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Thread: '04 4.8L longbed

  1. 07-05-2009 09:21 PM #31
    CHEVROLADE
    CHEVROLADE is offline Senior Member
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    how does 4.10s make u lose hp allen?
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  2. 07-06-2009 12:49 PM #32
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    yournamehere018
    yournamehere018 is offline Evan
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    Quote Originally Posted by farmtruc View Post
    All stock, just a magnaflow muffler, made 230hp / 228tq

    We'll get it dyno'd next week and see what the new shorty headers and air box mod makes.

    Just an FYI,

    later,
    allen
    Is that what I should expect from a stock 2000 4.8 with exhaust and cold air intake?
    '00 Silverado 4.8L (Gone)
    '11 Silverado 4.8L

    Quote Originally Posted by RUFFNECK View Post
    ...First relieve the pressure before doin' that or else you will get a nasty squirt and may get in ur eye.
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