How much lift on my X to fit 37x12.5x17 tires? - Diesel Forum - TheDieselStop.com
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Power Stroke Excursions Technical discussion of the Ford Excursion SUV with the Power Stroke diesel.

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Old 10-15-2010, 06:34 AM   #1 (permalink)
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How much lift on my X to fit 37x12.5x17 tires?

Just need some help here. Want to lift my excursion and keep getting alot of different answers. How much lift do I need to fit 37's? Some manufacturers say 8" and others say it will work with 6". Any help would be appreciated. Thanks.

Tom
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Old 10-15-2010, 11:49 AM   #2 (permalink)
 
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Min a 7" lift..your going to need a new rear driveshaft ..
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Old 10-16-2010, 02:03 PM   #3 (permalink)
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I would do the 8" lift.
I have 37x13.50 tires w/ 20x10 wheels and -43 offset....and and times my tire hits the inner front fenderwell.
I'm looking into adding 2 more inches to the existing lift.
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Old 10-18-2010, 01:16 PM   #4 (permalink)
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Superlift tech are telling me no rubbing on a 37" x12.5 tire if I run their 7" suspension kit Going to play it safe and run a BFG KM2 345/75/16 (36.4")with a 4.5 backspacing on a 9" wheel. Superlift also says no driveshaft mods? Anyone else running this lift and having driveshaft issues?

Thanks for all of the info.

Tom
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Old 10-18-2010, 05:54 PM   #5 (permalink)
 
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Good luck I wouldn't try it..most lift companys don't understand the Ex and just sell you a truck lift..not going to cut it.
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I specialize in performance and suspension mods.

We developed the Reverse Shackle SD spring swaps for D60 '85-04 and D60 '05 up axle swap with suspension for the OBS.
We developed the B mod, Bilstein special valving, suspension and handling cures for the Excursions.

We know what it takes to make a OBS or SD ride fantastic!

We only carry the BEST parts and never compromise just to get a sale.

Dealer for: Custom kit H2e and H2e modded turbos, Full Force Diesel Injectors! Icon, Pure Performance, Bilstein, RS-SD and 99 up suspension swaps kits for OBS and SD trucks, BTS Trans, Tunes by Tony Wildman , Tymar products, Hella lighting, True Projection Hid's, Isspro guage kits, If I can help you with your truck please PM or Email me.

Cary
email: ctperformanceinc@yahoo.com
Website: http://www.ctperformanceinc.com introduction only, we want personal contact to insure you get what you need.
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Old 10-22-2010, 05:34 PM   #6 (permalink)
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If I could do it again I would have done the 10" lift BDS sells w/ the same tires and wheels.
Keep us posted and take some pics.
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Old 12-12-2010, 10:00 PM   #7 (permalink)
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I don't think you could lift it that high and not modify the rear drive shaft. At 6 1/2 inches I occasionally get rear driveline vibrations.
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Old 12-18-2010, 12:42 AM   #8 (permalink)
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I have the 7" super lift on my 01 excursion(havnt changed my signature yet) with 37 12.5 20 nit to terra grapplers they rub pretty good on the front inners when just before lock.....and I'm pretty sure there were no alterations to my drivshaft(bought the truck done) but have looked it over pretty well........
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Old 01-13-2011, 12:48 PM   #9 (permalink)
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Hmmm...I have the BDS 6" all-spring lift and 37x13.50 Nittos and they only rub at full lock when reversing. Wheels are 20x10, et -25.
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Old 01-14-2011, 01:53 PM   #10 (permalink)
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If you get the glassworks fenders you can do it with about 3" of lift. Guy by the name of JDHolder had a Ex with 5" of lift, the fenders, and 40" tires stuffed under it. The fenders are about $400 right now.
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