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Thread: 850 alcohol quick fuel base settings

  1. #1

    850 alcohol quick fuel base settings

    388 engine changed from 1050 dominator gas to 850 alcohol just want to know some base settings never ran alcohol before on this car thanks car ran 6,20.s on gas what should it do on alcohol thanks

  2. #2
    Senior Member RACING JUNKIE
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    You think it carries the wheel now, just wait :lol:

    Really the QF is a hard carb to figure out but they seem to like a jet on the smaller side do you know whats in it now? Do you have a elec or belt fuel pump drive setup ?
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  3. #3
    barry grant 400 jets are 84 squared but was on very mild steel headed big block

  4. #4
    Senior Member RACING JUNKIE
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    Quote Originally Posted by waynesworld154
    barry grant 400 jets are 84 squared but was on very mild steel headed big block
    84 Squared on a alky carb ? Are you sure, double check them with a drill bit and see because 84 is not at all right.
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  5. #5
    1/8 drill bit but i had a regulator go down didnt know that alcohol would eat a gas reg. so waiting on jegs right know real world what should i expect out of this change

  6. #6
    Senior Member RACING JUNKIE
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    Quote Originally Posted by waynesworld154
    1/8 drill bit but i had a regulator go down didnt know that alcohol would eat a gas reg. so waiting on jegs right know real world what should i expect out of this change

    ok so .125's Yes it will eventually eat the seals up in the BG 400 so maybe buying a set to have with you at the track might be a good idea, they are on rj for 13.00 I think.

    If its alky is right 6.0's maybe better if gas is off.
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  7. #7
    didnt eat pump ate mallory regulator diaphram

  8. #8
    Senior Member RACING JUNKIE
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    Quote Originally Posted by waynesworld154
    didnt eat pump ate mallory regulator diaphram
    very common when switching alky will eat up the sub-par gas stuff for sure, I think eventually the seals will be gone in the pump, they are known for it.
    David Lanning
    IHRA NHRA 387B

    Fleenor Racing Transmission
    419-280-1406
    Lanning Electric
    Complete Drag Car Wiring
    APD Race Engines
    www.apdracing.com

  9. #9
    Senior Member MASTER BUILDER
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    curious

    Are there holes drilled just above the jets? Just wondering if it is a converted carb.

  10. #10
    no holes drilled and it has 164 jets in it pics up 15 degrees from burnout to turnout


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