A/fuel Cid ???????

Discussion in 'PSI Superchargers Tech Questions' started by andretakeda, May 5, 2007.

  1. andretakeda

    andretakeda New Member

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    Why many a/fuel use small CID ? have diference for use limit CID ?
     
    #1
    andretakeda, May 5, 2007
  2. Will Hanna

    Will Hanna We put the 'inside' in Top Alcohol
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    weight

    most run the smaller motors to get the weight down. they are at 5.0 lbs per cube, so with a 421 you can weigh 2105.

    some teams run the 433 to get the torque up a little bit at the hit, or they can't make 2105, so the run the bigger motor.
     
    #2
    Will Hanna, May 5, 2007
  3. nitrohawk

    nitrohawk New Member

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    The minimum weight for the 07 season with an a-fuel car is 2125 lbs. What Will says is correct. Most cars are in that range unless they have a heavy driver. If that were the case you might want to run a larger engine as long as you don't have to add a lot of weight. Most of us don't like bolting dead weight to the car.
    It is not hard getting close to the 2125 even with a steel bellhousing unless you have a heavy driver or extra large fuel tank.
    Some of the ex/top fuel cars have a very large fuel tank that takes a half drum of nitro to fill the first time. You will only use about 5.5 to 6 gallons per run. The extra nitro over the amount a normal size tank for an a-fuel car will add close to 10 lbs per gallon. Just food for thought.
     
    #3
    nitrohawk, May 6, 2007

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