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Old 09-29-2006, 02:13 PM   #1
olblue81
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Join Date: Jul 2005
Location: Saskatchewan
Posts: 189
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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