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Old 06-30-2016, 05:00 AM   #11
MTCK
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Join Date: Dec 2009
Location: Fairbanks, AK
Posts: 1,830
Re: 1991 V3500 Project Heavy Hauler

Painted both diff covers and filled with 75w90. When I dropped the transfer case oil it scared the crap out of me: ATF! A little reading revealed that sometime in the late 80's GM went to ATF in the NP205's, so I refilled with some dextron 6. The problem with a shiny part is that it makes all the other parts look like they need a coat of paint.

Going to run her hard over the holiday weekend. Pretty good trip up into Canada, camping, hauling along some friends and over 1000 miles on the schedule.
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1991 V3500 L29 454 4L80E NP205 D60/14 Bolt 4.56's
1984 K30 292 TH400 NP205 D60/14 Bolt 4.56's flat bed 7'6" Meyer Plow
2022 Silverado 3500 L8T
Project Daily Driver
Project Heavy Hauler
Project Plow Truck
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