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Thread: Underdrive Pulley??

  1. #31
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    I remember the balloon fronts.

  2. #32
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    Crimson Tide
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    * Pulley Set, Harmonic Dampner, Nitride, Overdrive Alternator, Chevy/GMC, Pickup, 4.8L/5.3L/6.0L, 1999-2004, Kit
    250.99$

    Thats from summit.. my truck is an 06? They change something in 05? and is that the kit i need.. or we need?
    07 sierra 5.3
    Remington edition
    Afe CAI closed box
    SLP Cat-back (stainless)
    20in HD hoss black and chrome

    78 Chevy longwheelbase,350,holley 600cfm,6inch lift
    35'' swampers. 87 bed,fuel tank,doors.

  3. #33
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    Probably has something to do with the fan or that they don't wanna support the slow speed cooling on a 2500 with a clutch. There should be no diff in the crankshaft, etc. so it should work. Efans only make it better according to some.

  4. #34
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    Quote Originally Posted by LARRY01Z28 View Post
    For some reason i dont think you need one. lol

    haha well if ppl are getting a couple tenths out of them.. I might be able to get 11s... lol
    1951 3100
    1984 C10

  5. #35
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    Quote Originally Posted by duckysbht View Post
    haha well if ppl are getting a couple tenths out of them.. I might be able to get 11s... lol
    They're more aerodynamic David...get 'em...

    07 Z71 4x4, 6.0L, 3.73s, Turbonetics T76 @ 10 psi, 75 shot, Snow meth kit, PLX DM-100 wideband gauge, Nelson tune, Comp 212/216 .557/.561 114 lsa, 60# injectors, Yank 3000, 4L80E , Magnaflow - dumped, e-cutout
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  6. #36
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    just wait till I put the shark fins on....should be even more areodynamic...

  7. #37
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    Quote Originally Posted by duckysbht View Post
    haha well if ppl are getting a couple tenths out of them.. I might be able to get 11s... lol
    yeah, im sure your running 10's alread.

    so i really dont htink you need it.

    01CamaroZ28
    10.751 @ 124.26 mph with a 1.446 60ft
    ALL THRILLS NO FRILLS!!!!
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    06 silverado 6.0L VMAX LPP LT's, Volant CAI, Manaflow, NELSON TUNE.

  8. #38
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    Quote Originally Posted by LARRY01Z28 View Post
    yeah, im sure your running 10's alread.

    so i really dont htink you need it.
    haha 12s actually
    1951 3100
    1984 C10

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