Thread: 1987 GMC R3500 dually with th400
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Old 02-24-2015, 02:25 PM   #1
Chevy Padilla
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Join Date: Feb 2015
Location: Phoenix
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Question 1987 GMC R3500 dually with th400
I have 1987 GMC R3500 dually with th400 I was wondering what upgrade I can do with th400 for hauling towing
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