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Thread: How Should A Kitted 4L60e Act?

  1. #1

    How Should A Kitted 4L60e Act?

    I need some education here guys. I have a built trans I cannot get to act correctly.

    4L60e converted to 4L65e with better GM sunshell, borg-warner clutches, transgo kit, vette servo.

    I have gentle firmness in town @ 1/4 or cracked throttle.
    The more pedal or load and RPM she gets the longer and softer the shifts are.

    I hear this is the opposite of the way it should behave.

    Tell me what it's supposed to do?
    therock
    Radix'd 05 L33 5.3 ECSB Z71 @ 387-HP 395-TQ
    Truck Pic, Dyno Info & Mods

  2. #2
    Join Date
    Nov 2007
    Location
    S.A. Texas
    Posts
    3,751
    It should be banging gears. Mine does.
    Name: Mark,
    God created turbo lag so nitrous trucks could have a chance.


    http://www.ls1truck.com/forums/my-ga...tml#post274877

  3. #3
    Join Date
    Mar 2003
    Location
    San Marcos Texas
    Posts
    4,393
    It sounds correct for 1/4 throttle but should hit much harder wide open. Do you have a stall?
    2006 Superior Blue Trailblazer SS AWD, Stock as a rock

    Sold: 2002 GMC Sportside Denali front end with a 2002 LS1, FLT level 5, Yank 2600, Trick Turbo, T76, Nelson intercooler, 60LB injectors, Warbro fuel pump, Eaton locker, Magnaflow, 3.42, Nelson Performance Tuning (speed density).

    Sold: 1981 GMC LB RC 1500 2002 4.8L 4L60E 12 bolt 3.73 Richmond Lock Right AC PS Nelson Performance tuning

  4. #4
    Quote Originally Posted by GMCwantsLS1 View Post
    It sounds correct for 1/4 throttle but should hit much harder wide open. Do you have a stall?
    No stall, just a confused builder.
    therock
    Radix'd 05 L33 5.3 ECSB Z71 @ 387-HP 395-TQ
    Truck Pic, Dyno Info & Mods

  5. #5
    Join Date
    Jan 2009
    Location
    Augusta, Ks
    Posts
    3,246
    Mine will break loose the tires going from 1st to 2nd. I just have a stage one shift improver from B&M. and mine line pressures are up a hair.
    2000 Silverado ECSB- 5.3 CAI, Pacesetter LTs, ORY- Pipe, Magnaflow XL, E-fan, Ported T/B , Nelson Tuned, Built 4l60e, Circle D Stall, 3.42s G80, 2-4 Drop, Hertz Highs, Rockford 501s

    2004 Buell XB12s

    Quote Originally Posted by LamboDoNoMo View Post
    "Never give up, NEVER BACK DOWN!!!"

  6. #6
    Join Date
    Jan 2005
    Location
    Humble/Houston TX
    Posts
    2,586
    slamming gears feels awesome but it breaks it should shift quick and firm. not break your neck on the shift haha.

    old mod list: H/C/I/N/E/G 408
    new mod list: 5.3, gears/posi, mufler and tune : (

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