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Re: Trying to clear up 15x8 truck rally confusion
Quote:
Originally Posted by Luke87gt
Hi guys,
I’m planning on picking up a set of OEM 15x8 6-lug (4.0” BS) truck rally wheels tomorrow. I don’t know which Chevrolet model they originated from but I understand that they made these wheels from 67-87 C10/Blazer. Somewhere in that time the stud size changed from 7/16-20 to 1/2-20. Additionally some of these rallys came from 4wd and some 2wd c10/blazer.
I assume these are all interchangeable and will fit a ‘69 c10 2WD regardless of what c10/blazer they originated from? Would you please help confirm.
I’m trying to avoid buying wheels that won’t fit my truck (wrongly assuming I can run a 1987 4WD Blazer rally wheel on my ‘69 c10, for example). Thank you
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Those GM Ralleys were a Squarebody 4x4 item through '87. They will work on earlier 6-lug 2wd trucks too.
Pre-71, C10's had 7/16 studs. Once disc brakes came along, it was 1/2" studs.
They will work on either size of studs w/the correct lug nut.
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