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Thread: Bad gas?? First log fine 2nd Knock???

  1. #1
    Advanced Tuner Braciole's Avatar
    Join Date
    May 2008
    Location
    New Jersey
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    227

    Bad gas?? First log fine 2nd Knock???

    I always go to the same gas station, Sunoco and always run 93.
    I did a log and had no knock. did the same log added a bit of fuel 3500 to 4750 and got almost 3 degrees of knock up top above 4750???
    Bad gas?? They were the only changes I made. 07 LS2 corvette.
    See sig for mods
    Help would be greatly appreciated!
    Last edited by Braciole; 04-03-2009 at 11:10 AM.
    2007 C6 coupe LS3 416 6 speed mn Z51 3LT
    Vararam Snake charmer 160 Stat
    Kooks 1 7/8 headers with jet hot
    Fast 102 ported intake 102 TB RPM Level 5 T56
    MGW short throw ZIP 4.10 Severe Duty rear
    RPS TWIN DISC CARBON CLUTCH CCWs ele wp
    RPM LEVEL 5 TRANS W/HARDENED OUTSHAFT
    http://www.youtube.com/watch?v=PtOPy_lp2QY

    10.66 1.47 60ft 133+mph

  2. #2
    Tuner
    Join Date
    Apr 2008
    Location
    Buffalo,NY
    Posts
    64
    Mike,

    I could be wrong but I am thinking its just some bad gas. Try out a fuel additive with some sort of fuel stabilizer in it and log the car after a little drive.

    Hopefully that works for you. 123.7 mph in the 1/4 for a bolt ons car is a great mph.
    |466rwhp & 411rwtq|Cartek 3X cam|Vig stall|Bolt ons|Stock 2.56 gears|
    |Stock compression|Cartek dyno tuned| HPTuners pro|


    Cam only
    60ft 1.53 - [email protected]
    60ft 1.56 - [email protected]
    http://s261.photobucket.com/albums/i...onverted-1.flv

  3. #3
    Advanced Tuner Braciole's Avatar
    Join Date
    May 2008
    Location
    New Jersey
    Posts
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    Thanks Tony for the repy We woked it out on our own thanks anyway
    2007 C6 coupe LS3 416 6 speed mn Z51 3LT
    Vararam Snake charmer 160 Stat
    Kooks 1 7/8 headers with jet hot
    Fast 102 ported intake 102 TB RPM Level 5 T56
    MGW short throw ZIP 4.10 Severe Duty rear
    RPS TWIN DISC CARBON CLUTCH CCWs ele wp
    RPM LEVEL 5 TRANS W/HARDENED OUTSHAFT
    http://www.youtube.com/watch?v=PtOPy_lp2QY

    10.66 1.47 60ft 133+mph