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dana 80

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  1. T

    2 questons Redline 75w140 or 75w140ns and nv4500 fluid

    I recently purchased two 4oz bottles of Mopar limited slip additive and have been trying to figure out what fluid to get for my Dana 80 with limited slip. All of the fluids I come across already have a limited slip additive in them besides 80w90 which is what my owners manual says to use unless...
  2. T

    Dana 80 Help

    I have searched all over with varying answers. Truck is a 2002 2500 6 speed manual 4x4 and im wondering what i have in my rear diff. On slippery ground only one rear tire spins and I have learned thats the tire with least traction. Also i was looking at detroit tru trac as a upgrade and would...
  3. W

    2nd Gen Non-Engine/Transmission Dana 80 dually help

    I have an 01' 3500 dually it has a Dana 80 with 3.55 ratio rear end. with abs. disk brakes... The truck was in a wreck by previous owner.. The right axle tube is slipped out 3/4 to a inch out.and fluid ran out. And drove by previous owner...I've been searching for 3-4 months for a replacement...
  4. JKosten

    2nd Gen Non-Engine/Transmission 96 rear axle swap: D80 to D70

    I am looking into swapping my Dana 80 (open diff and drum brakes) for a Dana 70 (Posi and disk brakes) from a 2001. I know that it will bolt in, that the gear ratio's are the same and that it may be about 2" wider. My question is this: Will the reduction in axle load capacity be large...
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