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Thread: Alcohol Anyone??

  1. #1

    Alcohol Anyone??

    I have a SBC that makes around 775HP and has run 9.6 @ 140 on Alcohol...What do you think I will lose as far as HP and/or ET if I switch over to race gas?? Looking for anyone who has tried this with their combo and knows first hand what the results were.

    Thanks, Joe

  2. #2
    Senior Member RACING JUNKIE
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    on my 434 sbc I went from a gas carb to apd alky and gained .15 in the 1/4 with no tunning, also seen about the same on my big blocks.
    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
    Thanks Hammer, My combo was running a sheet metal intake with a split alky dominator (2-2barels) and I want to switch back to a ported cast aluminum intake with a single Dominator for class reasons...I'm just afraid the car might lose alot of ET.

  4. #4
    Senior Member RACING JUNKIE
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    I would be ready to loose as much as 2 tenths.
    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
    Senior Member RACING JUNKIE
    Join Date
    May 2003
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    and not a problem
    David Lanning
    IHRA NHRA 387B

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

  6. #6
    I would be very happy if thats all I lose! I was thinking I would lose 4-5 tenths. Thanks again for your input.

  7. #7
    Senior Member RACING JUNKIE
    Join Date
    May 2003
    Location
    Coldwater, MI
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    2,998
    The intake swap may hurt things, getting the carb/intake correct when you change will be key or you may loose a lot more then 2 tenths. If both setups are good there is no reason to loose anymore then this though.
    David Lanning
    IHRA NHRA 387B

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

  8. #8
    small block 440 chevy makes 43 hp less on gas on the dyno

  9. #9
    I lost 3/10ths on my 434 small block set up.


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