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Please forgive me for asking: Fuel additives?

Discussion in 'Early CJ5 and CJ6 Tech' started by BenB, Feb 20, 2007.

  1. Feb 20, 2007
    BenB

    BenB Member

    Stevensville, MD
    Joined:
    Jul 30, 2006
    Messages:
    72
    Does anyone use any type of fuel additive to clean the fuel system or for any other reason?
     
    BenB, Feb 20, 2007
    #1
  2. Feb 20, 2007
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
    Joined:
    Sep 20, 2002
    Messages:
    9,221
    If the fuel system needs cleaned that badly I take a can of carb cleaner and clean the carburetor up with it. :)

    From what I've read, others can correct me if I'm wrong, most of today's gasolines have enough detergent in them to keep the fuel system clean.

    Otherwise, take the gas tank out, have it boiled, replace the fuel line, rebuild the carb and be sure and soak it in chem dip - only for the most extreme cases.

    Are you having an issue you're trying to solve?
     
    sparky, Feb 20, 2007
    #2
  3. Feb 20, 2007
    Executioner

    Executioner Member

    Reading,Pa, USA
    Joined:
    Aug 19, 2006
    Messages:
    347
    Only one I'd use is Marvel Mystery Oil, but I've never had any issues and all my vehicles were atleast 15 years old.
     
    Executioner, Feb 20, 2007
    #3
  4. Feb 20, 2007
    BenB

    BenB Member

    Stevensville, MD
    Joined:
    Jul 30, 2006
    Messages:
    72
    No, just curious. I have always been skeptical, but I have never been able to get an honest answer from the guys at the auto store as to whether or not the products work. I don't really put much faith in a salesmens response. They are in the business of selling stuff.
     
    BenB, Feb 20, 2007
    #4
  5. Feb 21, 2007
    willysnut

    willysnut Banned

    Newnan, Ga.
    Joined:
    Oct 8, 2003
    Messages:
    654
    Used to use lead substitute for a while, then use MMO when it's going to setup for a while.
     
    willysnut, Feb 21, 2007
    #5
  6. Feb 21, 2007
    JhnBrackett

    JhnBrackett Race Engimuneer

    Lakewood, CO
    Joined:
    Oct 17, 2002
    Messages:
    120
    Filling your tank once with high octane should do the trick. It has the same stuff the fuel cleaners sold at Autozome have in it.
     
    JhnBrackett, Feb 21, 2007
    #6
  7. Feb 21, 2007
    LarryD

    LarryD Member

    Gallup NM/ 4 Corners
    Joined:
    Jul 7, 2006
    Messages:
    637
    I persomally wouldn't use anything unless I had an issue I was trying to correct. If I had a carb issue I might try a addivite to clear out any gunk buildup but I wouldn't add some with every tank. I think the best idea is to run with a good fuel filter and change it annually or more often depending on milleage. One exception might be Stabil in the case of long term storage. In the past I had considered lead additive on pre 75 engines but I recently rebuilt a 48 L134 and there were no valve issues so I don't even run lead additive.
     
    LarryD, Feb 21, 2007
    #7
  8. Feb 21, 2007
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    Aug 10, 2003
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    I use Dry-Gas occasionally.

    Pretty sure the truck came with Stabil.
     
    timgr, Feb 21, 2007
    #8
  9. Feb 22, 2007
    tommy b

    tommy b Member

    Golden, Colorado
    Joined:
    Oct 23, 2005
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    341
    I use BG 44K if I'm having problems with the injectors in my newer vehicles. FWIW. Seems to work well. Expensive, though.

    tommy b
     
    tommy b, Feb 22, 2007
    #9
  10. Feb 23, 2007
    66cj5

    66cj5 Jeep with no name

    NorthWest Indiana
    Joined:
    Sep 10, 2003
    Messages:
    2,084
    I use the seafoam additive in the gas in the jeep (stabilizer) and truck (cleaner). truck pics up a mpg for a fillup or two.
     
    66cj5, Feb 23, 2007
    #10
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