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12-14-2019, 02:20 PM
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#1 |
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Registered User
Join Date: Jun 2018
Location: kannapolis north Carolina
Posts: 29
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18x12 backspacing question
Can I run a 18x12 with a 6" backspacing on a late model 70 c10 wider rear end? Truck has no bedfloor or tubs, just bedsides. How close would that get it to flush?
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12-15-2019, 05:08 AM
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#2 |
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Registered User
Join Date: Jun 2018
Location: kannapolis north Carolina
Posts: 29
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Re: 18x12 backspacing question
They also come in 5.5bs
Alternative is 18x11 with either 6bs or 5bs |
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12-16-2019, 07:56 AM
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#3 |
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Senior Member
 
Join Date: Jan 2011
Location: Hayes Va
Posts: 4,569
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Re: 18x12 backspacing question
You would need to pick the tire you want to run and use a tool like the ones listed in the link below. The tire is what you have to make fit and the tool will tell you the rim you need.
Jimmy https://www.summitracing.com/search/...imulator-tools
__________________
60 to 66 Chevy and GMC window decals http://67-72chevytrucks.com/vboard/s...d.php?t=661131 Good friends, good food and a hotrod what else do you need? 1966 BBW long fleet Daily driver 1965 BBW short fleet Sold and going to a good home 1965 Suburban 2003 3500 Duramax 2005 Ultra Classic |
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12-16-2019, 11:04 AM
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#4 |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,068
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Re: 18x12 backspacing question
The shorter width 6-lug 12bolts allow about ~10" of back space before you have clearance problems (if the wheel diameter clears) @ the suspension. I ran 15x14" wheels (9.75"BS??) w/widened tubs & the shorter width 12bolt
So, will your proposed combo's 'fit' with the wider housing? They can. Will they look right? Only way to know is to measure your set-up. I would bet if the truck is lower than stock height, there will be issues @ the bedside requiring more back spacing. My best WAG is you need closer to ~8" BS w/the wider rear housing if the truck is lowered & you don't want to have to worry about rubbing @ the bedside.
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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12-17-2019, 05:21 PM
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#5 |
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Registered User
Join Date: Mar 2005
Location: 10-Uh-See
Posts: 5,609
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Re: 18x12 backspacing question
What wheels are you looking at?
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