How wide can you go without relocating leaf springs??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

69GMC910 · 09-24-2011, 04:44 PM

Can someone please put this question to rest!!! If you have a truck that is tubbed, but the leafs are in the stock location, what size rim and tire are you running? I want to run either a 31x16x15 or a 31x18.5x15.. Please fill me in on your rear end width (stock or not) and wheel backspacing. I have to special order both wheels and tires so I cannot afford to mess this up!!!
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Hertzdaddy · 09-24-2011, 06:28 PM

I'm watching this one. I've got the tub and the stock leafs as well. Would be nice to know. Wheel offset would be good to know too. I can measure but confirmation is always good.

69GMC910 · 09-25-2011, 01:17 AM

I know there are people out there with this setup!!!
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J Knight · 09-25-2011, 10:32 AM

I asked this question in a pm to a member that had this set up, i don't remember the tire size but he had 15x12s with 7.5 in bs. I'm sure you can take the rear wheels off your truck and measure to confirm that wheel size.
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09-24-2011, 04:44 PM	#1
69GMC910 MOTORHEAD! Join Date: May 2000 Location: Devon AB, Canada Posts: 849	How wide can you go without relocating leaf springs??? Can someone please put this question to rest!!! If you have a truck that is tubbed, but the leafs are in the stock location, what size rim and tire are you running? I want to run either a 31x16x15 or a 31x18.5x15.. Please fill me in on your rear end width (stock or not) and wheel backspacing. I have to special order both wheels and tires so I cannot afford to mess this up!!! Posted via Mobile Device __________________ 82 GMC High Sierra VortecPro 496 12 Bolt, 3.42's AFR 265 Holley 850 Performer RPM Air Gap Hooker 2455's TCI Turbo 400 Super Street Fighter TRRC 12 Bolt Eaton Posi Mark Williams Axles Cal-Tracs Hoosier 30x10.5 Radial Slick Full weight long box pickup Current best- 11.33@117mph

09-24-2011, 06:28 PM	#2
Hertzdaddy Registered User Join Date: Oct 2008 Location: Montpelier, VA Posts: 315	Re: How wide can you go without relocating leaf springs??? I'm watching this one. I've got the tub and the stock leafs as well. Would be nice to know. Wheel offset would be good to know too. I can measure but confirmation is always good.

09-25-2011, 01:17 AM	#3
69GMC910 MOTORHEAD! Join Date: May 2000 Location: Devon AB, Canada Posts: 849	Re: How wide can you go without relocating leaf springs??? I know there are people out there with this setup!!! Posted via Mobile Device __________________ 82 GMC High Sierra VortecPro 496 12 Bolt, 3.42's AFR 265 Holley 850 Performer RPM Air Gap Hooker 2455's TCI Turbo 400 Super Street Fighter TRRC 12 Bolt Eaton Posi Mark Williams Axles Cal-Tracs Hoosier 30x10.5 Radial Slick Full weight long box pickup Current best- 11.33@117mph

09-25-2011, 10:32 AM	#4
J Knight Registered User Join Date: Jun 2011 Location: Baytown TX Posts: 2,219	Re: How wide can you go without relocating leaf springs??? I asked this question in a pm to a member that had this set up, i don't remember the tire size but he had 15x12s with 7.5 in bs. I'm sure you can take the rear wheels off your truck and measure to confirm that wheel size. Posted via Mobile Device __________________ John 82 Chevy Silverado 350ci/TH350

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