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Thread: Chirp

  1. #1
    Join Date
    Nov 2005
    Location
    San Jose CA.
    Posts
    177
    After doing a Transgo and servos mod my 1-2 shift is very firm and the 3-4 is firm but not as strong .
    At less than WOT the 1-2 chirps my 32" tires. Would you say this is normal? Will it cause any harm to other drive train parts?
    Do shift kits "break in"?
    Thanks!
    626/762 2005 SIERRA 11.34@119.81
    My other ride is a '91 Electraglide custom.

  2. #2
    Join Date
    Jan 2005
    Location
    Conway, AR
    Posts
    1,353
    Mine chirps even on the 2-3 shift even without a shift kit. Its all in how the tranny is tuned. W/ a shift kit i would say it could be normal, which Transgo kit did you go wtih. You can have your line pressure turned down if it feels like it slams or turn up your force motor current if it grabs too hard.

    Chris
    2009 Silverado, HPTuners, all stock.

  3. #3
    Join Date
    Nov 2005
    Location
    San Jose CA.
    Posts
    177
    Not sure which transgo kit it is, had Synergy Motorsports do the mods. Servos also. The 3-4 is firm but not even close to chirping!
    Rick said he could easily adjust it, i just want to be sure i dont unecessarily stress something out. Should i have him increase the 3-4?
    The 1-2 seems fine at WOT, only chirps at less than.
    626/762 2005 SIERRA 11.34@119.81
    My other ride is a '91 Electraglide custom.

  4. #4
    Join Date
    Jan 2005
    Location
    Conway, AR
    Posts
    1,353
    You can increase the 3-4, but I have mine set not to shift 3-4 at WOT. That would be a very hard shift and definately not good for the trans. The servos will do the trick on making it firm, but I love the shifts soo much better after my vette servo install.

    I say its all a preference on how you like it, if its too much for you then decrease them a bit. If you like it let it be. The shift kits do help the trans last longer.

    Chris
    2009 Silverado, HPTuners, all stock.

  5. #5
    Join Date
    Aug 2004
    Location
    Magnolia, TX
    Posts
    3,259
    i've got a 1-2 chirp with just a tune!

  6. #6
    Join Date
    Mar 2004
    Location
    SOUTHwest Georgia
    Posts
    274
    How do y'all get it to chirp? Mine's never done it and I want it too soooooooooooooo bad!!!!
    http://i14.photobucket.com/albums/a3...tt/firesig.png
    1998 ECSB Z71
    285's and exhaust.

  7. #7
    Join Date
    Nov 2005
    Location
    San Jose CA.
    Posts
    177
    Mine didn't with a good tune, but does now with a transgo shift kit (stage 1) .
    Just got back from mt Tuner who turned down the line pressure a little. Still have a postitive 1-2 shift but it is a little easier at normal driving.
    626/762 2005 SIERRA 11.34@119.81
    My other ride is a '91 Electraglide custom.

  8. #8
    Join Date
    Sep 2003
    Posts
    355
    on a 60E tranny I do not think I would have it shifting from 3rd to 4th at WOT,at least that is what I understand not to do and I have never done it!

  9. #9
    Join Date
    Aug 2004
    Location
    Magnolia, TX
    Posts
    3,259
    <div class='quotetop'>QUOTE(JayBo &#064; Feb 10 2006, 12&#58;51 PM) [snapback]44111[/snapback]</div>
    How do y&#39;all get it to chirp? Mine&#39;s never done it and I want it too soooooooooooooo bad&#33;&#33;&#33;&#33;
    [/b]
    you&#39;ve got 285&#39;s, i had the stock 245/70/17&#39;s

  10. #10
    Join Date
    Nov 2005
    Location
    San Jose CA.
    Posts
    177
    Duh, i meant the 2-3&#33; Oh well. It still bumps hard in the 1-2 but doesnt chirp at partial throttle like it was. I just wanted to be sure i was not causing any damage to anything else.
    I might want it down a little more and firmer in the 2-3 a little.
    626/762 2005 SIERRA 11.34@119.81
    My other ride is a '91 Electraglide custom.

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