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Thread: 6L80e does some odd stuff, surging/hunting at WOT?

  1. #1
    Senior Tuner
    Join Date
    Jun 2004
    Location
    Baltimore, Md
    Posts
    1,204

    6L80e does some odd stuff, surging/hunting at WOT?

    Thought it was doing odd stuff downshifting but managed to get it to the floor in 2nd without it spinning and rpm wavers for a long while before it seems to get itself figured out and pulls normally in that gear before shifting?

    I do notice that Fill Pressure Cmd is 8psi through most of the gear then up near top where its little normalized jumps to 24?
    Attached Files Attached Files
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere

  2. #2
    Advanced Tuner
    Join Date
    Jan 2004
    Location
    Perth - Western Australia
    Posts
    267
    done a simple check of the fluid level?

  3. #3
    Senior Tuner
    Join Date
    Jun 2004
    Location
    Baltimore, Md
    Posts
    1,204
    Quote Originally Posted by Tre-Cool View Post
    done a simple check of the fluid level?
    Yes, one of my guys said it was maybe a quart low but that was few weeks ago when it wasnt shifting at all WOT
    Factory Stock 97 SS M6 13.51 @ 104.3 mph
    Stock Longblock LS1 w/ 233/238 P.S.I. Cam
    10.81 @ 126.9 Full interior, six speed on 275 radials, a decade ago

    '99 TA trunk mounted 76mm 6 Liter
    9.0s in '09 @ 153 MPH

    Turbo 5.3 Volvo 740 Wagon
    32psi and still winding out 5th on the highway somewhere