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Thread: Gear Question

  1. #1
    Join Date
    Feb 2005
    Posts
    462

    Gear Question

    Ok Guys got the overboosting problem solve and now it seems that the truck dosen't like the 4:10's, when Im going at 60mph and floor it the rpms go to 6k real fast and it dosen't feal or sound as if the turbo spools at all.

    What do you guys think I should do, I was thinking of going back with the 3:42's it worked when I had the 28" tall slicks but now I have 31'' tall, do you think this will work?
    2001 GMC Silverado



    Stock Bottom End LQ9, MS3, Stock 317's, Victor Jr, Aron's Elbow, 90mm TB, 1 7/8 TSP headers, FLT 4L80-E, Rossler Trans-Brake, 3600 PI TQ, 4.10's, 31" tire. Nitrous Dave System with Zex plate. On 150 shot 10.53 @ 128MPH 1.51 60'

    Old Setup = Trick Turbo Kit Tuned/Installed By Nelson Performance 10.78 @ 127.08 1.62 60'

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    You should have enough torque to run pretty much any gear. Since you already have the gears I'd give them a try.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Feb 2005
    Posts
    462
    could that be a problem with the shiffting? maybe it does that cause it dosen't shift?
    2001 GMC Silverado



    Stock Bottom End LQ9, MS3, Stock 317's, Victor Jr, Aron's Elbow, 90mm TB, 1 7/8 TSP headers, FLT 4L80-E, Rossler Trans-Brake, 3600 PI TQ, 4.10's, 31" tire. Nitrous Dave System with Zex plate. On 150 shot 10.53 @ 128MPH 1.51 60'

    Old Setup = Trick Turbo Kit Tuned/Installed By Nelson Performance 10.78 @ 127.08 1.62 60'

  4. #4
    Join Date
    Feb 2005
    Posts
    462
    From a 30 roll it pulls hard but it dosen't want to shift and I have to let go, so it should get fix with a retune do you think?
    2001 GMC Silverado



    Stock Bottom End LQ9, MS3, Stock 317's, Victor Jr, Aron's Elbow, 90mm TB, 1 7/8 TSP headers, FLT 4L80-E, Rossler Trans-Brake, 3600 PI TQ, 4.10's, 31" tire. Nitrous Dave System with Zex plate. On 150 shot 10.53 @ 128MPH 1.51 60'

    Old Setup = Trick Turbo Kit Tuned/Installed By Nelson Performance 10.78 @ 127.08 1.62 60'

  5. #5
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Not shifting is a tune issue.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  6. #6
    Join Date
    Jun 2004
    Location
    george west texas
    Posts
    3,694
    sounds like you just need to make a trip to see allen and get that thing fine tuned jj...
    '13 silverado LT...stock

    '11 lt 4x4 z71..tvs1900

    '01 gmc twins 6.0 jakes 400 ladder bars w/ coilovers tuned by nelson performance

  7. #7
    Join Date
    Feb 2005
    Posts
    462
    Thats what I'll do this friday and for the get together at SAR, hopefully is nothing major.
    2001 GMC Silverado



    Stock Bottom End LQ9, MS3, Stock 317's, Victor Jr, Aron's Elbow, 90mm TB, 1 7/8 TSP headers, FLT 4L80-E, Rossler Trans-Brake, 3600 PI TQ, 4.10's, 31" tire. Nitrous Dave System with Zex plate. On 150 shot 10.53 @ 128MPH 1.51 60'

    Old Setup = Trick Turbo Kit Tuned/Installed By Nelson Performance 10.78 @ 127.08 1.62 60'

  8. #8
    Join Date
    Sep 2005
    Location
    Austin Tx.
    Posts
    13,138
    Quote Originally Posted by JJ_NLTO View Post
    Thats what I'll do this friday and for the get together at SAR, hopefully is nothing major.
    Are you gonna be runnin at SAR this friday? Id be down to cruise that way if you and some others are gonna be there.
    1951 3100
    1984 C10

  9. #9
    Join Date
    Mar 2003
    Location
    San Marcos Texas
    Posts
    4,393
    I'll go to SAR friday!
    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

  10. #10
    Join Date
    Feb 2005
    Posts
    462
    2001 GMC Silverado



    Stock Bottom End LQ9, MS3, Stock 317's, Victor Jr, Aron's Elbow, 90mm TB, 1 7/8 TSP headers, FLT 4L80-E, Rossler Trans-Brake, 3600 PI TQ, 4.10's, 31" tire. Nitrous Dave System with Zex plate. On 150 shot 10.53 @ 128MPH 1.51 60'

    Old Setup = Trick Turbo Kit Tuned/Installed By Nelson Performance 10.78 @ 127.08 1.62 60'

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