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09-29-2006, 02:13 PM
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#1 |
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Registered User
Join Date: Jul 2005
Location: Saskatchewan
Posts: 189
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Is there a 73-87 thread on wheels?
Is there a thread about wheel sizes and backspacing for the 73-87s? All I've found are 67-72.
Just wondering how 18" x 8" with 5" backspacing will work on the front. Will there be clearance issues on the a-arms at full lock? I believe that 8" rally wheels have 4" of bs, so going to a 18 x 8 with 5" of bs should just pull the wheel in from the fender an inch. Tire I'm looking at will be 255/50R18. I figure a 18" x 9.5" or 10" will work fine on the back with 5" bs. Looking at 295/45R18.
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Stu- 1981 GMC Sierra Classic LWB 355- original 2 bolt block, 10.2:1, vortec heads, Comp XE268 cam, built by self in 1992 700R4-2000 stall with lockup, shift kit, Corvette servo 3.07 open diff- I need a 3.73 posi! 2nd owner since 1986 - 388,000 km and counting. 100k by the first owner and the rest by me. Last edited by olblue81; 09-29-2006 at 02:20 PM. Reason: added info |
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10-01-2006, 12:44 AM
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#2 |
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Until Seventy Times Seven
Join Date: Feb 2005
Location: Rocky Mountain Front Range
Posts: 1,301
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Re: Is there a 73-87 thread on wheels?
There's been a few threads here and there that have some discussion on backspacing. Here's one such thread : http://67-72chevytrucks.com/vboard/s...d.php?t=178380.
I don't know what type of drop you have (or after), but I think your bs specs sound good. A 5" bs on 18x8s on the front should work, But I'm not sure on any A-arm rubbing. And, a 5" bs on the rear with 18x10s should also work. 
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boxRODz 1983 C10 SWB Fleetside When two halves is gone, there's nuthin left. Two nothings is nuthin. That's mathematics son. You can argue with me but you can't argue with figures. Two half nothings is a whole nuthin... |
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