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  1. #1
    Join Date
    Jan 2005
    Location
    Humble/Houston TX
    Posts
    2,586
    got annoyed with my 60' times so i did the swap hoping it will help a little.

    times with 3.73's was 13.09@105.5 with a discusting 1.96 60' in OK weather. my mph says 12.6ish but my 60' says screw you! that time was spinnin the 28" hoosiers because of my sissy burnout. if i dead hooked i think i woulda broke outa my 13.00 bracket that i was in. hopefully the gears will get me lower into the 1.8 range or if im extreemly lucky a 1.799 :crosses fingers:

    i usually cut 1.88's so the 1.96 was due to traction. well see

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

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Have you installed some Caltracs yet? Maybe you're getting some chattering in the axle that is causing your traction issue.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Jan 2005
    Location
    Humble/Houston TX
    Posts
    2,586
    <div class='quotetop'>QUOTE(RedHeartbeat &#064; May 28 2007, 10&#58;02 AM) [snapback]94942[/snapback]</div>
    Have you installed some Caltracs yet? Maybe you&#39;re getting some chattering in the axle that is causing your traction issue.
    [/b]
    yeah i thought about cal-tracs but they are way overpriced and i hear they make the ride worse. mine is already pretty rough. maybe ill put the spring clamps back on

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

  4. #4
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    I hear you&#39;re supposed to adjust the bars for street driving and re-adjust them again at the track to snub the traction bar against the spring.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  5. #5
    Join Date
    May 2004
    Posts
    2,120
    <div class='quotetop'>QUOTE(RedHeartbeat &#064; May 28 2007, 11&#58;27 AM) [snapback]94947[/snapback]</div>
    I hear you&#39;re supposed to adjust the bars for street driving and re-adjust them again at the track to snub the traction bar against the spring.
    [/b]
    I&#39;ll let you know how mine do when I install them this is why I purchased them (&#036;325.00) since there&#39;s nothing better besides a 4-link. I twisted the u-bolts out of the rear end with all of the wheel hop going on off the line. I spent this weekend with the daughter since it was here birthdayso maybe next weekend will be free for me.


    97 GMC, 2002 LS6.

    1991 GMC Syclone #1428

  6. #6
    Join Date
    Sep 2005
    Location
    Austin Tx.
    Posts
    13,138
    Who helped you with the install? Was it hard?
    1951 3100
    1984 C10

  7. #7
    Join Date
    Jan 2005
    Location
    Humble/Houston TX
    Posts
    2,586
    the install was pretty easy because we swapped a rear end from a truck sitting next to mine so we didnt have to jack with shims etc... basically i kept my carrier, we swapped over the rings and pinnions, we traded shims, traded sleves and put them back in. i would have no clue how to do the shimming etc. im paying for my detroit tru-trac to be installed because it will need to be re-shimmed and the bearing pressed on.

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

  8. #8
    Join Date
    Jan 2007
    Location
    Hurst
    Posts
    113
    Nice choice in gear selection&#33;

  9. #9
    Join Date
    Oct 2003
    Location
    TeXas
    Posts
    932
    your going to see about 2/10&#39;s with the 4.10&#39;s over the 3.73 stewbie, good luck on your quest.
    http://i17.photobucket.com/albums/b9...5831PM-2-1.jpg <--- TimeSlip
    RCSB 5.3 N/A 12.31 full boltons,H/C,4.10s,3800 converter. SOLD
    04 GTO
    Both Tuned By: ME

  10. #10
    Join Date
    Jan 2007
    Location
    Hurst
    Posts
    113
    <div class='quotetop'>QUOTE(vv8 &#064; May 28 2007, 12&#58;34 PM) [snapback]94959[/snapback]</div>
    your going to see about 2/10&#39;s with the 4.10&#39;s over the 3.73 stewbie, good luck on your quest.
    [/b]

    Thats how much of a improvement i got. I was running 10.8&#39;s in the 1/8 and with the gear change ran 10.5&#39;s

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