Jump to content
  • Sign up for FREE! Become a GM-Trucks.com Member Today!

    In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs. From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. 

Sign in to follow this  
UrbanRage

Calling out trucks with 20" Rims and Bilstein shocks

Recommended Posts

I've been looking and reading like a madman and I could really use some help/advise. I installed the rear Bilstein shocks which was a huge improvement over the Ranchos. So now my biggest decision is,  which setting on the front shocks and tire combo to go with. 

My end goal is to maintain a  little bit of a rake and no tire rub.

- Front shocks at 3rd setting. If the highest setting will still provide a little rake I'm good with that. 

- Tires I'm eyeballing - Continental TerrainContact A/T, size 275/60 R20......anyone have these? 

 

If would you please post some pictures of your setup and also let me know if you rub.  I really appreciate the help/advise. 

 

Edited by UrbanRage

Share this post


Link to post
Share on other sites

4th setting will still leave you with some rake.

275/60 20 should fit fine with the Bilstein front lift. Some are running 275/60 20 with no lift.

Have you seen the Bilstein Shock Thread?

I am sure you will find plenty of answers there, and also in this thread below:

 

 

Share this post


Link to post
Share on other sites

Definitely check out the Bilstein shocks thread. It helped me a lot when I did it. I went with the third setting with 275/60r20 BFG KO2. Tires fit fine even before I did the level. I almost went to the 4th setting, but didn't want to squat too bad when towing my jeep. It still squats, but not as bad as it would on the highest setting. If you don't tow anything, go with the highest setting.

 

https://www.gm-trucks.com/forums/topic/168860-bilstein-shocks-thread/

Edited by UNTsilverado50
adding link

Share this post


Link to post
Share on other sites

Thanks guys, yes I have read many pages in the Bilstein thread. I was hoping to just get the people with 20" rims. 

Share this post


Link to post
Share on other sites
On 8/27/2018 at 7:53 PM, UrbanRage said:

I've been looking and reading like a madman and I could really use some help/advise. I installed the rear Bilstein shocks which was a huge improvement over the Ranchos. So now my biggest decision is,  which setting on the front shocks and tire combo to go with. 

My end goal is to maintain a  little bit of a rake and no tire rub.

- Front shocks at 3rd setting. If the highest setting will still provide a little rake I'm good with that. 

- Tires I'm eyeballing - Continental TerrainContact A/T, size 275/60 R20......anyone have these? 

 

If would you please post some pictures of your setup and also let me know if you rub.  I really appreciate the help/advise. 

 

Have you seen my Rancho shock poll and thread?

 

Share this post


Link to post
Share on other sites

I have bilstein on top setting and my 275/60/20 falken tires make contact with uca (stamped) at full lock. They actually cleared everything better before the shocks went on. I'll be dropping them back to stock and adding zone 4.5 in the next few weeks. 

Share this post


Link to post
Share on other sites

I have 275/60/20 Wildpeak A/Ts with no lift, no level and zero rub on my '16 4x4 slt crew cab. 

  • Like 1

Share this post


Link to post
Share on other sites

I was running the same set up, 275/60r20 ko2s and didn’t rub at all even before the bilsteins.

 

i had my maxed out and it sat damn near perfectly level 

Share this post


Link to post
Share on other sites

I installed bilstein 5100s a few months ago on the highest setting on my ‘15 Sierra Z71 with 20x9 Fuel Assault rims with a +1 offset. I have 275/60R20 Falken Wildpeak AT3 tires. They rub the mesh wheel well liner slightly at full lock (I believe this is due to the +1 offset). I wanted my tires to stick out slightly past the side of the truck. 

 

I measured up up to the top of the wheel well before and after the install and these are my measurements:

 

Front

Before: 35 1/2”

After: 37 1/4”

 

Rear

Before: 38 1/2”

After: 38 3/8”

 

Lifted front end 1.75”

 

The  back end is 1.13” higher than the front. 

 

74E94BF7-A170-41B1-A979-B604BAD5E0D3.jpeg

EA580A17-F018-41B9-81A6-207C289FF693.jpeg

E5F36FD4-F1F3-4BC3-BDD1-21B0C6268D53.jpeg

Edited by Z71 _ GMC

Share this post


Link to post
Share on other sites
On 8/29/2018 at 12:37 PM, Z71 _ GMC said:

I installed bilstein 5100s a few months ago on the highest setting on my ‘15 Sierra Z71 with 20x9 Fuel Assault rims with a +1 offset. I have 275/60R20 fallen wildpeak AT3 tires. They rub the mesh wheel well liner slightly at full lock (I believe this is due to the +1 offset). I wanted my tireds to stick out slightly past the side of the truck. 

 

I measured up up to the top of the wheel well before and after the install and the lawn are my measurements:

 

Front

Before: 35 1/2”

After: 37 1/4”

 

Rear

Before: 38 1/2”

After: 38 3/8”

 

Lifted front end 1.75”

 

The  back end is 1.13” higher than the front. 

 

74E94BF7-A170-41B1-A979-B604BAD5E0D3.jpeg

EA580A17-F018-41B9-81A6-207C289FF693.jpeg

E5F36FD4-F1F3-4BC3-BDD1-21B0C6268D53.jpeg

Great looking truck!!!

Share this post


Link to post
Share on other sites

So from what I'm reading, if I use the highest setting on the Bilteins the tires will rub. 

Share this post


Link to post
Share on other sites
On 8/31/2018 at 11:47 AM, UrbanRage said:

So from what I'm reading, if I use the highest setting on the Bilteins the tires will rub. 

In my specific setup, yes. I did research for months before I made my purchase. I found people that said their 20” rims with 33s fit with no rubbing with bilstein shocks, but everyone left out rim offsets and actual tire width and diameter. I was pretty confident my setup wouldn’t rub, but it did. I believe the reason my tires rub is because I chose a +1 offset. The factory 20s have a +27 offset, so my wheels/tires stick out a little over an inch from a factory location. The outside edge of the tire tread rubs (at the red arrow in the picture) because about 4-5” of the liner (yellow section) protrudes in about an inch. If I chose a rim with an offset close to the the factory offset, I believe they might fit without rubbing. I’m also posting a picture of some different brands of 35”x12.5” AT tires. You can see there’s obviously some differences in width and height from different manufacturers. So a lot of people say “My XX” tires did/didn’t fit without rubbing with an XYZ brand of lift” and this is part of the reason why imo. Everyone’s statements are generally too generic. Unless you find someone with the same exact setup you’re looking for, it will be difficult to say it will/won’t rub. 

 

With that being said, I did just as much research on the bilsteins as I did on the rims and tire combination. Based on all that research, I think they’re superior to a spacer lift. So, I pulled trigger and bought my setup. Initially, I was upset because my tires rubbed a little, but after a few  weeks, I’m happy I went with the bilsteins. There’s nothing but air behind the liner where they rub, and I can trim the liner so there’s no rubbing if I want to. The main thing is, I don’t have to trim any metal or plastic. Also, the ride quality is better to (even my wife thinks so). 

 

Bottom line, if you go with bilsteins, you’ll get less than 2” of lift in the front of your truck and you’ll run the risk of rubbing with 275/60R20 tires.

6DA8130C-35B8-47CE-BA54-0F9CC3309A99.jpeg

9AE31FCF-B527-43AA-9DA4-F11C18F2F946.jpeg

Share this post


Link to post
Share on other sites

The outside edge of the tire tread rubs (at the red arrow in the picture) because about 4-5” of the liner (yellow section) protrudes in about an inch. C316F659-CE7D-4D12-99B6-EED2855CFC1B.jpeg

Edited by Z71 _ GMC
Better picture description.

Share this post


Link to post
Share on other sites

These are different brands of 35x12.5 AT tires. You can see there’s a difference between the height and width from different tire manufacturers. 

B446738E-D2C5-4326-B72C-2CE8797AACB9.jpeg

Edited by Z71 _ GMC
Better picture description.
  • Like 1

Share this post


Link to post
Share on other sites
On 9/2/2018 at 5:12 AM, Z71 _ GMC said:

In my specific setup, yes. I did research for months before I made my purchase. I found people that said their 20” rims with 33s fit with no rubbing with bilstein shocks, but everyone left out rim offsets and actual tire width and diameter. I was pretty confident my setup wouldn’t rub, but it did. I believe the reason my tires rub is because I chose a +1 offset. The factory 20s have a +27 offset, so my wheels/tires stick out a little over an inch from a factory location. The outside edge of the tire tread rubs (at the red arrow in the picture) because about 4-5” of the liner (yellow section) protrudes in about an inch. If I chose a rim with an offset close to the the factory offset, I believe they might fit without rubbing. I’m also posting a picture of some different brands of 35”x12.5” AT tires. You can see there’s obviously some differences in width and height from different manufacturers. So a lot of people say “My XX” tires did/didn’t fit without rubbing with an XYZ brand of lift” and this is part of the reason why imo. Everyone’s statements are generally too generic. Unless you find someone with the same exact setup you’re looking for, it will be difficult to say it will/won’t rub. 

 

With that being said, I did just as much research on the bilsteins as I did on the rims and tire combination. Based on all that research, I think they’re superior to a spacer lift. So, I pulled trigger and bought my setup. Initially, I was upset because my tires rubbed a little, but after a few  weeks, I’m happy I went with the bilsteins. There’s nothing but air behind the liner where they rub, and I can trim the liner so there’s no rubbing if I want to. The main thing is, I don’t have to trim any metal or plastic. Also, the ride quality is better to (even my wife thinks so). 

 

Bottom line, if you go with bilsteins, you’ll get less than 2” of lift in the front of your truck and you’ll run the risk of rubbing with 275/60R20 tires.

6DA8130C-35B8-47CE-BA54-0F9CC3309A99.jpeg

9AE31FCF-B527-43AA-9DA4-F11C18F2F946.jpeg

Thank you for taking the time to reply. I do appreciate it. I'm going to bit the bullet and install the shock on the top setting.  

 

Share this post


Link to post
Share on other sites

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

Sign in to follow this  



×
×
  • Create New...

Important Information

By using this site, you agree to our Terms of Use.