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Thread: Built TVS Car - WOT car falls on its face at upper RPMS

  1. #1
    Advanced Tuner Japeatr's Avatar
    Join Date
    May 2010
    Location
    Dallas Texas
    Posts
    321

    Built TVS Car - WOT car falls on its face at upper RPMS

    ok, ID1K injectors installed and driveability is great. Im still having an issue at WOT with the car falling on its face.

    with the 80s the car did this when it went over 110% IDC. Now this is happening at 75%IDC with the 1000s.

    Car has built motor/ported head/cams, 2.7"TVS with ATI overdrive, E85, RSFS, ID1K, DW300

    see screenshots from log.

    it doesnt look like spark blowout, as there are no misfires, and no knock

    wonder if my fuel pump cannot keep up, happens around 22psi boost. Wideband wasnt loggin today so never mind AFR




    384whp/303wtq
    Built 2.0LSJ: TVS w/2.6, 1000cc, Stage 2 cams, custom fuel system, E85, Dual Pass, 3"intake, 3" Catless exhaust, CIA midlength Header

  2. #2
    Advanced Tuner laser_racer's Avatar
    Join Date
    Jul 2009
    Location
    league city tx
    Posts
    461
    Here is settings I used on a turbo ion with 1000s you can give these a try if you would like. What are your spark plugs gapped at? Also what kind of afr are you seeing? Did you add the second o ring to the injectors to get them to seal?