Leveling Kit and Tires Problem
Senior Member
Joined: Feb 2010
Posts: 110
Likes: 0
From: Nothern British Columbia
I have a 2010 Fx4 Screw with a 2 inch AS kit in the front and have 295/65R18's Goodyear Dura Tracs.
I told the dealer about the problem and they tried to calibrate the system to the new tire size but they stated that with this tire the closest option was the stock setting so they left it alone.
I have also had the TC kick in the odd time when the vehicle is off level and going down a grade....there is one place in town that this happens every time.
I also just pulled a 20 foot travel trailer 5000 KM and this issues was noticed on several of these "downhill with a slight turn" spots.....
Something that doesn't bother me too much but it would be nice to find a solution without taking everything off or getting a tune.
J
I told the dealer about the problem and they tried to calibrate the system to the new tire size but they stated that with this tire the closest option was the stock setting so they left it alone.
I have also had the TC kick in the odd time when the vehicle is off level and going down a grade....there is one place in town that this happens every time.
I also just pulled a 20 foot travel trailer 5000 KM and this issues was noticed on several of these "downhill with a slight turn" spots.....
Something that doesn't bother me too much but it would be nice to find a solution without taking everything off or getting a tune.
J
Senior Member
Joined: Jul 2009
Posts: 321
Likes: 0
From: Quispamsis, NB
I have a 2009 F150, Platinum SuperCrew and installed the AS 2" spacers. Now my front end sits 1" higher than the rear. If I had to do it over again I would go with the 1-1/2" spacers as I was just trying to get it to set level (I have before and after photos in my photo album).
The stock Pirelli Scorpion ATV P275/55 R20 111 S M+S tires are equivelant to 32.5" tires so I don't see why 33" tires would be any problem to install. When these stock tires wear out I want to go with BFG 33" x 12.50 A/T tires. Either those or Pro Comps. I ran Pro Comp A/T's on my old '92 F-150 for years but usually had unusual wear issues with then so I want to try the BFG's next. My '09 is basically a 99.5% paved road truck. I use my '87 Blazer for the real dirty off-road work. If I'm wrong about the BFG 33's fitting on stock rims I'd sure like to hear from anyone who has had FIRST HAND experience with them.
The stock Pirelli Scorpion ATV P275/55 R20 111 S M+S tires are equivelant to 32.5" tires so I don't see why 33" tires would be any problem to install. When these stock tires wear out I want to go with BFG 33" x 12.50 A/T tires. Either those or Pro Comps. I ran Pro Comp A/T's on my old '92 F-150 for years but usually had unusual wear issues with then so I want to try the BFG's next. My '09 is basically a 99.5% paved road truck. I use my '87 Blazer for the real dirty off-road work. If I'm wrong about the BFG 33's fitting on stock rims I'd sure like to hear from anyone who has had FIRST HAND experience with them.
I've got 33.2" BFG AT's on stock rims, they fit fine, they aren't quite 12.5 though, they are 275/70/18.
Senior Member
Joined: Feb 2009
Posts: 584
Likes: 0
From: Uxbridge, Ontario
A 275 series is not even 11" wide.
Anyone who want to run OEM 20s will rub with a 305 (12 to 12.5") wide tire. You, in most cases will be fine with a 285 series tire until you get over a 34" tall tire... pretty much anything over 33.5" will start to rub somewhere... again this is with OEM/ stock 20s (44mm offset 8.5" wide wheel)
With the OEM 18s, you have a little more room to play with. 295 is the ideal max width, but you can squeak in a 305series 33" tall (305-65-18). This is because the offset on the 18s is 35mm but with only an 8" wide wheel. So you basically have an extra 1/2 or so clearance between the wheel edge and LCA.
Hope this clears up some of the questions.... Also, a 35" tire (no matter what tire width) on stock rims will rub somewhere.
Anyone who want to run OEM 20s will rub with a 305 (12 to 12.5") wide tire. You, in most cases will be fine with a 285 series tire until you get over a 34" tall tire... pretty much anything over 33.5" will start to rub somewhere... again this is with OEM/ stock 20s (44mm offset 8.5" wide wheel)
With the OEM 18s, you have a little more room to play with. 295 is the ideal max width, but you can squeak in a 305series 33" tall (305-65-18). This is because the offset on the 18s is 35mm but with only an 8" wide wheel. So you basically have an extra 1/2 or so clearance between the wheel edge and LCA.
Hope this clears up some of the questions.... Also, a 35" tire (no matter what tire width) on stock rims will rub somewhere.
Last edited by F_ast; May 12, 2010 at 10:03 AM.
Senior Member
Joined: Feb 2009
Posts: 584
Likes: 0
From: Uxbridge, Ontario
I have a 2010 Fx4 Screw with a 2 inch AS kit in the front and have 295/65R18's Goodyear Dura Tracs.
I told the dealer about the problem and they tried to calibrate the system to the new tire size but they stated that with this tire the closest option was the stock setting so they left it alone.
I have also had the TC kick in the odd time when the vehicle is off level and going down a grade....there is one place in town that this happens every time.
I also just pulled a 20 foot travel trailer 5000 KM and this issues was noticed on several of these "downhill with a slight turn" spots.....
Something that doesn't bother me too much but it would be nice to find a solution without taking everything off or getting a tune.
J
I told the dealer about the problem and they tried to calibrate the system to the new tire size but they stated that with this tire the closest option was the stock setting so they left it alone.
I have also had the TC kick in the odd time when the vehicle is off level and going down a grade....there is one place in town that this happens every time.
I also just pulled a 20 foot travel trailer 5000 KM and this issues was noticed on several of these "downhill with a slight turn" spots.....
Something that doesn't bother me too much but it would be nice to find a solution without taking everything off or getting a tune.
J
Senior Member
Joined: Dec 2009
Posts: 266
Likes: 0
From: Merritt Island, Fla.
A 275 series is not even 11" wide.
Anyone who want to run OEM 20s will rub with a 305 (12 to 12.5") wide tire. You, in most cases will be fine with a 285 series tire until you get over a 34" tall tire... pretty much anything over 33.5" will start to rub somewhere... again this is with OEM/ stock 20s (44mm offset 8.5" wide wheel)
With the OEM 18s, you have a little more room to play with. 295 is the ideal max width, but you can squeak in a 305series 33" tall (305-65-18). This is because the offset on the 18s is 35mm but with only an 8" wide wheel. So you basically have an extra 1/2 or so clearance between the wheel edge and LCA.
Hope this clears up some of the questions.... Also, a 35" tire (no matter what tire width) on stock rims will rub somewhere.
Anyone who want to run OEM 20s will rub with a 305 (12 to 12.5") wide tire. You, in most cases will be fine with a 285 series tire until you get over a 34" tall tire... pretty much anything over 33.5" will start to rub somewhere... again this is with OEM/ stock 20s (44mm offset 8.5" wide wheel)
With the OEM 18s, you have a little more room to play with. 295 is the ideal max width, but you can squeak in a 305series 33" tall (305-65-18). This is because the offset on the 18s is 35mm but with only an 8" wide wheel. So you basically have an extra 1/2 or so clearance between the wheel edge and LCA.
Hope this clears up some of the questions.... Also, a 35" tire (no matter what tire width) on stock rims will rub somewhere.
I have a 2" AS leveling kit in my '09 Screw. I was wanting to install BFG A/T's LT305/55R20E ( 33.2" x 12" ) but are you saying then that they will rub even with the 2" spacers? I guess my next choice would have to be their LT285/65R20E tires ( 32.3" x 11.2" ) then? I will be using my stock 20" Platinum rims.
Senior Member
Joined: Feb 2009
Posts: 584
Likes: 0
From: Uxbridge, Ontario
F_ast,
I have a 2" AS leveling kit in my '09 Screw. I was wanting to install BFG A/T's LT305/55R20E ( 33.2" x 12" ) but are you saying then that they will rub even with the 2" spacers? I guess my next choice would have to be their LT285/65R20E tires ( 32.3" x 11.2" ) then? I will be using my stock 20" Platinum rims.
I have a 2" AS leveling kit in my '09 Screw. I was wanting to install BFG A/T's LT305/55R20E ( 33.2" x 12" ) but are you saying then that they will rub even with the 2" spacers? I guess my next choice would have to be their LT285/65R20E tires ( 32.3" x 11.2" ) then? I will be using my stock 20" Platinum rims.
This is of my 09 FX4 with OEM 20s from an 07 f150... but they have the same wheel specs as the 09-10s
