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Thread: ALCOHOL DOMINATOR , WHAT IS A GOOD JET STARTING POINT???

  1. #1

    ALCOHOL DOMINATOR , WHAT IS A GOOD JET STARTING POINT???

    HI EVERYBODY , I HAVE A 555 BBC NESSBIT MOTOR , 15-1 COMPRESSION, I EM GOING TO USE AN 1150 ALCOHOL DOMINATOR, THE MOTOR MAKES ABOUT 820 HP AT THE CRANK IN MY ALTTITUDE ..WHAT IS A GOOD START POINT FOR THE JETS, WHAT SIZE OF JETS SHOULD I START WITH TO BE SAFE . I DONT WANT TO MILK THE OIL AND ALSO DONT WANNA LEAN IT OUT , ANY IDEAS WILL BE APPRECIATED, THANK YOU

  2. #2
    Senior Member RACING JUNKIE
    Join Date
    Mar 2003
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    What brand carb? I ask because I know each builder is a little different. For instance with my Rupert carb that is very fat on the idle circuit I have 161's in my carb. With the APD carb that is lean on the idle circuit I would look at 196-200 on the jets. This would be a 1250 on a 582.
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  3. #3
    THANK YOU SHAWNP , MY CARB IS A ---- J.E.R. ---- JIM EVANS RACING 1150 , THANKS

  4. #4
    Senior Member RACING JUNKIE
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    Quote Originally Posted by rosameelpito
    THANK YOU SHAWNP , MY CARB IS A ---- J.E.R. ---- JIM EVANS RACING 1150 , THANKS
    178's, Idle mixture screws out 2.5
    David Lanning
    IHRA NHRA 387B

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  5. #5
    thanks for all the info guys, got ahold of jim evans of jim evans racing , he guy who built the carb. he said start at 218 jet ,,and go up from there ..i guess every alcohol carb is different.


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