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    fctiger's Avatar
    fctiger Posts: 2, Reputation: 1
    New Member
    		  
    #1

    Aug 22, 2010, 06:24 PM
    1997 f250 4x4 7.3 liter powerstroke power
    I own a 1997 F250 Ford 4x4 7.3 liter powerstroke diesel that I bought new. It now has 78,000 miles on it. I get average 17 MPG highway. Just bought a fifth wheel camper, weighing about 8500 lbs. Just want to know what I can do to get better fuel mileage with this truck and maybe a little more power. I just flushed the transmission fluid and the mechanic said it was very clean. I just want some tips on this truck. And something that is not going to cost a lot of money.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #2

    Aug 23, 2010, 06:34 AM

    Use SAE 5W-40 full synthetic heavy duty diesel oil.

    Use Mobil 1 Multi-Vehicle Synthetic ATF in the transmission and power steering system.

    Use Mobil 1 Synthetic Gear Oil in the differential.

    Together, these suggestions should increase gas mileage by 8 to 10%.
    fctiger's Avatar
    fctiger Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Aug 23, 2010, 02:22 PM
    :)thank you for the tips! I will do them. Also will it help to straight pipe the exaust? And is this one of the better diesel motors out there? Or should I update?
    Quote Originally Posted by TxGreaseMonkey View Post
    Use SAE 5W-40 full synthetic heavy duty diesel oil.

    Use Mobil 1 Multi-Vehicle Synthetic ATF in the transmission and power steering system.

    Use Mobil 1 Synthetic Gear Oil in the differential.

    Together, these suggestions should increase gas mileage by 8 to 10%.
    TxGreaseMonkey's Avatar
    TxGreaseMonkey Posts: 16,761, Reputation: 5597
    Uber Member
    		  
    #4

    Aug 23, 2010, 02:44 PM

    Look into the oils and bypass filter mentioned in the link below:

    https://www.askmehelpdesk.com/cars-t...ml#post1415281

    I think the 7.3L PSD is the best diesel engine Ford has ever made. I'd save your money on the exhaust.
    Seaguppy's Avatar
    Seaguppy Posts: 1, Reputation: 1
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    #5

    Jan 7, 2011, 12:56 PM
    You should sell it to me and buy a Honda.
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