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Thread: Looking for better fuel mileage

  1. #21
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    My old 1997 Suburban has the 350 cu in with the big transmission with the tow package. It has 187,000 on it now and runs like new. I can get 14/15 mpg around home and 16/17 on the interstate with the AC running. I'm running stock size Michelin series E (10 ply) tires with 60 psi rear and 65 front. I use NAPA 5W20 Synthetic oil and the NAPA Gold filters. As for suggestions for better mileage, tires and tire pressure can do a lot along with proper alignment, keep it tuned and filters hanged but keeping your foot out of it also helps.
    TrucksNCoffee likes this.
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  2. #22
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    Remove any extra weight(the front bumper/guard is HEAVY.Proper air inflation in tires(maybe up it a little for less rolling resistance).Make sure engine is in an excellent state of tune.Drive like grandma.

    Maybe a k&n air filter in the stock box and a replacement free flow muffler.You can do cold air intakes,full exhaust,etc and maybe pick up some gains but my experience is the more fun you make it the more you will use it defeating any gains.
    The engine is an air pump.Make it as efficient as possible and drive easily.The more weight you remove the better.
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  3. #23
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    Speaking of mileage, ethanol is do to go above 10%. The more ethanol the less gas mileage i get. I'm also going to have to use more sea foam to cut the corn syrup build up. It might bee better to use boat gas at this point if I'm going to have to use additives to cut the corn sugar. I don't have a flex fuel engine.
    darbo likes this.

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  5. #24
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    Nice looking truck - me likee

    Grab several 5 gal. jerry cans and keepem full in the back. Er ... maybe not that adds weight ... heck get a dang little rice burner if you want good mpg

  6. #25
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    I can't say how it works on smaller stuff but those ugly deflectors on the cabs of semis and fronts of their trailers do increase the mpg. Years ago, before they were so standard, a fleet we serviced asked us to install them and the difference in mpg was noticeable. IIRC, they were gaining 6-8 mpg (loaded).
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  7. #26
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    Quote Originally Posted by NativeTexan View Post
    BTW, that's a nice lookin' truck.
    Quote Originally Posted by jonrjen View Post
    I could say that it has to do with the "Bowtie" emblem on the grill, seeing as how I am a Ford guy. But, truth be told, that's one fine looking truck.

    And sometimes it's not all about how inexpensive you live your life, but more about the class of life that you live. That my friend is one classy truck!!
    Quote Originally Posted by Smokewagon View Post
    Nice truck. You might try one of the new electric pickups when they come out
    Quote Originally Posted by JimmyA View Post
    Nice looking truck - me likee

    Grab several 5 gal. jerry cans and keepem full in the back. Er ... maybe not that adds weight ... heck get a dang little rice burner if you want good mpg
    Thank you all for your compliments. I am blessed to own such a fine looking vehicle. The interior is in better condition than the exterior.

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  8. #27
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    A Pruis and motel 6?
    DeltaBravoKS and jwc007 like this.

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  9. #28
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    Quote Originally Posted by kschilk View Post
    There are three definite rules when it comes to internal combustion engines...

    1. you can't make more power by burning less fuel

    2. performance sacrifices reliability

    3. screwin' with things only screws things up

    These are the so far unbroken laws of the universe, despite decades of effort by the world's greatest minds and likely will remain so forever.
    Those three rules are firmly entrenched in my thinking, especially #3. My corollary: If it ain't broke, don't fix it. Thanks for the reminder.
    kschilk and jwc007 like this.

  10. #29
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    Quote Originally Posted by maloy View Post
    Myth Busters busted the tailgate theory. I know when I did it, I kept good notes and on a couple of trips from Ohio to Florida, I showed a small loss. I kept the tailgate on after that.

    You'd think the less weight alone would help, but you actually get more drag.

    Maloy
    I have seen that, and similar, reports. My tail gate is staying on and up.

  11. #30
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    Quote Originally Posted by Ickthus View Post
    Do like Dodge, unhook 4 of the spark plugs.
    Then it'd run like a Dodge. No, thank you.

 

 
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