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Thread: Z-Maxx?

  1. #1
    Sr. Mechanic dadngt's Avatar
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    Default Z-Maxx?

    I keep seeing ads for Z-Max & have been tempted to try it but not sure if the results are noticable or just hopeful Has anyone ever used it? Got the thought in the back of my mind that its just a vehicle placebo.
    2007 Silverado RS, 4.8 V8, 2WD
    Flowmaster Super 44 with turndown
    Black painted front grille & bumper
    Black / red Painted bowties
    Black 18in. Silverado wheels
    Black / Red interior conversion (in process)
    89 Chevy Sport tribute decals

  2. #2

    Default

    I don't know what that is, some type of additive?

    Steve
    10 Chevy Traverse LT AWD
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    99 Chevy Cavalier LS (105K+ miles - commuter car)
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  3. #3

    Default

    It is a fuel additive. I'm not sure if it is any good. I only use high octane quality gas to achieve the best results.


    2002 Chevrolet Silverado Extended Cab SportSide: See Mods in My Garage

  4. #4

    Default

    I personally rarely use any additive as the petroleum industry already adds several options. As well as alcohol. So I am cautious of any chemical reaction between all the various components
    2010 Chevy Silverado Z71 ext cab.4x4
    72 Monte Carlo 350-415 hp- sold (June 2011) to pay medical bills
    79 Impala 350 4bbl 375 hp- sold (June 2011)to pay medical bills
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  5. #5

    Default

    Quote Originally Posted by dadngt View Post
    I keep seeing ads for Z-Max & have been tempted to try it but not sure if the results are noticable or just hopeful Has anyone ever used it? Got the thought in the back of my mind that its just a vehicle placebo.
    Just find a gas station that sells race fuel
    2009 chevy 1500 z71 4x4
    2.5 ccm level,2.5 inch rear blocks 305/60/18 coopers stt,Debadged,10 series flow w/dual exit in front or right rear tire, KN CAI, diablo InTune, 18% tint all the way around ,spec-d euro headlights with black housings,winjet smoke LED tail lights,putco LED third brake light smoked, fab fours front bumper with 10k warn winch, RK sports ram air hood
    1965 c10 swb, zz4 350 with the hot cam and fast burn heads and a 780 Holley on top, richmond super street 5 speed,restorod

  6. #6

    Default

    i used z-max in my 92 dakota i could tell a big change in HP and response but im sure the dakota was a lot more dirty than your truck. i have not used it in my silverado though. z-max also make an oil additive. i used both.

    Chevy runs deep.
    2001 Silverado ext cab 4.8l v8 2wd
    COMPLETED MODS
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  7. #7
    Sr. Mechanic dadngt's Avatar
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    Default

    I thought there were more than just one product they made. I guess in a newer vehicle you would not really know the difference just that usual decrease from age would either not happen or be put off. I don't know maybe I'll get it on an impulse buy lol
    2007 Silverado RS, 4.8 V8, 2WD
    Flowmaster Super 44 with turndown
    Black painted front grille & bumper
    Black / red Painted bowties
    Black 18in. Silverado wheels
    Black / Red interior conversion (in process)
    89 Chevy Sport tribute decals

  8. #8

    Default

    I started having a sluggish feeling in my 06, and noticed that my throttle body was pretty dirty so I took everything apart and cleaned it, helped alittle, then ran a some zmax through the tank and alittle seafoam in the oil, Ive noticed a huge difference and response and highway speeds.
    4.8L Vortec | 6inch Lift | 35'' BFG ALL TERRAINS | K&N Intake | AirRaid Throttle Body Space | 3inch straight pipe dumped at rear axle | BlackBear Tuned | 2 13in JL Audio Subs | 1000watt HD amp, 2.9 cap | Kenwood Dble Din | Gibson Hi Flo Cats | HIDs Hi/Los 55watt 8000k |4.56 gears |

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