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  • Knock Gauge / ESC??

    I want to install a knock gauge to monitor knock at high boost levels without bringing a laptop in the car.

    The caspers knock gauge form a GN look slike a good candidate but it appears that to install it you need to tap into the ESC module (electronic spark control) and the gauge reads knock from the module.

    Does the 3800 II OBDII even have an ESC module? Would this gauge be compatible?

    Thanks guys
    SLP CAI, RK Sport headers, P&Ped heads and intake, GT2 cam, Upgraded valvetrain, Z28 rear axle with 4.10s Tx Spd tune, Z06 rims, 2.5\" exhaust to flowmaster, 160* thermo, B&M ripper, upgraded ignition, rockford fosgate 12\" with sony xplode amp and HU.

  • #2
    Re: Knock Gauge / ESC??

    Well, we have knock sensors. Find out how their output is sent to the PCM and tap that wire.
    <a href=\"http://www.fullthrottlev6.com\" target=\"_blank\">www.fullthrottlev6.com</a><br /><a href=\"http://www.chitownracing.com\" target=\"_blank\">www.chitownracing.com</a>

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    • #3
      Re: Knock Gauge / ESC??

      Yes , just look in the wiring PCM diagrams in the Tech database and it will tell which wires are for the Knock sensors , theres 2 wires, I taped into them to lower desensitize my knock sensors. Or buy a Aeroforce gauge scanner and its like a mini HPtuners except for the tunning it part, has alot of scanning , clear DTC's and can do case learn's also.
      Last edited by ssms5411; 06-30-2010, 09:00 AM.
      08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
      96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

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      • #4
        Re: Knock Gauge / ESC??

        I will just tap the signal line on the gauge to the knock sensor wires. You think I should tap into both or just one?
        SLP CAI, RK Sport headers, P&Ped heads and intake, GT2 cam, Upgraded valvetrain, Z28 rear axle with 4.10s Tx Spd tune, Z06 rims, 2.5\" exhaust to flowmaster, 160* thermo, B&M ripper, upgraded ignition, rockford fosgate 12\" with sony xplode amp and HU.

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        • #5
          Re: Knock Gauge / ESC??

          Both , because if your getting KR on the side your not monitoring then you might pop a piston on the side your not monitoring.
          08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
          96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

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          • #6
            Re: Knock Gauge / ESC??

            Ill keep everyone posted on progress. I think I am going to head down to ZZP this month and get a final dynotune on 20 psi.
            SLP CAI, RK Sport headers, P&Ped heads and intake, GT2 cam, Upgraded valvetrain, Z28 rear axle with 4.10s Tx Spd tune, Z06 rims, 2.5\" exhaust to flowmaster, 160* thermo, B&M ripper, upgraded ignition, rockford fosgate 12\" with sony xplode amp and HU.

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