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  1. #1

    Default transmission shift kits?

    I have been looking at things I could do to make my transmission shift better and also last longer. What exactly does a shift kit do? Fix the problems that never got fixed by the manufacturer? Also, what kind of shift kit should i get and would a dealer install it? I would like to make my transmission shift better and I have heard something about the corvette servo?

    Thanks, Will
    K1500 5.7L Chevy Suburban
    290000+ miles
    K&N CAI
    Black Bear Performance Tune
    TCI Servo and Shift Kit
    Long Tube Ceramic Pacesetter Headers
    Custom Side Swept Dual Exhaust
    Dual 2.5in electric DMH Performance Exhaust Cutouts
    BFG A/T 285s

  2. #2
    Master Mechanic Silverado Junkie's Avatar
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    Feb 2010
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    Lead Hill, Arkansas
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    541

    Default

    Every manufacturer has different shift kits that have different purposes and operate differently. It depends on the tranny you got and how you use it. Go to the website of a company called TransGo. They make the best shift kits in my opinion. And for your servo question, a corvette servo is supposed to make your tranny shift firmer and more positive and shift at different points than your stock servo. Jet Performance sells an aftermarket servo that does the same thing.
    1995 Silverado,Z71, 3-inch lift,2-inch leveling kit, SkyJacker Suspension, short ram-air intake, throttle body spacer, MSD ignition coil, straight pipes

  3. #3

    Default

    Quote Originally Posted by willbradfan View Post
    I have been looking at things I could do to make my transmission shift better and also last longer. What exactly does a shift kit do? Fix the problems that never got fixed by the manufacturer? Also, what kind of shift kit should i get and would a dealer install it? I would like to make my transmission shift better and I have heard something about the corvette servo?

    Thanks, Will
    The term "Shift Kit" is a trade mark of TransGo similar to the word Coke or Kleenex. It's used rather loosely and not all valve body kits are the same. I agree TransGo makes the best valve body kit. The kits are designed to address wear problems in the valve body which cause driveability problems and can set trouble codes. Usually a TransGo kit AND a Corvette Servo will make most street trucks shift too hard. My advice is to do the valve body kit first and drive the truck. You will love how it shifts. If after you do that and you still want a firmer shift the slap in a Corvette Servo. The servo can be added without dropping the pan.
    Jim

    2004 SILVERADO 2500HD LS
    Pro Comp Leveling Kit
    285-75-16 Cooper ST All Terrains
    Pro Comp Programmer
    Bilstein Shocks
    Linux Bed Liner
    Tinted Windows



    Other rides:

    1967 Landcruiser <350 Chevy>
    1970 Camaro
    1990 Geo Metro Convertible
    2007 FJ Cruiser

  4. #4
    Sr. Mechanic sc99z71's Avatar
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    Feb 2007
    Location
    Moncks Corner, SC
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    I absolutely LOVE the way the TransGo shift kit made my truck drive!!!! It is like a totally different ride!
    99 Silverado 1500 Z71
    5.3L 4L60E Tranny
    TransGo Shift Kit
    2.5" Rough Country
    Suspension Lift
    33" BF Good A/T
    Cherry Bomb Turbo
    Cobra CB w/
    Dual Fiberglass Antennas

    01 Kawasaki KLR650

  5. #5

    Default

    How do i figure out what transmission I have so i can determine which shift kit to get? Are they very hard to install? would a dealer install a shift kit?
    K1500 5.7L Chevy Suburban
    290000+ miles
    K&N CAI
    Black Bear Performance Tune
    TCI Servo and Shift Kit
    Long Tube Ceramic Pacesetter Headers
    Custom Side Swept Dual Exhaust
    Dual 2.5in electric DMH Performance Exhaust Cutouts
    BFG A/T 285s

  6. #6
    Sr. Mechanic sc99z71's Avatar
    Join Date
    Feb 2007
    Location
    Moncks Corner, SC
    Posts
    160

    Default

    If I'm not mistaken you should have the 4L60E. But find a good reputable tranny shop near you and just tell them what truck you have and they will know your transmission and will know exactly the shift kit you need. The shop I had mine put in did it for $250 total. And he said he never rebuilds a 4L60E without putting the TransGo shift kit in.
    99 Silverado 1500 Z71
    5.3L 4L60E Tranny
    TransGo Shift Kit
    2.5" Rough Country
    Suspension Lift
    33" BF Good A/T
    Cherry Bomb Turbo
    Cobra CB w/
    Dual Fiberglass Antennas

    01 Kawasaki KLR650

  7. #7

    Default

    I'm gonna dig this up from the grave. Locally I can get the Transgo kit for $65, vs the $155 its listed for from Monster Transmissions. I'll probably end up going and picking it up weds/thursday to hopefully solve my 1-2 shift issue. But before that I would like a little insight on how it shifts after wards.. Is it still kinda soft? I understand firm is better for the life of the transmission but I would still like it to be relatively gentle for the ladies
    Last edited by offroadaddict; 06-14-2010 at 12:03 AM.
    03 1500 Z71 5.3 - DD/Tow rig

  8. #8

    Default

    Keep in mind TransGo makes several 4L60E kits. The lower priced one is the "Jr" kit. The most expensive is the tow & go kit.
    Jim

    2004 SILVERADO 2500HD LS
    Pro Comp Leveling Kit
    285-75-16 Cooper ST All Terrains
    Pro Comp Programmer
    Bilstein Shocks
    Linux Bed Liner
    Tinted Windows



    Other rides:

    1967 Landcruiser <350 Chevy>
    1970 Camaro
    1990 Geo Metro Convertible
    2007 FJ Cruiser

  9. #9

    Default

    http://racetransmissions.com/store/p...roducts_id/421

    I don't see a Jr kit for the 4L60E on their site, there's one for the 4T60E 92-99. Although for that kit it does say Suburban with the 5.3..
    Last edited by offroadaddict; 06-14-2010 at 08:27 AM.
    03 1500 Z71 5.3 - DD/Tow rig

  10. #10
    The Cheap-*ss Modder & Thread Killer
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    2013 GMC Sierra 1500 SLT Z60 4WD Crew Cab
    Mineral Green Metallic w/ Tan Leather Interior
    5.3 L FLEX w/AFM, 6A, Cheap-*ss Mods
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