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Ram Heavy Duty Forum

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  1. T

    New Battery

    Thinking when the time comes maybe I want to upgrade the battery to something larger/more CCA's. Has anyone else done this and what size will fit in the stock battery location. I have already run mine down once listening to the radio while polishing/coating the truck.
  2. T

    limited slip additive

    What limited slip additive is everyone using and how much are you adding with a rear axle change. I have 1 4 ounce bottle of Mopar additive left over from years ago. It says to use 2 to 5 % by weight. Are all brands of additive the same ? Can additive bought from different sources be mixed...
  3. T

    6.4 Vacuum line

    Looking under the hood of my 2020 3500 with 6.4 I see the vacuum line running from the engine to the brake booster. There is a tee in the line close to the engine that goes to some round device near the power steering with a check valve in. What is that round thing?
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