset choice

i am about to buy a set of 20x9 jesse james lawless 8 +12 offset. what will these look like compared to stock 20s. will they have a dish or lip at all? like how far will they stick out vs stock? or should i go with the 20x10 with -43 off set. i dont want them to stick out crazy far like a roller skate look.i have an 2008 f 350 with 2 inch leveling kit. 35-12.50-20 toyo mt.
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post #2 of 16 Old 07-23-2009, 06:28 PM
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20x9 with +12mm offset is 5.5" Back Space. They will stick out 1-1.5" further than the stock wheels.


20x10 with -43m offset is approx 3.81" Back Space. These would stick out approx. 4" further than stock wheels....and may have some rubbing issues with only a 2" lift.
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post #3 of 16 Old 07-23-2009, 06:31 PM
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Negative numbers will give you a bigger/deeper dish positive numbers will give a smaller/shallower dish. The wheels I have are -24 and the tires are 35's, this combination makes the tire stick out about 1-1/2 inches on my truck.

Not sure what the offset is on the stock wheels, my guess is that the 20x9 (+12) will be about flush with the fender well, give or take a PH.

BTW, offsets are measured in millimeters.

Shaun

'08 F250 6.4L Lariat 4x4 CC/SRW fully loaded, special ordered
6" Fabtech 2.25 dual shock lift w/18" AR wheels, 35" Toyo AT's
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post #4 of 16 Old 07-23-2009, 06:35 PM
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Quote:
Originally Posted by DCSpecial View Post
20x9 with +12mm offset is 5.5" Back Space. They will stick out 1-1.5" further than the stock wheels.
DC, is 5-1/2" correct? Sounds high to me.

Shaun

'08 F250 6.4L Lariat 4x4 CC/SRW fully loaded, special ordered
6" Fabtech 2.25 dual shock lift w/18" AR wheels, 35" Toyo AT's
Avic-Z2 Nav/Stereo w/iPod, Bluetooth, XM NavTraffic
(2) Rear headrest mnt DVD entertainment systems
Line-X bedliner
Banks CAI, Dual Exhaust, Six-Gun, Speed Brake & iQ (test vehicle)
Bushwacker Fender Flares
Ravelco Anti Theft Device

Quote:
Originally Posted by Rick Santorum
We went into a recession in 2008 because of gasoline prices.
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post #5 of 16 Old 07-23-2009, 06:35 PM Thread Starter
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i cant find a picture of them any where. like to see what the rim looks like on truck
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post #6 of 16 Old 07-23-2009, 06:46 PM
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This is what mine look like, wheels are 18x9.5 (-24).


Shaun

'08 F250 6.4L Lariat 4x4 CC/SRW fully loaded, special ordered
6" Fabtech 2.25 dual shock lift w/18" AR wheels, 35" Toyo AT's
Avic-Z2 Nav/Stereo w/iPod, Bluetooth, XM NavTraffic
(2) Rear headrest mnt DVD entertainment systems
Line-X bedliner
Banks CAI, Dual Exhaust, Six-Gun, Speed Brake & iQ (test vehicle)
Bushwacker Fender Flares
Ravelco Anti Theft Device

Quote:
Originally Posted by Rick Santorum
We went into a recession in 2008 because of gasoline prices.
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post #7 of 16 Old 07-23-2009, 06:57 PM
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Quote:
Originally Posted by smotrs View Post
DC, is 5-1/2" correct? Sounds high to me.

Yep, 9" wide +12mm offset equals 5.5" Back Space.


Only way to get less Back Space with the given +12mm offset would be with a skinnier wheel. If it was 8" wide it would be a 5.0" Back Space.
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post #8 of 16 Old 07-23-2009, 06:59 PM
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Hmm, ok. Thanks for clarifying.

Shaun

'08 F250 6.4L Lariat 4x4 CC/SRW fully loaded, special ordered
6" Fabtech 2.25 dual shock lift w/18" AR wheels, 35" Toyo AT's
Avic-Z2 Nav/Stereo w/iPod, Bluetooth, XM NavTraffic
(2) Rear headrest mnt DVD entertainment systems
Line-X bedliner
Banks CAI, Dual Exhaust, Six-Gun, Speed Brake & iQ (test vehicle)
Bushwacker Fender Flares
Ravelco Anti Theft Device

Quote:
Originally Posted by Rick Santorum
We went into a recession in 2008 because of gasoline prices.
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post #9 of 16 Old 07-23-2009, 06:59 PM Thread Starter
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you guys are talking in japanise. i just was wondering if its going to have a little wider stance than stock. i dont like the flush rim look. but i dont want a real deep dish either that sticks way out
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post #10 of 16 Old 07-23-2009, 07:34 PM
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TruckToyz Performance Image Viewer

Those are the same spec wheels you are looking at. If I could have found a set, I would of ran them, but all I could find were 20x10s with the -43 offset.

2008 Ford F-350 XLT Regular Cab-Built motor, 4r100 swap and big triples in progress @Maryland Performance Diesel

2008 Ford F-250 FX4 CCSB-Stock and for sale
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