Bolting a new axle up?

Discussion in 'Trucks [ Eighteen Wheelers ]' started by TruckerPete1990, Jul 22, 2022.

  1. TruckerPete1990

    TruckerPete1990 Road Train Member

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    I stay in a higher rpm when climbing otherwise 1300 is perfect for mpg. I just wanna drive in direct more power and lower temps
     
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  3. RStewart

    RStewart Road Train Member

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    Higher rpm and low boost gives you lower temps. With my truck RPMs don't have any effect on fuel mileage but boost sure does. The higher rpm o run the less boost I use.
     
  4. TruckerPete1990

    TruckerPete1990 Road Train Member

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    Jul 16, 2012
    Bentonville Arkansas
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    That's interesting it's opposite for me maybe cuz my tune? U have a 2350 correct?
     
  5. RStewart

    RStewart Road Train Member

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    Yep. Mine is still factory tune but when I get it tuned I don't think much will change cause I'm driving it the way it's recommend to drive the truck with the motor being tuned, if that makes sense.
     
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