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Old 10-04-2016, 10:54 PM   #100
COS399
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Join Date: Dec 2013
Location: Northern, MT
Posts: 569
Re: 87 Chevy Crew Cab 4x4 Converion/Cummins swap

Glad to hear your finally getting to drive it. I had to change the gear ratio in mine because it would only go above 65 mph when you were headed down a hill.
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1987 GMC R2500 SC 454 T400
1988 Chevy R30 CC DRW 12 valve Cummins NV4500 GearVendors
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