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Wheel Fitment Issue

troop12
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Kintnerboyredoubt Enthusiast

Kintnerboyredoubt

Posted
Posted (edited)
6 hours ago, troop12 said:

Thanks for the info. What exactly is the mud flap mod? My truck had big mud flaps on it when I got it but I took them off and put a factory cap on there so it sits flush with the rocker. Nothing hangs down beyond the rocker. But I did notice behind the inner fender liner a black bracket. What is the mod that has to be done?

 

Again thanks for all the info!

Look at my post on the “factory gm 2” lift installed” thread for a step by step, basically there is a bracket that the mud flap mounts to under the felt wheel liner that can be removed to gain clearance on the backside of the wheel well (side closest to the drivers door) it gains roughly an inch or so of additional clearance. Without it done I could barely turn the wheel, after that I was able to get near full lock. Only having rub in reverse on the front lower valence. 
 

 
You remove the 3 torque screws on the front side of the mudflap, then remove a 10 mm bolt on the back side.  The mudflap can then be pulled away from the truck body and pushed towards the engine bay.  There will be another torque screw holding the carpet wheel liner to the bracket, remove this and pull the wheel liner up and away as much as you can.  This will give you access to the bracket behind it.  The bracket has 4 bolts that have 13 or 14 mm heads.  Remove those and the bracket comes off.  Then put everything back in reverse order.  The final step is to drill a small hole on the back side of the carpeted wheel liner near where it attaches to the rear front mudflap and insert and zip tie it into that new hole and an existing hole on the body near it to pull the flap back.  Do not drill thru the mudflap, just the carpet.  Repeat for the other side.  The whole process took me about 30-45 total for both side and I wasnt in a rush lol
 
here is the post. Someone else did the write up I’m not trying to steal it as my own just sharing it as it is very valuable when trying to gain a few inches of clearance. The directions aren’t super clear I’ll admit but peel back your fender liner a bit and you will see exactly what it is referring to.
Edited by Kintnerboyredoubt
troop12 Enthusiast

troop12

Posted
  • Author
Posted
1 hour ago, Kintnerboyredoubt said:

Look at my post on the “factory gm 2” lift installed” thread for a step by step, basically there is a bracket that the mud flap mounts to under the felt wheel liner that can be removed to gain clearance on the backside of the wheel well (side closest to the drivers door) it gains roughly an inch or so of additional clearance. Without it done I could barely turn the wheel, after that I was able to get near full lock. Only having rub in reverse on the front lower valence. 
 

 
You remove the 3 torque screws on the front side of the mudflap, then remove a 10 mm bolt on the back side.  The mudflap can then be pulled away from the truck body and pushed towards the engine bay.  There will be another torque screw holding the carpet wheel liner to the bracket, remove this and pull the wheel liner up and away as much as you can.  This will give you access to the bracket behind it.  The bracket has 4 bolts that have 13 or 14 mm heads.  Remove those and the bracket comes off.  Then put everything back in reverse order.  The final step is to drill a small hole on the back side of the carpeted wheel liner near where it attaches to the rear front mudflap and insert and zip tie it into that new hole and an existing hole on the body near it to pull the flap back.  Do not drill thru the mudflap, just the carpet.  Repeat for the other side.  The whole process took me about 30-45 total for both side and I wasnt in a rush lol
 
here is the post. Someone else did the write up I’m not trying to steal it as my own just sharing it as it is very valuable when trying to gain a few inches of clearance. The directions aren’t super clear I’ll admit but peel back your fender liner a bit and you will see exactly what it is referring to.

Ok, thanks for taking the time to explain that. I have another set of wheels coming to try, 20x9 0 offset with 275/60/20 Nitto Ridge Grappler tires. I'm hoping the 0 offset takes care of the rubbing issues. If not I will definitely try this. I saw a few people in the custom offsets gallery running 20x9 0 with the same tires and had no rubbing issues and didn't have to do any trimming but I'm not sure what info to trust on that gallery anymore.

Kintnerboyredoubt Enthusiast

Kintnerboyredoubt

Posted
Posted
1 hour ago, troop12 said:

Ok, thanks for taking the time to explain that. I have another set of wheels coming to try, 20x9 0 offset with 275/60/20 Nitto Ridge Grappler tires. I'm hoping the 0 offset takes care of the rubbing issues. If not I will definitely try this. I saw a few people in the custom offsets gallery running 20x9 0 with the same tires and had no rubbing issues and didn't have to do any trimming but I'm not sure what info to trust on that gallery anymore.

You should be good to go with a 0 offset wheel. Yea some of the fitments on custom broffsets gallery crack me up “running 22x12 -60mm with a 35x12.50 1 inch leveling kit no rubbing no trimming” lol.

romclean1 Enthusiast

romclean1

Posted
Posted

I’m running 20x9 0 and I still needed a little trim, a slice off the inside of the mud flap and a little felt trim. Was easy to do and the mudflap remains. I had to use a 6mm spacer to clear the brakes, which probably is why I then needed the trim.


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pewterliftedz Enthusiast

pewterliftedz

Posted
Posted
On 3/9/2020 at 10:08 PM, romclean1 said:

I’m running 20x9 0 and I still needed a little trim, a slice off the inside of the mud flap and a little felt trim. Was easy to do and the mudflap remains. I had to use a 6mm spacer to clear the brakes, which probably is why I then needed the trim.


Sent from my iPhone using Tapatalk

I ran a 10" wide wheel with a 8mm spacer and 275/60 on my stock suspension truck, with the mudflap bracket mod I was able to get 0 rubbing.  By simply pulling back the mudflap you shouldn't have to do any cutting

  • 1 month later...
ugaDAWGS09 Enthusiast

ugaDAWGS09

Posted
Posted
On 3/9/2020 at 5:19 AM, Flatblack83 said:

Stock wheels are 27-28 mm if u look up the specs.. ...My opinion....  If u take a look quite a few have 15-20mm wheels with no rub. Plus I see up to o offset with minimal cutting.  The negative #'s u see all trim,rub,cut, etc...unless your running a 6 inch.

 

A 275 60 20 is what the custom silverado comes with on stock wheels. 295 60 20 still fits on stock wheels with no rub. So with yours being a GMC I can see no problem fitting the 275s.

Have you saw someone run this 295/60 on stock wheels with no rub? I have a GMC SLT and was going to run this tire size in a nitto RG with a 2 inch RC level 

Flatblack83 Enthusiast

Flatblack83

Posted
Posted
5 hours ago, ugaDAWGS09 said:

Have you saw someone run this 295/60 on stock wheels with no rub? I have a GMC SLT and was going to run this tire size in a nitto RG with a 2 inch RC level 

On a gmc I'm sure theres some one here that has done it. Search around a little and you will find it. I seen also 275 65s, they have less width and more heigth.  If it was a chevy then yes I know someone..lol... I have then on mine.

  • 9 months later...
Kmason New Member

Kmason

Posted
Posted
On 4/17/2020 at 11:29 PM, ugaDAWGS09 said:

Have you saw someone run this 295/60 on stock wheels with no rub? I have a GMC SLT and was going to run this tire size in a nitto RG with a 2 inch RC level 

Curious of this also.  Looking to run 295/60/20 atturo with a 2" RC lift. 2019 silverado.

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