4" lift 285's QT1 - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 5 (permalink) Old 02-08-2009, 10:27 AM Thread Starter
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Arrow 4" lift 285's QT1

im going to put a 4" lift with 285's or 265's on my 06 commander. will it mess with the QT1 system at all do i need to get a reprogramer or re-gear it
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post #2 of 5 (permalink) Old 02-08-2009, 11:49 AM
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Originally Posted by Meat_wad_2die4 View Post
im going to put a 4" lift with 285's or 265's on my 06 commander. will it mess with the QT1 system at all do i need to get a reprogramer or re-gear it
I would definately recommend re-gearing to 3.73 gears which you can easily get from the dealer and then just have it reprogramed for the larger tires and gears.




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post #3 of 5 (permalink) Old 02-08-2009, 01:19 PM Thread Starter
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Do you know what gears it comes with the factory 06 3.7 commander and are you saying re-gear it beacuse of the power problem or becuase it will mess with the QT1 system what would you say the biggest tire i should run without re-gearing it

also do you still have your lift and tire set for sale? do you have a price?
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post #4 of 5 (permalink) Old 02-08-2009, 04:50 PM
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Quote:
Originally Posted by Meat_wad_2die4 View Post
Do you know what gears it comes with the factory 06 3.7 commander and are you saying re-gear it beacuse of the power problem or becuase it will mess with the QT1 system what would you say the biggest tire i should run without re-gearing it

also do you still have your lift and tire set for sale? do you have a price?
The 3.7 Liter Commanders all come with 3.07 gears. I recommended for you to re-gear to the 3.73's found in the 4.7 Liter Commanders because of the power loss youll have running the 4 inch lift with that big of a tire. Lifting the Commander 4 inches and having that size tire will not effect the QT I system in any way other then the power loss of having the larger tires with the small v6 engine and 3.07 gearing.




2007 4.7 Liter XK | Front OME MD Springs w/Superlift Preload Spacer | Rear 4" Superlift Springs | Bilstein 5125 Rear Shocks | JBA UCA's | Rusty's Rear Adjustable Track Bar | Black Rock 997 Wheels | Fred Goeske 1/4 Inch Wheel Spacers | 305/70R17 Goodyear Wrangler MT/R w/Kevlar | Airflow Snorkel | Flowmaster 40 Series Muffler | Superchips Flashpaq | Mopar Skids | 4xGuard Belly Guard | American Rebel Rear Diff Cover | Rear Powertrax No-Slip | Front E-Locker | Rear Heat/AC Delete
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post #5 of 5 (permalink) Old 02-08-2009, 07:33 PM
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With the EGR from superlift, you can fix your odometer and keep the ESP under control.
There is a guy on JU that has a WK with the 4'' superlift and 285's with no problems, he does wheel it hard. I believe he has the 307's
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