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Old 11-29-2022, 10:08 PM   #4
1976gmc20
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Join Date: May 2015
Location: Montana
Posts: 3,696
Re: 2WD '99 OBS - Wheels?

Squarebody wheels have a drastically different backspace and will stick out farther than GMT400 wheels.

I was dealing with 6 hole but I know from sad experience that they will NOT fit the other way as the GMT400 wheels will hit the brakes on a squarebody. When I say "hit" I mean they will not even go on all the way. Actually you have to cut the centers out to get them on at all (which incidentally means you can't return them).

So the squarebody wheels on a GMT400 will be supported only by the lug bolts.
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Current/past Chevy/GMC trucks:
1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD

Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner
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