The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1969 - 1972 Blazers and Jimmys Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 02-20-2018, 05:11 PM   #1
6768chevylover
Registered User
 
6768chevylover's Avatar
 
Join Date: May 2007
Location: nepa
Posts: 745
15x12 wheels?

I'm curious to see if anyone is running 15x12 with 33" tires with a 2.5-3" lift?
6768chevylover is offline   Reply With Quote
Old 02-23-2018, 05:35 AM   #2
Green Monster
Registered User
 
Green Monster's Avatar
 
Join Date: Mar 2006
Location: Malvern, PA
Posts: 951
Re: 15x12 wheels?

I'm not running 15" x 12" wheels but instead running 15" x 10" wheels with a 3" lift. The tires are 33 x 12.50. Hopefully the pictures give you an idea of how this lift looks with a slightly more narrow wheel.
Attached Images
  

Last edited by Green Monster; 02-23-2018 at 06:15 AM.
Green Monster is offline   Reply With Quote
Old 02-23-2018, 09:05 AM   #3
68panelman
Registered User
 
68panelman's Avatar
 
Join Date: Jan 2011
Location: Delaware and Long Island, New York
Posts: 3,456
Re: 15x12 wheels?

Do you have any rubbing?
I have 15x10's I plan on mounting some day. 4" front, 3" rears, currently running 35's and rallies, but want to drop down to 33's, (3:08 rears). Your Blazer is one of my favorite ones out there, set up perfectly
68panelman is offline   Reply With Quote
Old 02-23-2018, 01:11 PM   #4
6768chevylover
Registered User
 
6768chevylover's Avatar
 
Join Date: May 2007
Location: nepa
Posts: 745
Re: 15x12 wheels?

Quote:
Your Blazer is one of my favorite ones out there, set up perfectly
I agree with you on that one. It blows mine away and I get a lot of compliments on mine. I'd like to see it in person one day.Your about a couple of hrs away from me(Green Monster). Thanks for the reply, it helps out. You don't happen to know the back spacing on your wheels?
6768chevylover is offline   Reply With Quote
Old 02-23-2018, 02:30 PM   #5
Green Monster
Registered User
 
Green Monster's Avatar
 
Join Date: Mar 2006
Location: Malvern, PA
Posts: 951
Re: 15x12 wheels?

Thank you for the compliments.

I've attached a few more pictures to give you an idea of how the stance is set up. The front tires stick out beyond the fenders so I personally like wouldn't run anything wider than 10 inch wheels and 12.50 tires. The rear tires sit flush to fenders though.

I've never had any rubbing with the tire wheel combo I'm running. I drive on the streets only so I don't know if it would rub if the suspension moved more with some off road action.

It's been a while since I bought the wheels but I'll see if I can find the backspacing info.
Attached Images
   
Green Monster is offline   Reply With Quote
Old 02-23-2018, 10:50 PM   #6
simicrintz
Registered User
 
Join Date: Dec 2017
Location: Escondido
Posts: 305
Re: 15x12 wheels?

Another vote here for a great looking rig!
__________________
-Bruce
1971 K5 Blazer 4WD
simicrintz is offline   Reply With Quote
Old 02-25-2018, 08:17 PM   #7
Mike C
Registered User
 
Mike C's Avatar
 
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,727
Re: 15x12 wheels?

A 12" rim is too wide for a 12.5" wide tire. 10 is as far as I would go but 9 is probably better (easily done if you go to 17" rims).

I have 9.75 wide 16.50 rims on my Jimmy with 35 12.5 16.50 BFG AT's. They fit great. They replaced a set of 35 12.5 15 BFG MT's on 15x10 Centerlines which was fine as well.

I used to have a set of Bart's 15x12 wheels with 35 14.5 GroundHawgs on them and the 12" rim worked for that width tire, but it was STUPID heavy and wide. I wouldn't even think about 12" wide rims.
__________________
44 Willys MB
52 M38A1
64 Corvette Coupe
68 Camaro 'vert LT1 & TH700
69 Z/28 355 12.6's @110
69 Chevy Short Step 4 1/2"/7" drop
72 Jimmy 4WD 4spd 4" & 35's
02 GMC 2500HD 4x4 Duramax
Mike C is offline   Reply With Quote
Old 02-26-2018, 01:01 AM   #8
Green Monster
Registered User
 
Green Monster's Avatar
 
Join Date: Mar 2006
Location: Malvern, PA
Posts: 951
Re: 15x12 wheels?

Quote:
Originally Posted by 6768chevylover View Post
You don't happen to know the back spacing on your wheels?
The backspacing, according to my measurement, is 3 5/8".
Green Monster is offline   Reply With Quote
Old 02-26-2018, 04:33 AM   #9
Killer Bee
Registered User
 
Killer Bee's Avatar
 
Join Date: Jan 2016
Location: Barber City, CA
Posts: 4,809
Re: 15x12 wheels?

if you can find the specs for the tires you're looking at, should list suggested rim width range..

and remember section width given in the tire size is not actual width, actual tread width will be narrower..

and rim widths will be close to tread width down to as much as 1-2" narrower depending on sidewall design..

check the specs on these for reference;
ALL-TERRAIN T/A KO2 - SIZE: LT33X12.5R15

these are 33x12.55r15 Thornbirds on 8.5" Western Hurricanes, and Interco recommends 10"

Thornbird



these are 9.00x16 Super Lugs on late model 6.5" takeoffs.. spec calls out 10.4 wide at 36" tall on 6.5" rim..

SUPER TRAXION, SUPERLUG TUBELESS



good luck!
__________________
I started out with nothing - and I still have most of it
Killer Bee is offline   Reply With Quote
Old 03-06-2018, 02:23 AM   #10
Green Monster
Registered User
 
Green Monster's Avatar
 
Join Date: Mar 2006
Location: Malvern, PA
Posts: 951
Re: 15x12 wheels?

Here's a picture of a Blazer Chalet that I stumbled across with 12" wide wheels. Great looking truck and the 12s look great on this setup but I wouldn't go beyond 10" wide wheels without the chalet.
Attached Images
 
Green Monster is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 08:51 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com