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Thread: Surging in C/L help

  1. #1
    Advanced Tuner
    Join Date
    Aug 2005
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    Surging in C/L help

    Guys for the life of me I cannot get rid of surging in C/L around 1500 rpm, in O/L there is absolutely no surging and the car drives beautiful.

    Any solution to get the 02's to work right? Maybe try the rear's in the front?

    TIA.
    GO RAIDERS!!!!!!!!!!

    02 C5 Z06
    8.8@160

  2. #2
    Advanced Tuner blownbluez06's Avatar
    Join Date
    Jan 2008
    Location
    Forney, TX
    Posts
    982
    I know you're aware that proper fuel and timing will eliminate surging and it seems like you got it all right since it's good in open loop. I'm wondering how much overlap you have in your cam and if that's skewing the narrow band readings by keeping them too cool or something. I'm also wondering if changing the 02 switch points will help any.
    Hsquared racing engines RHS 427, Procharger F2, Moran Billet Atomizer injectors, Alky Control,Mast LS7 heads, Nitrous outlet kit,Tilton quad disc clutch, DSS shaft, RKT56 ZR1 trans, RPM Quaife diff. Built and tuned by yours truly.