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Thread: Need some pionters on 6 Speed 6L80E Transmission

  1. #1
    Lifetime Member GAMEOVER's Avatar
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    Red face Need some pionters on 6 Speed 6L80E Transmission

    Can someone share some pointers on 6L80E transmission tuning...Like what to focus on & what to stay away from...
    Going to be working on a 2011 Silverado 6.2ltr 6 speed 6L80E truck with a Magnacharger in a couple of weeks...I've yet to touch a 6L80E, the 4L60E is fun to work with, 6L80E looks way more complicated than it's 4 speed brother...
    Last edited by GAMEOVER; February 10th, 2011 at 11:41 AM. Reason: oops
    2008 2WD Ext.Cab Silverado 1500 6.0 V-MAX E38(L76) & T42(4L70E) MAF Only CL Corvette Servo AFE CAI INNOVATIVE LM-2 WBO2

    FLASHSCAN V2 & AUTOCAL

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    What do you want to achieve? It is way more complicated. As Ross once commented...something like...it was designed by Aliens.

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    Lifetime Member GAMEOVER's Avatar
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    Quote Originally Posted by gmh308 View Post
    What do you want to achieve? It is way more complicated. As Ross once commented...something like...it was designed by Aliens.
    A good/firm shifting 6 speed at WOT...
    I kind of understand Shift Control, Normal Shift Speeds, WOT Shift Speeds & WOT Shift RPM. But, should all TM be completely turned off? What is Pattern A-B? Are all shift times exactly the same at .2998? Should Shift Pressure be adjusted or left alone?...
    2008 2WD Ext.Cab Silverado 1500 6.0 V-MAX E38(L76) & T42(4L70E) MAF Only CL Corvette Servo AFE CAI INNOVATIVE LM-2 WBO2

    FLASHSCAN V2 & AUTOCAL

  4. #4
    Lifetime Member GAMEOVER's Avatar
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    Anyone willing to offer some pointers or advice?
    2008 2WD Ext.Cab Silverado 1500 6.0 V-MAX E38(L76) & T42(4L70E) MAF Only CL Corvette Servo AFE CAI INNOVATIVE LM-2 WBO2

    FLASHSCAN V2 & AUTOCAL

  5. #5

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    PM Steve (Oztrack) I'm sure he can help you out
    330 rwkw EFILIVE OS 01290005 SD Cam / Head Tuned 6 speed VY SS Commodore
    10/71 Blown 572 Big Block Chev HQ 2 Door Monaro

    GM Performance Centre
    Busselton WA
    AUSTRALIA
    Phone: 0447 003050

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    Quote Originally Posted by GAMEOVER View Post
    Anyone willing to offer some pointers or advice?
    Am trying to figure a simple way to communicate a few things.

    But...keep TM on (IMHO - especially if rev matching is in operation), work at reducing the shift times to something you like the feel of, and log things like trans pressures and shift times, speeds to keep track of where you have come from and where you are going.

  7. #7
    Lifetime Member Tre-Cool's Avatar
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    heres is mine. this runs behing a cammed/supercharged VE commodore with a 3600 circle'd stall and 3.46 gears. The stall is locked in 3rd, 4th gears, no problems at all.

    this transmission has over 105K km's now and is still going strong.

    i hardly ever put my boot into it on the highway. i.e go from 6th to 3rd etc. i tend to drop back to 4th and use the stall. if im going to cain the shit out of it. i will drop back in manual mode first.
    Attached Files Attached Files

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    Quote Originally Posted by Tre-Cool View Post
    heres is mine. this runs behing a cammed/supercharged VE commodore with a 3600 circle'd stall and 3.46 gears. The stall is locked in 3rd, 4th gears, no problems at all.

    this transmission has over 105K km's now and is still going strong.

    i hardly ever put my boot into it on the highway. i.e go from 6th to 3rd etc. i tend to drop back to 4th and use the stall. if im going to cain the shit out of it. i will drop back in manual mode first.
    That's pretty impressive considering the (undeservedly) bad press the A6 gets. Shows that if its tuned right and treated right it handles plenty of high performance and strip work.

  9. #9
    Lifetime Member Tre-Cool's Avatar
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    indeed. this combo has ran 11.6@120mph on street tyres.

  10. #10
    Joe (Moderator) joecar's Avatar
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    +1 on what Ian said, impressive.

    Tre-Cool can you post your stock unedited file also, please.

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