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Old     (jarrod)      Join Date: May 2003       12-20-2018, 12:11 PM Reply   
I currently have a Ram 2500 Cummins and I'm running 33X10.5 tires with a leveling kit, and tied back inner fenders. Has anyone tried running 35 X 12.5s without a lift and without rubbing? Specifically, anyone with a pre 2013? The reason for the year is, the 2013 truck got new suspension which I believe made it sit higher from the factory.
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Old     (Padge)      Join Date: Feb 2017       12-20-2018, 3:09 PM Reply   
Quote:
Originally Posted by jarrod View Post
I currently have a Ram 2500 Cummins and I'm running 33X10.5 tires with a leveling kit, and tied back inner fenders. Has anyone tried running 35 X 12.5s without a lift and without rubbing? Specifically, anyone with a pre 2013? The reason for the year is, the 2013 truck got new suspension which I believe made it sit higher from the factory.


The rear will be fine, front will rub. Need at 3Ē leveling kit at least and still have to do some trimming
Old     (moon)      Join Date: Oct 2008       12-21-2018, 1:11 AM Reply   
What's the offset of your wheels? The front height of the newer 4th gens my be a tad taller, but I think the rubbing has more do with the offset of your rims. I bet you can run 35x12.5s with just a 2" leveling kit as long as the wheel's offset isn't to positive (as in stock offset) or a negative offset. A stock offset wheel and 35s will cause the tires to rub on the control arms, and going with a 0 to negative offset and 35s will push the wheels to far out causing the tires to rub somewhere on the fender. I say this because I just traded in a 3rd gen 2500 mega cab with a 2" leveling kit running on 35x12.5R20 with a +18 offset rim and it never rubbed. I traded in my mega cab for 2018 Ram 2500 crew cab and had the dealership install a 2" leveling and just swapped over my setup and still no rubbing. A good place to get an idea about what will work and what won't is customwheeloffset.com gallery. Here's my old truck.
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Old     (moon)      Join Date: Oct 2008       12-21-2018, 1:13 AM Reply   
And here's the new truck with the setup swapped over
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Old     (shawnmdarnell)      Join Date: Feb 2003       12-21-2018, 7:23 AM Reply   
Customwheeloffset.com is great. You can search your year and view tons of trucks with different applications. When you see a setup you like, all the specs for the build will be listed, including extra info like rubbing/no rubbing, trimming/no trimming, etc.
Old     (JCleary)      Join Date: Dec 2016       12-21-2018, 9:35 AM Reply   
A lot has to do with the wheel size, offset and backspacing.

I have a set of 20x9's with +18 offset and 5.75" backspace. I run 35.12.50's with no rub. I have a 1" lift in front.

My buddy has a similar truck with a 3" leveling kit. Runs the same tire as me, same wheel size at 20x9, but with 0 offset and 4.5" backspacing it still rubs even though its way taller than mine.

Just something to think about.
Old     (moon)      Join Date: Oct 2008       12-21-2018, 10:15 AM Reply   
Another good site to check out is www.wheel-size.com. It doesn't have a gallery, but it has a rim & tire size calculator that allows you to put in different wheel and tire parameters. You can compare OE setup to whatever wheel and tire setup you want.
Old     (jarrod)      Join Date: May 2003       12-21-2018, 1:20 PM Reply   
Thanks guys.
Old     (Padge)      Join Date: Feb 2017       12-22-2018, 5:58 AM Reply   
I am speaking from a truck that has 20x10ís. Itís worth the leveling kit and a little trimming for the look that 10 wides give compared to 9 wides imo.
Old     (markj)      Join Date: Apr 2005       12-22-2018, 8:50 AM Reply   
Quote:
Originally Posted by Padge View Post
I am speaking from a truck that has 20x10ís. Itís worth the leveling kit and a little trimming for the look that 10 wides give compared to 9 wides imo.
Nice wheels. Which brand are those?
Old     (Padge)      Join Date: Feb 2017       12-22-2018, 9:08 AM Reply   
Quote:
Originally Posted by markj View Post
Nice wheels. Which brand are those?


Thanks. Hostile.
Old     (moon)      Join Date: Oct 2008       12-22-2018, 5:30 PM Reply   
Looks good Padge!!!
Old     (Padge)      Join Date: Feb 2017       12-23-2018, 3:33 PM Reply   
Quote:
Originally Posted by moon View Post
Looks good Padge!!!


Thanks
Old     (jarrod)      Join Date: May 2003       01-09-2019, 11:49 AM Reply   
Definitely a great looking truck.

Update: I had a local shop test fit a BFG AT 35 X12.5, which actually measures out to 34.25". The tire rubbed to the point where it prevented a full left turn. I went with a 295 60 20 which measures out to 33.5 x 11.5". With my offset and the level kit on a 2011, that's as big as I can go.

Last edited by jarrod; 01-09-2019 at 11:55 AM. Reason: sacvasfb
Old     (adam4x4)      Join Date: Jan 2009       01-14-2019, 9:17 AM Reply   
Your trucks are to clean!! 2015 2500 rear air ride leveled with 35 X 12.5 X 20, Force Wheels 20X10 -24 off set. Had to do a little trimming of the plastic fender wells
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Old     (jarrod)      Join Date: May 2003       01-14-2019, 11:37 AM Reply   
Quote:
Originally Posted by adam4x4 View Post
Your trucks are to clean!! 2015 2500 rear air ride leveled with 35 X 12.5 X 20, Force Wheels 20X10 -24 off set. Had to do a little trimming of the plastic fender wells
Not always. But even if mine gets muddy, it doesn't stay that way for long. I can't put away anything dirty.

Cool truck.
Old     (chilidog)      Join Date: Dec 2007       01-14-2019, 10:34 PM Reply   
I have an 09 Ram 2500 with a 2" leveling kit and 35 x 12.5 and toyo a/t rear is fine, front only rubs on left turns at about 3/4 crank. I just let it rub, it rubs on the inner fender plastic and I'm used to it from years of running radius arm suspension on a previous truck that rubbed on both sides. I could prob trim it away and it wouldnt rub anymore. That being said I used to have BFG Mud Terrain 35x12.5 on same rims and didn't rub at all. I think the corners of the muds were more rounded than the a/ts

From what the leveling kit has done to my suspension geometry though I wouldn't run a leveling kit again. Spend the money (1K+) on a good 3" lift from Carli and keep the proper geometry and you'll have a truck that can handle freeway speed bumps properly, unlike mine that gets pretty sketch if I am unloaded and hit a pothole. Loaded its no factor.
Old     (flienlow)      Join Date: Dec 2015       01-16-2019, 6:07 PM Reply   
I have stock 17. 35X11.5 Nito ridge grapples on 20X9 with +20mm offset fuel wheels. No issues.
Old     (jarrod)      Join Date: May 2003       01-17-2019, 12:12 PM Reply   
Quote:
Originally Posted by flienlow View Post
I have stock 17. 35X11.5 Nito ridge grapples on 20X9 with +20mm offset fuel wheels. No issues.
Yup. Anything newer than 12 sits higher

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