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Thread: brake pedal real hard

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  1. #1
    Join Date
    May 2008
    Location
    Southern WI
    Posts
    460
    That's wierd because mine did the exact opposite after my cam. I got a vacuum gauge and it went from 22-24 at stock to about 12-15 now (at idle). I hardly have brakes because of it. I'll try searching and see what I can find out.
    Mike
    2000 RCSB
    '05 LS2 11.5:1 C.R. l K&N l LT's l Torquer V2 l PAC Springs l Manley 7.4's l 92mm TB l LS7 Lifters l Circle-D 3200 l P&P TB l ARP Rod Bolts l LS1 E-fans l Nelson 93 Tune l Brand-X 100 Shot l Walbro 255 l Duals w/ X and Magnapacks l Vette Servo l Transgo S.K. l 30K Cooler l Detroit Tru-Trac l Motive 4.30's l ARP Cap Studs l TA Girdle

  2. #2
    Join Date
    May 2008
    Location
    Round Rock, TX
    Posts
    3,069
    The vacuum is what makes your pedal feel softer, it assist's in pushing the master cylinder in when you press the pedal. If there isn't enough vacuum to assist then the pedal feels hard and is alot harder to press due to the booster not helping out...it's like having manual brakes.

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