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Re: Boss 338 Wheels **GROUP BUY**
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Originally Posted by brossow
The good news is they're a direct bolt-on for your '00 GMC.  |
00 GM's are 6-lug.
Quote:
Measure your truck and compare it with the offset of these wheels. Pre-'70 will almost certainly require a spacer. '71-87 rear ends are 3/4" wider on each side (1.5" total) and may not need a spacer, or may only require a thin one rather than the full adapter-style spacer. Only you can determine for sure if you'll need a spacer.
Everyone needs to be clear: the wheels were retooled for a hub fitment issue, not a backspacing problem. If the backspacing was wrong for your application before, it'll be wrong for your application now. Some people used spacers in the past as a workaround for the fitment issue with the front hub, not because it was needed for backspacing.
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I can't run more than 5.50"BS on my 74. Anything more & it will rub the inner wheel tub/mounting hardware.
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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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