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Thread: My 80e swap has begun

  1. #11
    Join Date
    Nov 2007
    Location
    THE MEAN STREETS OF OKLAHOMA
    Posts
    11,120
    How did that happen, getting a 6l90e instead of a 4l80e
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
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    The difference between winning and losing, is having a 2nd stage.

  2. #12
    Join Date
    Jan 2008
    Posts
    8,031
    i looked up a trans online for 2008 silverado 2500 hd,,me not knowing that they did away with the 4l80e in 07'classic was the last year...when i was ordering parts for a 2008 2500 hd at the dealership the salesman kept telling me they didnt show a 2008+4l80e...thats when i found out...im gonne keep doing research on this...if not i know some willing to trade for a 80e.

  3. #13
    Join Date
    May 2008
    Location
    Crowder, OK
    Posts
    8,005
    Zach, if you can make it work, keep the 6 speed.

    1969 Chevy RCLB C10 350/TH400 SOLD
    2007 Chevy RCSB 4.8 4x4 LS SOLD
    2008 Chevy RCSB 5.3 4x4 LT SOLD
    2010 Chevy CCSB 6.2 4x4 LT SOLD
    2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
    2013 FORD CCSB F350 6.7 Powerstroke 4x4


  4. #14
    Join Date
    Nov 2009
    Location
    SAN ANTONE
    Posts
    781
    man do the 6l90e it will be great with the 4:56 gear ration
    06 rcsb, 6two, 231/235, 4.11, pacesetter, 80e, 14 bolt, Nelson tuned
    2011 rcsb 6two swap in the works with 6l90 and boost
    FARMTRUC CAN GARGLE PEANUT BUTTER

  5. #15
    Join Date
    Jan 2008
    Posts
    8,031
    yea im gonna do the 6L90e afterall.i already got it so i have no choice.i got lucky it came with a stock converter for now.i just gotta go to vara and exchange the 80e parts for 6l90 like flywheel etc...ill get it all bolted up ...then leave it with you guys...for the tuning and electrical part..i hate electrical..thanks

  6. #16
    Join Date
    Dec 2008
    Location
    san antonio TX
    Posts
    1,365
    i think you got lucky on that one the 6L90e is a awesome tranny. where you get the tranny?
    1982 c10 lsx swaped, NP tuned, true duals, 4:11s, trutrac, e-fans, CAI

  7. #17
    Join Date
    Jan 2008
    Posts
    8,031
    1st/4.027 2nd/2.364 3rd/1.532 4th/1.152 5th/0.852 6th/0.667 R/3.064

    with these gears ima spin all through 4th maybe 5th lol

    i got it from salvage yard in dallas

  8. #18
    A buddy of mine had a 6speed with a cammed 6.2 and that bish pulled like a mofo. And it was still on a very conserative tune! Oh he had 3.73's.
    03' Silverado RCSB H/C 5.3, 4L80,76mm KBracing Kit
    13' Sierra Denali 2500HD CCSB 4x4

  9. #19
    Join Date
    Jan 2008
    Posts
    8,031
    well i got a 09' Sierra Denali and its stock but it wraps 1st gear fast thats with 3.42s...i can only imagine WITH 4.56S LOL. we shall wait and see

  10. #20
    Join Date
    Dec 2009
    Location
    Corona, CA
    Posts
    204
    How much did that 6l90 run you? That trans will be better on gas and has better gear ratios throughout than the 4l80. Please do a right up on this with plenty of pics. I am considering doing one of these swaps but Iv'e never seen it done before. When do you get started?
    2007 GMT900 CCSB 5.3 VTS2300 Twin Screw Supercharger, Doug Thorley LT's, True 3" Duals into Dynomax Race Bullets, Nelson Tune, 4L80e w/transgo HD2-D, Truetrac, 4.10 r&p
    Need list: Stall, PLX 200 for my crappy AFR, X-pipe, GM 20's.

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