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Thread: P1SC boost question

  1. #1
    Junior SCH Member
    Join Date
    Oct 2004
    Posts
    39

    P1SC boost question

    My motor is 10.3:1...I run nothing but 112 fuel.I have the big 3 core sheetmetal cooler.I have the 7 inch crank pulley with a 3.85 on the blower,Im seeing 10# of boost as soon as I mash the pedal to the floor.I just had the head unit rebuilt and going to put on a 3.40 pulley,in your best guesstimate how much more boost will I see..Im hoping close to 14

  2. #2
    SCH Member
    Join Date
    Aug 2004
    Posts
    98
    I would guess about another 4 1/2psi, so you'll end up with about 14 1/2.

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