Oil and mpg

Discussion in 'Ask An Owner Operator' started by DUNE-T, Apr 26, 2017.

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  1. Apr 26, 2017 #1
    DUNE-T

    DUNE-T Road Train Member

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    I have been running Mobil oil for a while, but got Rotella the last time, since this new shop did not have my usual oil. They also pretty much insisted on adding a gallon of Lucas, so I can try it out.
    Well, my last run with 43k turned out to be at 6.92 mpg on 900 miles, last week I did this run with 6.4mpg. I manually calculate my mpg every time I fill up and I never got 6.9 before with that much weight going over KY and TN mountains.
    So, did the stars and wind align just right, or can oil and Lucas really make that much difference? I always thought it's just a gimmick.
    I did notice that my N14 is quieter now
     
    DUNE-T, Apr 26, 2017
    DUNE-T, Apr 26, 2017
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  3. Apr 26, 2017 #2
    Mudguppy

    Mudguppy Degenerate Immoralist

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    Never been a fan of rotella, but any products Lucas produces, especially the oil stabilizer, are outstanding and well worth the cost. In my experience and IMHO.
     
    Mudguppy, Apr 26, 2017
    Mudguppy, Apr 26, 2017
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  4. Apr 26, 2017 #3
    Scottyboy

    Scottyboy Light Load Member

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    Scottyboy, Apr 26, 2017
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  5. Apr 26, 2017 #4
    cnsper

    cnsper Road Train Member

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    Lol I just put lucas in a couple of weeks ago. I also noticed an improvement in the mileage. Need more time to really determine. Luckily I have the same run for a few more months
     
    cnsper, Apr 26, 2017
    cnsper, Apr 26, 2017
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  7. Apr 26, 2017 #5
    Atlanta trucker

    Atlanta trucker Road Train Member

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    Every time I get my truck serviced the mileage goes up. Could it be the new fuel filters ? Could it be the fuel injector cleaner I prime the new filters with ? Could it be the brand new oil ?
     
    Atlanta trucker, Apr 26, 2017
    Atlanta trucker, Apr 26, 2017
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  8. Apr 27, 2017 #6
    Mudguppy

    Mudguppy Degenerate Immoralist

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    Definitely maybe! LOL
     
    Mudguppy, Apr 27, 2017
    Mudguppy, Apr 27, 2017
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  9. Apr 27, 2017 #7
    AModelCat

    AModelCat Road Train Member

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    I used to throw a bottle of lucas in my old 360 gasser. Never noticed any difference. A little increase in oil pressure and lifters were a little quieter. I got the same result running 15w-40 in it instead of 10w-30 lol.
     
    AModelCat, Apr 27, 2017
    AModelCat, Apr 27, 2017
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  10. Apr 27, 2017 #9
    Wdragracer

    Wdragracer Bobtail Member

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    Wdragracer, Apr 27, 2017
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  11. Apr 27, 2017 #10
    Wdragracer

    Wdragracer Bobtail Member

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    I average 9.2 to 9.5 But my truck is governed at 60. Been trying to get to 9.9 for a 6 cent fuel bonus, maybe I should try the lucas.
     
    Wdragracer, Apr 27, 2017
    Wdragracer, Apr 27, 2017
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  12. Apr 27, 2017 #10
    Atlanta trucker

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    Buy new fuel filters and a gallon of the fuel injector cleaner. Fill up the new filters with the injector cleaner then replace them on your truck and I guarantee your mileage will go way up. Enough to get you to 9.9 that I don't know but I guarantee your mileage will go up. What type of setup do you have ? Mileage into the 9's is very very very good.
     
    Atlanta trucker, Apr 27, 2017
    Atlanta trucker, Apr 27, 2017
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