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 1967 - 1972 Chevrolet & GMC Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 01-05-2004, 11:30 PM   #1
shuttermutt
Don't say "Oops!", Doctor
 
shuttermutt's Avatar
 
Join Date: Nov 2003
Location: Houston, TX
Posts: 677
31X10.5X15 on a 15X8 wheel?

Okay, there seems to be a bit of conflicting information regarding the 31X10.5X15 combo on 15X8 wheels. Some folks say, "Go ahead! No problems at all!" Others say, "Hmmm... you can do it, but I don't think it's a good idea!" Still others say, "Nope! It doesn't work!"

So what's the verdict, guys? Can I shoe a 15X8 wheel with 31X10.5X15 tires? I want a fairly aggressive tire that really fills the wheel well and I don't want a goofy 20-inch, $1,000 billet wheel in there. It's a truck, dammit!

PS: No offense to those that run giant wheels and rubber band tires. You do your thing and I'll do mine!
__________________
'Mutt
1968 CST LWB: R.I.P.
1967 Chevelle: TPI 454 beast
1967 C10 SWB: Claimed when Bumpster didn't put it on his list
shuttermutt is offline   Reply With Quote
Old 01-05-2004, 11:31 PM   #2
shuttermutt
Don't say "Oops!", Doctor
 
shuttermutt's Avatar
 
Join Date: Nov 2003
Location: Houston, TX
Posts: 677
While we're at it, is there a list of the factory wheels that will fit the 6-lug pattern? If I'm not mistaken, the 6-lug wheels on the 73-87 4X4s will work. Also, the 6-lug wheels on some older Nissan and newer Toyota 4X4s will fit, too. Does anyone have a complete list?
__________________
'Mutt
1968 CST LWB: R.I.P.
1967 Chevelle: TPI 454 beast
1967 C10 SWB: Claimed when Bumpster didn't put it on his list
shuttermutt is offline   Reply With Quote
Old 01-05-2004, 11:34 PM   #3
Stocker
20' Daredevil (Ret)
 
Stocker's Avatar
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,488
Sure sounds like a perfect match to me! Probably more info at www.tirerack.com. General rule of thumb, tread width should be similar to (or 1" wider than) rim width. 10.50 tires go on 8" rims; 12.50 tires go on 10" rims.
__________________
- Mike -

1972 K20 LWB 350/350/205

RIP El Jay
Stocker is offline   Reply With Quote
Old 01-06-2004, 12:09 AM   #4
shuttermutt
Don't say "Oops!", Doctor
 
shuttermutt's Avatar
 
Join Date: Nov 2003
Location: Houston, TX
Posts: 677
Is that what you're running, Stocker? Got pics?
__________________
'Mutt
1968 CST LWB: R.I.P.
1967 Chevelle: TPI 454 beast
1967 C10 SWB: Claimed when Bumpster didn't put it on his list
shuttermutt is offline   Reply With Quote
Old 01-06-2004, 12:12 AM   #5
lukecp
Formerly yellow72custom
 
lukecp's Avatar
 
Join Date: May 2001
Location: Austin, TX
Posts: 7,531
One of my friends put some 31x10.50's on a set of 15x10's on his 4x4. They looked pretty ballooned on the rims....were too big for a 10" rim. I think a 8" rim would have looked much better....you should be fine
__________________
'72 Chevy C10 Mild 350/TH350/3.07. Ochre/White. Old high school ride.
'70 GMC C2500 '62 327 4bbl/SM465/4.56-geared Dana 60. White/White. Project or parts truck.
'97 Saturn SL DD. 1.9/5-speed. 40+ highway mpg
lukecp is offline   Reply With Quote
Old 01-06-2004, 12:14 AM   #6
padreisla
Registered User
 
padreisla's Avatar
 
Join Date: Jan 2003
Location: Tampa, Florida
Posts: 141
Cool Tire/Wheel Setup

Shuttermutt, when I first bought my 67 c20 it had a set of 31X10.5X15 tires on 15X8's wheels in front and the 31X10.5X15 tires on 15X10's wheels in the back. The only reason I removed them was that I wanted a new set tire/wheel setup. I bought the truck from my brother and he used the truck for quite awhile with that setup and did not have any problems at all. I went to a different tire size, but that is because I dropped the front 3" and the back 4". As a matter of fact I still have the old tire/wheel setup as a backup option.

Joey
__________________
67 C20 LWB
454 BB
THD 400

97 Jeep Wrangler
4cyl
5sp
padreisla is offline   Reply With Quote
Old 01-06-2004, 12:43 AM   #7
shuttermutt
Don't say "Oops!", Doctor
 
shuttermutt's Avatar
 
Join Date: Nov 2003
Location: Houston, TX
Posts: 677
Cool. Sounds like the combo will work just fine from what I'm hearing. I just didn't want to do anything totally unsafe. Thanks for the input, guys. Anybody with nothing better to do than to post pics of trucks with this combo would get a big "thanks" from me. I know there's a couple of pics floating around, but I can never seem to find them again.
__________________
'Mutt
1968 CST LWB: R.I.P.
1967 Chevelle: TPI 454 beast
1967 C10 SWB: Claimed when Bumpster didn't put it on his list
shuttermutt is offline   Reply With Quote
Old 01-06-2004, 12:46 AM   #8
7d14xfun
Registered User
 
Join Date: Aug 2003
Location: CT
Posts: 93
I have 31x10.5x15's BFG Long trail's mounted on Eagle 589 15x8's. Absolutley love them. No problem with fitting or rubbing whatsoever.
__________________
1971 Chevy K10 Stepside
1999 Chevy Silverado 4x4
7d14xfun is offline   Reply With Quote
Old 01-06-2004, 12:49 AM   #9
7d14xfun
Registered User
 
Join Date: Aug 2003
Location: CT
Posts: 93
Having trouble posting my pics for some reason.
__________________
1971 Chevy K10 Stepside
1999 Chevy Silverado 4x4
7d14xfun is offline   Reply With Quote
Old 01-06-2004, 12:52 AM   #10
shuttermutt
Don't say "Oops!", Doctor
 
shuttermutt's Avatar
 
Join Date: Nov 2003
Location: Houston, TX
Posts: 677
Awesome! Now, does anybody care to take a stab at the second question? The steel wheels I'm running are beyond repair and can't be balanced properly. I'm hesitant to have new tires mounted on 'em and I'm very hesitant to get the living crud shook outta me on a 1,700 mile trip West in a couple of weeks.

I'd like to find a set of replacements, but the salvage yards up here won't talk to you unless you're VERY specific on what you want. Knowing what will fit could save me some time as I browse for potential replacements.
__________________
'Mutt
1968 CST LWB: R.I.P.
1967 Chevelle: TPI 454 beast
1967 C10 SWB: Claimed when Bumpster didn't put it on his list
shuttermutt is offline   Reply With Quote
Old 01-06-2004, 01:46 AM   #11
Stocker
20' Daredevil (Ret)
 
Stocker's Avatar
 
Join Date: May 2003
Location: Jefferson State
Posts: 13,488
Quote:
Originally posted by shuttermutt
Is that what you're running, Stocker? Got pics?
Currently running 33-12.50/16.5 tires on 9.75" rims....
No decent pics, just the avatar.
__________________
- Mike -

1972 K20 LWB 350/350/205

RIP El Jay
Stocker is offline   Reply With Quote
Old 01-06-2004, 01:57 AM   #12
Paul72
Registered User
 
Paul72's Avatar
 
Join Date: Sep 2003
Location: Waterloo, IA
Posts: 1,147
The K/20 had 31X10.5's on a 16.5" wheel. Might go to 33's when it's back together. My Blazer has 31X10.5's on a 15X8 wheel.

Can't seem to post pics at the moment - I'll try again later.
__________________
'72 Chevy K20 - 383/4sp/205 - SOLD after 41 years in the family
Next project - K/5 Tahoe (71 Blazer on 99 Tahoe chassis) Build thread: http://67-72chevytrucks.com/vboard/s...d.php?t=789958
Paul72 is offline   Reply With Quote
Old 01-06-2004, 02:26 AM   #13
cheyenne10
Senior Member
 
cheyenne10's Avatar
 
Join Date: Apr 2000
Location: Oregon
Posts: 2,511
perfect fit

My assumption is any tire store around would recommend that exact match for wheel and tire combo. I even have seen... 35x12.50x15's in 8" ralley wheels. I also have a set of 235/70/15's stretched onto 8" wheels. Quite the variety but what you want is perfect medium.
__________________
Bob
cheyenne10 is offline   Reply With Quote
Old 01-06-2004, 03:18 AM   #14
72 CustomCamper
huh ???
 
72 CustomCamper's Avatar
 
Join Date: Nov 2002
Location: Fredericksburg,Va.
Posts: 3,369
When wew bought our 84 truck new, it had 31x10.50's on 8" rims from the factory. On my toyota i'm running 31x10.50's on a 7" rim. On #2 question, Most any 6 lug wheel except for dodge 6 lugs will fit the bolt pattern. On the import wheels you might have problems with not enough backspacing if you have disk brakes...

Chuck
__________________
90 Blazer Silverado 350w/ 700R4 and 32" Kelly's

"I am a bomb technician. If you see me running try to keep up!"
72 CustomCamper is offline   Reply With Quote
Old 01-06-2004, 03:31 AM   #15
Rooster's 67
Registered User
 
Rooster's 67's Avatar
 
Join Date: Sep 2003
Location: DFW
Posts: 765
73-87 chevy ralley or plain wheels off of a 4X4 fit the 6 bolt pattern perfectly.
__________________
The problem with America is stupidity. I'm not saying there should be a capital punishment for stupidity, but why don't we just take the safety labels off of everything and let the problem solve itself?
Rooster's 67 is offline   Reply With Quote
Old 01-06-2004, 03:44 AM   #16
doughby82
Registered User
 
doughby82's Avatar
 
Join Date: Mar 2001
Location: springfield ill
Posts: 836
this is off of the main page should help you out shuddermut
http://67-72chevytrucks.com/techtips/other/other_4.html
__________________
springfield illinois
2003 custom (harley)built from scratch
68 swb

Last edited by doughby82; 01-07-2004 at 01:52 AM.
doughby82 is offline   Reply With Quote
Old 01-06-2004, 06:23 AM   #17
Southpa
Registered User
 
Southpa's Avatar
 
Join Date: May 2000
Location: Victoria, BC, Canada
Posts: 2,410
I have a pic right here of my truck from 4 years back, it was right after I replaced a bedside. I tried posting the pic but error message jumped up. I'll bet everytime someone tries to post a pic Josh will get an email about it. Sorry J, I tried about 3 or 4 times, .

Anyway, the tires are 31X10.5X15 Michelins on 15X8 rims (6 lug). Good fit, no problems. When I swapped front ends 2 yrs ago (1970 drum to 1971 disc) I had to get new 5 lug rims. The guy down at Big-O Tires (won't deal w/ them again, way too pricey) said the 15X8 were out of stock and he assured me that 15X7 would be ok for my tires. I guess he was right, its been two years and there have been no problems. Inflated to about 42 lbs, no uneven wear, smooth ride.

I'll try to get my pic into this thread tomorrow.
__________________
1970 GMC 1500 Custom
Original 350/TH350
Victoria, BC, Canada


You can wish in one hand and crap in the other.
See which one gets filled first.
Southpa is offline   Reply With Quote
Old 01-06-2004, 08:10 AM   #18
JIMs70GMC
user # 2756
 
JIMs70GMC's Avatar
 
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
Had an 85 blazer that came with 31-10.5R15s on 15x8 rims from the factory.
__________________
1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs
1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX
1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears
1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now.....
1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone.
1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed.

1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm
JIMs70GMC is offline   Reply With Quote
Old 01-06-2004, 09:20 AM   #19
JayDubBlazer
go cyclones
 
JayDubBlazer's Avatar
 
Join Date: Jun 2003
Location: Ames, IA
Posts: 1,885
On the bfgoodrich page they have 7-9 inches as a recommended size
__________________
Wes



PROJECT OLE GREEN

1972 Blazer 4X4 350/700R4
2017 Silverado LT
JayDubBlazer is offline   Reply With Quote
Old 01-06-2004, 11:13 AM   #20
FRENCHBLUE72
PROJECT 7DEUCE
 
FRENCHBLUE72's Avatar
 
Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,589
I have 35x13.50's and 32x11.50 on 10 inch wheel's and the both look good.. I would say rum em..
__________________
GO BIG GREEN GO DUCKS



MEMBER #6377

72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free.

Project "7DEUCE"

check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665



Tim Powell..R.I.P EastSideLowlife..... R.I.P..
FRENCHBLUE72 is offline   Reply With Quote
Old 01-06-2004, 12:30 PM   #21
pickupman
Registered User
 
pickupman's Avatar
 
Join Date: Dec 2000
Location: Greeneville, TN
Posts: 3,094
I run 32X11.50 on all my 4wds with factory rallies. I have used this combo for 15 tears or more without any problems.
Bill
__________________
atheystruck@comcast.net


67 1/2 ton 4wd custom cab
72 1/2 ton 4wd super cheyenne
71 1/2 BB super cheyenne shortbed
pickupman is offline   Reply With Quote
Old 01-06-2004, 12:52 PM   #22
fishead
Registered User
 
Join Date: Sep 2002
Location: Spring Hill KS
Posts: 85
Wheels and Tires

Long story made short.

I ran 15 x 8 wheels from the mid 70s on my 72 and 70 trucks. They worked fine for me.

I also ran 31x10.5x15's on said 15 x 8, 5 lugs on the 1972 C10.

No problems, and I really liked the ride and feel of the larger tires.

Go for it!
fishead is offline   Reply With Quote
Old 01-06-2004, 03:16 PM   #23
Palf70Step
State of Confusion!

 
Palf70Step's Avatar
 
Join Date: Jul 2002
Location: Gulfport, MS USA
Posts: 46,575
My 96 is running 31x10.50 x15 on 8" wheels. I think it is a perfect combo. I am not running on my 70 step now, but they fit just fine. No rubbing or other issues came up. It's a great combo for any truck far as I am concerned.
__________________
Bill
1970 Chevy Custom/10 LWB Fleetside
2010 Toyota Tacoma PreRunner SR5 Double Cab - DD

Member of Louisiana Classic Truck Club (LCTC)

Bill's Gallery
Life isn't tied with a bow, but it's still a gift.
Live simply. Love generously. Care deeply. Speak kindly. Leave the rest to God!
Palf70Step is offline   Reply With Quote
Old 01-06-2004, 05:07 PM   #24
Southpa
Registered User
 
Southpa's Avatar
 
Join Date: May 2000
Location: Victoria, BC, Canada
Posts: 2,410
I forgot I had pics right here. These are from the day after I bought my tires.

http://67-72chevytrucks.com/tc1970_4.html
__________________
1970 GMC 1500 Custom
Original 350/TH350
Victoria, BC, Canada


You can wish in one hand and crap in the other.
See which one gets filled first.
Southpa is offline   Reply With Quote
Old 01-06-2004, 08:25 PM   #25
mooneyes
Registered User
 
mooneyes's Avatar
 
Join Date: Jan 2002
Location: Slippery Rock PA USA
Posts: 1,692
..i had an 87 blazer with stock 8" ralleys and i put 32/11.50's on them with very little sidewall bulge
__________________
Ken Lyons, Slippery rock pa
68 short step 327 t10 4 gear
72 2wd blazer project
70 lwb 305/700r driver
78 caprice project
02 cavalier D.D ( hate it!!)
mooneyes is offline   Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

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 04:25 AM.


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