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12-12-2014, 05:20 PM
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#1 |
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Registered User
Join Date: May 2011
Location: Texas
Posts: 984
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Rally wheel question
Where can I tell the size of rally wheels with tires on? Thinking 15x8 but can't be sure and truck is not running to go to tire shop, and of course I don't have a jack handy to take it off. Where is the factory stamp usually on the wheel? As always many thanks in advance.
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Rest In Peace:Mikhail {Mickey Rooney} Alpha 2/5/13 Omega 7/22/14 10:28AM I love you tremendously and outragiously Superpuppi Thai Ridgeback...The most intelligent dog known to me. Don't mess with my truck, my momma or my money...not necessarily in that order. ©Stand for something or fall for anything. [LIST][*]'98 Bourbon St. Brawl ©2010
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12-12-2014, 07:57 PM
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#2 |
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Registered User
Join Date: Dec 2013
Location: West, TN
Posts: 312
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Re: Rally wheel question
Seems like I remember the numbers being stamped on the back side of the wheel when I painted my Rally's. The date of manufacture and the letters JJ? I think JJ means 15x8, but not 100% on that. Post a close up pic of your wheels and that should tell us.
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12-12-2014, 10:31 PM
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#3 | |
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Registered User
Join Date: Jun 2014
Location: Orlando Florida
Posts: 1,598
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Re: Rally wheel question
The ones from my van are stamped on the back, 15x6.5.
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12-13-2014, 11:01 AM
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#4 |
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Registered User
Join Date: May 2012
Location: Colo Springs, CO
Posts: 870
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Re: Rally wheel question
Aren't all 6-lug, truck/suburban/blazer Rally wheels all 15x8? When you get to the 5 lug or van wheels, you get the smaller width ones.
The factory option aluminum wheels are 15x7, 6-lug of course.
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- Jeff 89' K5 Blazer, 2.5" lift, 35" tires  04' GMC Yukon XL, 3/4 ton, 8.1L |
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12-13-2014, 09:34 PM
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#5 |
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Registered User
Join Date: Dec 2013
Location: West, TN
Posts: 312
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Re: Rally wheel question
The 5 lug truck Rallys are 15x8 or 15x7. The van Rallys are 15X 6.5. My truck has 15x8.
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12-13-2014, 09:46 PM
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#6 |
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Registered User
Join Date: Sep 2007
Location: Wichita Falls, Texas
Posts: 459
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Re: Rally wheel question
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12-13-2014, 11:28 PM
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#7 |
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Registered User
Join Date: Jun 2013
Location: Somewhere
Posts: 3,154
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Re: Rally wheel question
This is probably the moron approach (my way), and is harder to explain than do...
 Picture 2 1x2s clamped by rubber bands on opposite sides of the tire. Measure the width of the tire at its widest point, or the distance between the 2 1x2s. Measure from the 1x2 to the outer bead seat. Do the same for the inner. Subtract those measurements from the tire width and subtract 1/4" for the thicknesses of the wheel. Round to the nearest half inch. |
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12-13-2014, 11:43 PM
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#8 |
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Registered User
 
Join Date: Aug 2014
Location: Pittsburgh, PA
Posts: 627
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Re: Rally wheel question
I believe 15x8 rallys use the deep 3in beauty rings and the 15x7 rallys use the shallower 2in beauty rings.
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