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Thread: 1/4 times for LS1 Sierra

  1. #1
    Join Date
    Sep 2003
    Location
    Jacksonville, FL
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    Got some new times, but at the cost of a now-slipping tranny. Guess that it's time for a 4L80E:

    60'-------2.306
    330'------6.057
    1/8-------9.091
    MPH------81.08
    1000'-----11.697
    1/4-------13.917
    MPH------100.99

    I think that some low 13's are in my future when the 4L80E, converter and gears get done. I'm sooooo stoked!!!!

  2. #2
    Join Date
    Apr 2003
    Location
    Mansfield, Texas, USA
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    2,462
    Very nice! Good thing it came together nicely. How fast you tryin to push the truck?
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  3. #3
    Join Date
    Mar 2003
    Location
    San Marcos Texas
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    4,393
    Originally posted by Scream@Jan 24 2004, 07:33 PM
    Got some new times, but at the cost of a now-slipping tranny. Guess that it's time for a 4L80E:

    60'-------2.306
    330'------6.057
    1/8-------9.091
    MPH------81.08
    1000'-----11.697
    1/4-------13.917
    MPH------100.99

    I think that some low 13's are in my future when the 4L80E, converter and gears get done. I'm sooooo stoked!!!!
    Nice times, a better MPH better than mine! I hope the 4L80E doesn't slow you down. It weighs more, doesn't have the low 1st gear the 60 has, and takes more HP to run it. It is a tough tranny though but you might want to consider a built 4L60E first. Just a thought!
    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
    Join Date
    May 2003
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    Sunny San Diego,Ca.
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    151
    Congrats on the new times!!!
    00'ECSB 4.8L, Auto 4L60E with Fully adjustable TRANSGO shift kit with Superior billet servos, B&M tranny cooler, 4:10's,eaton posi, K&N Gen. 2,Thorley Headers, ASP Crank pulley, LT1 Fans, 3" catback single flowmaster 40 series exhaust, NELSON PERFORMANCE PCM BADASS TUNING, egr trim. Jantzer performance Ported TB, 20x9 MKW's, 2/4 drop.sold

    2006 GTO A4,HPE S+ cam,Volant, Kooks LT's, Magnaflow 3in.Catless cat back,3200 Fuddle converter,UDP. 7.49@93.57
    Coming up= Fast intake and heads.

  5. #5
    Join Date
    Sep 2003
    Location
    Jacksonville, FL
    Posts
    53
    I'm shooting for 12's on the motor, and even lower 12's on the bottle.

    I just don't want to spend money hand over fist on the 60 just for it to keep breaking on me.

    Anyone else have an opinion????

  6. #6
    Join Date
    Mar 2003
    Location
    Florida
    Posts
    1,208
    T56. or stick with a built 60e. very promising times...thats nearly a full second off your last runs when i met you back in december.(14.7's) have you installed the tr224 yet? or was this run with the cam? any dyno numbers?
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  7. #7
    Join Date
    Dec 2003
    Posts
    246
    I HAD MY 4160 BUILT AT A SHOP IN FRESNO CA. SPEED-ENG.COM THEY CHARGED ME 1500 FOR A COMPLETE REBUILD, I PUT IT IN MYSELF. IVE HAD NO PROBLEMS WITH IT. MY BUDDIES HAS THE SAME TRANNY AS ME AND HE HAS A 408 STROKER WITH A 200 DIRECT PORT AND HE HASNT BLOWN IT UP YET
    old set up: 2002 chevy 5.3, procharger 12lbs boost, asm headers, ls1 edit, flames, 20inch budniks

    New Set up: 2004 chevy 5.3 ext cab, 12 inch twisted suspension lift, 36's, exhaust.
    future mods: 150-200 shot, ls1 edit, air intake, stall, 5.13 gears, 12s or bust

  8. #8
    Join Date
    Oct 2003
    Posts
    70
    Yea a 4l80e will slow your times down some, of course it will not constantly be breaking, but I believe it weighs 30-50 lbs more.... I looked into this and after considering everything, I think a built 4l60e would be better in the end. Plus you will have to find some way to get the computer to work with the 80. JMO...

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