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#1 |
Registered User
Join Date: Sep 2015
Location: Pemberville, Ohio
Posts: 152
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Super wide tires on rear?
What the widest tire and rim size I can fit on the rear (lwb) without messing with the frame? I will add wider tubs. I don't want them sticking out the sides though.
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#2 |
Senior Member
![]() Join Date: Dec 2013
Location: Gods country East,Tn
Posts: 8,545
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Re: Super wide tires on rear?
What year truck ? Step/ fleet ? What rim ? Including as much info as possible helps other members provide good answers and pics
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#3 |
Registered User
Join Date: Sep 2015
Location: Pemberville, Ohio
Posts: 152
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Re: Super wide tires on rear?
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#4 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,477
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Re: Super wide tires on rear?
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I'm putting 14" wide tires on the panel truck, hopefully on 11" rims. I just picked up a backspace gauge from a friend of mine the other day that he says works really good. My wheel tubs are widened almost to the frame. I just have to decide whether I want to use 5 bolt or 6 bolt wheels. I will be ordering new steel wheels so I can go either way. LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#5 |
Registered User
Join Date: Sep 2015
Location: Pemberville, Ohio
Posts: 152
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Re: Super wide tires on rear?
What's the backspace gauge do?
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#6 |
Registered User
Join Date: Mar 2006
Location: Latrobe, Pa. 15650
Posts: 344
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Re: Super wide tires on rear?
I sent two centers from 15x8 truck ralley wheels to California to be welded in a set of 12" wide blanks with 7" back spacing. I still have the bump stops on and didn't touch the frame. I widened my tubs to the frame. I mounted Mickey Thompson Sportsman 29x15x15 tires on the wheels and have plenty of room for the wider 14" wide wheels which are being done now. I'm going to mount the 31x18x15 with 8" back spacing on them. I will have to cut the bump stop off this time. These wheels slide over the stock brake drums with no problem. That look really cool when the chrome centers and beauty rings are installed. The only draw back I don't like is they are extremely heavy. I don't know how to post pictures here.
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#7 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,477
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Re: Super wide tires on rear?
You can set it to the wheel diameter, wheel width, tire width, & tire diameter you want and it bolts to the face of the brake drum so you can set it to the back space that gives you the clearance you want all around.....
I am going to use it on the Panel Truck tomorrow, so I will post some pictures tomorrow evening. LockDoc
__________________
Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#8 |
Registered User
![]() Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: Super wide tires on rear?
You can go up to a 18.5 on 12 " wheel with 7.5 bs. Mine mesure 15" wide on a 12" wheel with 6.5 bs. But mind you the 68 rear is narrower.
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The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS Last edited by Robznob11; 04-23-2017 at 11:03 PM. |
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#9 |
Registered User
![]() Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: Super wide tires on rear?
Pics
__________________
The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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#10 |
Registered User
Join Date: Sep 2015
Location: Pemberville, Ohio
Posts: 152
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Re: Super wide tires on rear?
Does the e-brake cable get in the way?
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#11 |
Senior Member
![]() Join Date: Jun 2009
Location: Belews Creek , NC
Posts: 4,220
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Re: Super wide tires on rear?
I am running 15 x 12 inch wheels on the back of my 68, and a 29 x 16.50 Mickey Thompson. You can see them in my build thread for my 68
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Larry It is easily overlooked that what is now called vintage was once brand new. "Project 68" paypal.me/ldgrant |
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#12 |
Senior Member
![]() Join Date: Jun 2009
Location: Belews Creek , NC
Posts: 4,220
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Re: Super wide tires on rear?
I bought the wilwood rear brake cables for mine, not sure if they would work on stock brakes though.
http://www.classicindustries.com/pro...s/3309371.html
__________________
Larry It is easily overlooked that what is now called vintage was once brand new. "Project 68" paypal.me/ldgrant |
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#13 |
Registered User
![]() Join Date: Oct 2011
Location: jackson michigan
Posts: 755
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Re: Super wide tires on rear?
Good point I would think looking at mine the E brake cable is going to need to be rerouted. Down in Ohio you should be able to find someone to make you up a set of wheels. Lot of good fabrication work done in your area.
Last edited by terry b; 04-23-2017 at 07:54 AM. Reason: Spelling |
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#14 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: Super wide tires on rear?
Yes
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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#15 |
Registered User
Join Date: Oct 2011
Location: NorthWest
Posts: 131
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Re: Super wide tires on rear?
I'm running 29x18.5x15 Mickey thompsons. Stock 12 bolt rear end. About a 5" tubbed. Tight fit. No e-brake
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#16 |
Registered User
Join Date: Mar 2006
Location: Latrobe, Pa. 15650
Posts: 344
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Re: Super wide tires on rear?
My e-brake is about 1 3/4 away with the 15x12 with 7 inch back space wheel and MT 29x15x15 Sportsman tire. That's why I can go to 15x14 with 8 inch back space. That would give me 3/4 inch of room.
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#17 |
Registered User
Join Date: Jan 2016
Location: Saskatchewan
Posts: 357
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Re: Super wide tires on rear?
Dependent on ride height and offset, you can really put on as wide as you want to go, if you want to know what you can fit between the frame and your fender, get out a tape measure and that's your number, then all thats left to do is get the proper offset to maximize that space.
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1972 C10 - It might be old, but it's not slow |
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#18 |
Registered User
Join Date: Mar 2006
Location: Latrobe, Pa. 15650
Posts: 344
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Re: Super wide tires on rear?
Here are some pictures
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#19 |
Registered User
Join Date: May 2017
Location: Elizabethtown
Posts: 1
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Re: Super wide tires on rear?
I have a 72 swb, lowered 3 inches. What would the back spacing need to be for the 15x10s and or the 15x12s. Stock length 12 bolt rear. Havent decided fully on what i wanna do yet!
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#20 |
Registered User
![]() Join Date: Feb 2004
Location: brownfield texas (west texas)
Posts: 1,936
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Re: Super wide tires on rear?
At least 7.5 for 12s. 72 rear is wider
__________________
The Ghost 67 short wide full custom. 550 hp LSX, 4l80E, narrowed 9". Body dropped w/air ride! ........................ ___ .........________//__{\_____ ,,,,,,,/__(⊙)___//___/__(O)_/ @disciple2.rc 💪instagram💪 LED TAILS |
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