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Thread: pt88 c5 only reads 13-15 psi in datalog.

  1. #1

    pt88 c5 only reads 13-15 psi in datalog.

    Ok I just did a boost leak test up to 20 psi with no leaks, AEM gauge reads 17-18 psi like the spring that's in the wastegate. The boost gauge is referenced off the intake manifold. not sure if its in the tune if someone could take a peek that would be great

    Car
    01 z06
    forged 402 10:1
    317 heads
    234-236 .612 lift BT titanium springs, morel link bar lifter hardened pushrods.
    twin in tank 225's 80# injectors 1:1 ref regulator
    3 inch dp dumped under the car
    air to air with meth injections

    Here is the log config and tune I have been working on Tune is on 2:1 ish e-85 93 pump

    USE THIS TUNE.hpt15 psi.hplarmagost E85.cfg

  2. #2
    Advanced Tuner oakley6575's Avatar
    Join Date
    Aug 2011
    Posts
    421
    What map are you using and is the linear/offset correctly in the tune. Have you checked that the map is reading correctly with your stock map?
    2003 Chevy Silverado Daily Driver, 408 Iron Block,
    LS3 Heads/Intake, 231/239 114, 4L80e, Yank SST 3200.