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hot gas?

Discussion in '40- & 55-Series Tech' started by rusmannx, Feb 10, 2004.

  1. rusmannx

    rusmannx

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    why don't we preheat our gasoline?
    would this help start on those cold mornings?
    does warm gas combust more efficiently?

    i've thought about putting an inline warmer, but i think
    the carb would be full of cold gas, so the warm gas wouldn't
    get there during startup anyway.

    any thoughts?
     
  2. Degnol

    Degnol

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    You're better off heating the air it mixes with as it is the greater % of the mix hence, the heat riser. Like cold gin in warm tonic, better the cold tonic and warm gin.
    When the fuel/air mixture is compressed in the cylinders, it DOES heat up. Warming the fuel would have little to do with this as it is a relatively small portion of the whole equation. If you're operating in severely cold climates, try a block heater. They are rated by watts, just like light bulbs. I had one on my CJ and it worked great, the heater was instantly warm, too.
    Just say"NO" to fuel heaters ;). But you are thinking on the right track. :)
    Ed
     
  3. cavsfj40

    cavsfj40

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    a dude around here was heating gas to eliminate fuel line freeze a few years ago and he was using a pot on a gas stove. wow. he died.
     
  4. folsom50

    folsom50

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    I'd tend to agree with Ed, the fuel part of the equation is so small that pre-heating that alone would have very little impact on the end result.

    Typo...
     
  5. tewlman

    tewlman

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    i'm not sure of the exact reason, but summit sell a chiller unit for fuel lines to reduce fuel temp.

    beans can cause hot gas for what its worth ;)
     
  6. cavsfj40

    cavsfj40

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    cold gas cools the air charge for racers out there
     
  7. folsom50

    folsom50

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    I'd bet that the chiller set up would play into the hands of the 1/4 mile crowd that uses NOS to cool the air. Not passing judgement, but they would pay alot for 1/10th of a sec. Not the 10th of a mile in 1 minute cruiser drivers like us.
     
  8. folsom50

    folsom50

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    Oops, cavs beat me.
     
  9. cruiser_guy

    cruiser_guy

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    Fuel line heaters are meant for diesel to help prevent fuel gelling in cold weather.
     
  10. rusmannx

    rusmannx

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    aaaaahhhh.
     
  11. Poser

    Poser Oh...Durka Durka Durka. s-Moderator Supporting Vendor

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    [quote author=rusmannx link=board=1;threadid=11328;start=msg103042#msg103042 date=1076475525]
    aaaaahhhh.

    [/quote]


    Kinda figured you knew that dude....
     
  12. rusmannx

    rusmannx

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    nope, never occured to me that it could gel.
    this is why i asked.
     
  13. Poser

    Poser Oh...Durka Durka Durka. s-Moderator Supporting Vendor

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    No worries man!

    :beer:
     
  14. Rice

    Rice SILVER Star

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    Preheating gas on cold starts would help except once the gas is atomized it dumps heat very fast. For carbed engines the real issue is the intake. Engines like atomized gas ... not liquid ... so when gas hits a cold intake runner on it's way in some of your atomized gas recollects. This is one reason why fuel injectors do better on cold mornings ... more pressure and better atomization, plus if it's a mulitport system fuel does run the whole length of the intake.
     
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