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Thrasher's 93 turbo fox fr500's diy 331 t70 wolfe roll bar update 3/11

Discussion in 'The Turbo "Builds" Board' started by clean93fox, Jan 22, 2009.

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  1. clean93fox

    Joined:
    Jun 23, 2008
    been having an issue at light throttle, cruising speed it has a slight misfire. it only has 10 degrees initial timing thinking that maybe that might be the issue? also wondering if any of you have had problems with the t rex pusher pump. the air fuel seems to jump up to around 12.5 12.6 and dont know why its doing this now.only thing i changed was the cold side piping from air meter to throttle body. i disconnected the relay for the pusher pump and the 255 intank fires up and i can hear the pusher kicking on after i plug the relay back in. any way one of the pumps might be going? i just changed the fuel filter today and its still doing it.thanks in advance
     
    clean93fox, Apr 14, 2011
    #61

  2. slowboat

    Joined:
    Sep 9, 2006
    Probably related to the piping change from maf to throttle body. If you kept the old set-up I'd try it the way it was before changing anything else so you eliminate that variable 1st.
     
    slowboat, Apr 14, 2011
    #62
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