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37x13.50R20 with levelling kit

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Old 01-13-2018, 10:21 PM
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Came across this thread this evening, and had a chance to read through most of the posts. Could I fit a 37x13.50R20 or 37x13.50R22 on the '15 F150 running a 7" ReadyLIFT ya think?
Wheels would be either 20x10(-19et) or 22x10(-13et), undecided yet.

I found this guy on Instagram and boy do I want to ask him some questions. I don't have Instagram though, so I can't message him there. He's actually here on the forums too under 'bullitt5244' and I PM'd him but he hasn't responded. He's apparently running the 7" lift on 22x12(-44et) on 37x13.50's
I'd just love to get an understanding of the work he had to do and some more pics/angles of his rig




edit: stupid forums isn't letting me post the link to the instagram ReadyLIFT post

Last edited by chrisingrassia; 01-14-2018 at 12:05 AM. Reason: jjj
Old 01-14-2018, 07:34 AM
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Originally Posted by chrisingrassia
Came across this thread this evening, and had a chance to read through most of the posts. Could I fit a 37x13.50R20 or 37x13.50R22 on the '15 F150 running a 7" ReadyLIFT ya think?
Wheels would be either 20x10(-19et) or 22x10(-13et), undecided yet.

I found this guy on Instagram and boy do I want to ask him some questions. I don't have Instagram though, so I can't message him there. He's actually here on the forums too under 'bullitt5244' and I PM'd him but he hasn't responded. He's apparently running the 7" lift on 22x12(-44et) on 37x13.50's
I'd just love to get an understanding of the work he had to do and some more pics/angles of his rig




edit: stupid forums isn't letting me post the link to the instagram ReadyLIFT post
This thread is about running that size tire on a 2.5" lift, WITH PICTURES. Why do you think it would work here but not on yours?
Old 01-14-2018, 05:31 PM
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To be fair, there's a ton of misinformation on the internet. Determining the possibility and usability of a certain wheel offset and tire size on any car or truck isn't quite an exact science. There's obviously a lot of customization that goes into getting a 37x13.50 to work like cutting/trimming/hacking, etc.
I'm not an expert at this kind of stuff, that's why I joined the forums actually. And to be honest, this is actually the ONLY thread I can find for 2015+ models about using/running a 37x13.50 tire. Sorry that I irritated you by asking a question.

But if I were to go with a 22x10(-13et) wheel, what difference could I expect between a 37x12.5 compared to a 37x13.5?
Originally Posted by Redalty
This thread is about running that size tire on a 2.5" lift, WITH PICTURES. Why do you think it would work here but not on yours?
Old 01-14-2018, 07:52 PM
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Originally Posted by chrisingrassia
To be fair, there's a ton of misinformation on the internet. Determining the possibility and usability of a certain wheel offset and tire size on any car or truck isn't quite an exact science. There's obviously a lot of customization that goes into getting a 37x13.50 to work like cutting/trimming/hacking, etc.
I'm not an expert at this kind of stuff, that's why I joined the forums actually. And to be honest, this is actually the ONLY thread I can find for 2015+ models about using/running a 37x13.50 tire. Sorry that I irritated you by asking a question.

But if I were to go with a 22x10(-13et) wheel, what difference could I expect between a 37x12.5 compared to a 37x13.5?
Going with a 12" wide -44 and 37x13.50 on a 7" lift, you would most likely have to cut both crash bars and trim plastic (but its hard to say).

Most people still have to minor trimming with a 6" lift 20x12 -44 and 35x12.5.

You can check customoffsets.com wheel gallery or youtube videos to do more research.
Old 01-15-2018, 01:46 AM
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I'm not planning on a 12" wide wheel. I'm going 22x10(-13et) and hoping to go with 37x12.50 or 37x13.50. I will go with whichever requires least amount of cutting/trimming/hacking/modifying. I was really leaning towards the 13.50 tire to get some extra width for truck balance.

My wife already hates me enough the amount of time I've spent on Custom Offsets site, ReadyLIFT Instagram page, and this site's showroom area. Those have definitely been indispensable for ideas and thoughts. But none of them highlight the amount of modifying needed in the fender wells, crash bars, bumpers, etc

Originally Posted by tthibault16
Going with a 12" wide -44 and 37x13.50 on a 7" lift, you would most likely have to cut both crash bars and trim plastic (but its hard to say).

Most people still have to minor trimming with a 6" lift 20x12 -44 and 35x12.5.

You can check customoffsets.com wheel gallery or youtube videos to do more research.
Old 01-15-2018, 02:28 AM
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Originally Posted by azcoyote
Please explain. Of course people lift for many reasons. Ride. Tire clearance. Suspension travel. Aesthetics. How are the negatives tied to just the tire? How does that relate to the 8-10" lift comment before?

Way out of the desirable range of what? I have a 2.25 inch level in front right now and I have 35s. While adding the preload absolutely changes ride quality, the combination of tires and better shocks improved my ride quality.

Not spending a lot of money and running tires that clear more under the pumpkins absolutely sells with me. You can tell someone you have 37s on your truck? What kind of silly jab is that? Please do go on....
You dont understand preload. Did you mean your springs are under more pressure with the truck on the ground after the level than they were before??? By the way im a fan of cutting fenders to fit larger tires! Keeps the center of gravity lower for better vehicle stability. Anybody wanna do a jeep style fender treatment to their truck. Bob the rear bed would be awesome too!

Last edited by Toizzz; 01-15-2018 at 02:33 AM.
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Old 01-15-2018, 12:39 PM
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I've owned 2 of these trucks since 2012. First one I put a ICON 3" adjustable level with their shocks on all 4 corners. At 2.75" the cv angles were too much and spread the boots after about two months. Fast forward to my 2015. This one I did right. Got a Procomp 6" lift with Fox Coilovers and external reservoirs. Put 2.0 Fox shocks in the rear and Camburg UCA's. Running 35x12.5 R20's on Fuel Throttle wheels +1 offset and no rubbing with full articulation. All my wheels are damaged because of the places I fish and hunt in Colorado. Not saying it can't be done but I seriously want to see a truck with 37.5 tires go the places I do with only a level and not bind the tires or destroy the fenders.
Old 01-16-2018, 02:34 AM
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Originally Posted by gi_dukes
I've owned 2 of these trucks since 2012. First one I put a ICON 3" adjustable level with their shocks on all 4 corners. At 2.75" the cv angles were too much and spread the boots after about two months. Fast forward to my 2015. This one I did right. Got a Procomp 6" lift with Fox Coilovers and external reservoirs. Put 2.0 Fox shocks in the rear and Camburg UCA's. Running 35x12.5 R20's on Fuel Throttle wheels +1 offset and no rubbing with full articulation. All my wheels are damaged because of the places I fish and hunt in Colorado. Not saying it can't be done but I seriously want to see a truck with 37.5 tires go the places I do with only a level and not bind the tires or destroy the fenders.
Agreed

Last edited by Toizzz; 01-16-2018 at 04:21 AM.




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