Thread: Identification of my 12 Bolt
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Old 11-06-2020, 08:25 PM   #2
gmc684x4
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Join Date: Jul 2012
Location: Whitehorse yukon
Posts: 1,218
Re: Identification of my 12 Bolt
HC 06 23 3.73 Posi gears 6 month 23 day 67 rear diff

http://67-72chevytrucks.com/vboard/s...d.php?t=486309

https://gmcpauls.com/67-72_chevy.htm
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