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Attention: TDR Forum Junkies
To the point: Click this link and check out the Front Page News story(ies) where we are tracking the introduction of the 2025 Ram HD trucks.

Thanks, TDR Staff
  1. johnharris

    Shell oil

    Where can I get a good price for Shell Rotella T5 10W-30
  2. johnharris

    Oil change

    I have a 2020 3500 HD Ram and would like to know how often to change the oil? I have not changed it yet and have 6,000 miles. I think they used synthetic oil from the factory and my indicator says I have 57% left. I have always changed my oil at 4,000 mi intervals with regular oil.
  3. johnharris

    Fuel Additive

    Hello All, I had an 02 before my 20 and always used Stanadyne additive which worked great (never replaced injectors). I recently called Stanadyne and asked if it would be ok to use in my 2020 and they said it would help more since it would help the DEF particulate. They also told me to not let...
  4. johnharris

    Tire inflation

    I keep having to take my truck back to the dealer for tire pressure indicator dash warnings. Any suggestions or comments?
  5. johnharris

    Fuel Filter Replacement

    I have a 2020 3500 HD 6.7 and would like to know how to change the fuel filters?
  6. johnharris

    Fleet Guard Antifreez

    Can someone tell me where I can purchase some Fleet Guard Antifreez. Oo. Oo.
  7. johnharris

    Engine/Transmission (1998.5 - 2002) Fluid Types

    I have been reading past topics on fluid changes. I have a 2002 and would like to know what fluids to put in the transfer case and the front and rear differentials. I'm reading Amsoil is the best.
  8. johnharris

    Engine/Transmission (1998.5 - 2002) Jake Brake

    Can I install a Jake Brake in my 02 with auto trans? I think I heard somewhere down the road you could not with auto's. :eek:
  9. johnharris

    Engine/Transmission (1998.5 - 2002) Fluid change tranie

    My dealer is telling me I need a Transmission fluid change at 12,000 mi. I don't haul that much, do I need it?:confused:
  10. johnharris

    Engine/Transmission (1998.5 - 2002) Changing fuel filter /02

    I have searched for past info on fuel filter change and have not found much on 02 model. Could you please give me step by step instructions on replacement of fuel filter. Thanks:rolleyes:
  11. johnharris

    Engine/Transmission (1998.5 - 2002) fuel economy/gear ratio

    Dose a gear ratio (4:10 vs 3:55) give different fuel economy (MPG). If so what would the difference be?:{
  12. johnharris

    Engine/Transmission (1998.5 - 2002) Wait to start engine light

    'Wait to start engine', light Do I need to wait for the 'Wait to start engine light' goes off before I start my engine when it is warm?Oo.
  13. johnharris

    Engine/Transmission (1998.5 - 2002) Over Drive, when to use

    I own a new Cummings 3/4 ton with auto trans and 4:10 ratio gears. When pulling my boat (3,400 lb), light load, I'm unsure when to take it out of OD. I heard that the OD gear is the weakest gear in the Tannie and was wandering if on gradual grades I could leave it in OD since with my high...
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