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02-04-2011, 02:40 AM
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#1 |
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Registered User
Join Date: Apr 2007
Location: Elk Grove, CA
Posts: 375
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Ok I may need some serious thinkers..
Can a guy put one of the newer 6L80E transmissions behind a Gen III, running cable throttle, on an 02 computer? Is it possible? The first thing I can think of is that the computer just would not be compatible, apples to oranges. But you can virtually tune these computers to do anything you want right? I know the computer would have to be pinned for the different trans but I am not afraid of that. I'm not sure I'm going to do it yet, but if I did find a deal on the 6L80, I would swap it for my 4L65 in a heartbeat. Any thoughts!?
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1964 C10 Shortened Shortbed Cammed LQ9 P&P 1967 C10 Trophy Truck BB 438 (soon to be worked on again) |
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02-04-2011, 11:30 AM
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#2 |
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Has more rust than truck...
Join Date: Apr 2005
Location: Ivanhoe, MN
Posts: 2,421
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Re: Ok I may need some serious thinkers..
I wanted 6 speed, but my budget said different.
 Some info here, good luck. http://67-72chevytrucks.com/vboard/s...d.php?t=422550 |
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02-04-2011, 11:46 AM
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#3 |
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1965 Chevy C10, 2005 4.8L/4l60
 
Join Date: Aug 2004
Location: DFW Texas
Posts: 8,546
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Re: Ok I may need some serious thinkers..
The way I understand it, which could be wrong but on the newer 6speed autos, the PCM doesnt control the trans the TAC module does and the TAC and PCM dance together.
A 2002 PCM wont have the TAC module, you would need to upgrade your DBC to DBW and get the PCM, TAC and BCM (I think) for the year/model of the trans and have them all tuned for each other. Might not be cost effective but would be cool.
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Clyde65 Rebuild of Clyde http://67-72chevytrucks.com/vboard/s...84#post8338184 69 Aristocrat Lo Liner build http://67-72chevytrucks.com/vboard/s...84#post7561684  support our troops! Last edited by Clyde65; 02-04-2011 at 11:46 AM. |
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02-04-2011, 11:36 PM
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#4 |
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Addicted to Rust
Join Date: Dec 2009
Location: Abbeville SC
Posts: 1,030
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Re: Ok I may need some serious thinkers..
The 6 speed has a separate computer, and the pcm for the late motors uses a 58 tooth reluctor input where the 2002 pcm is a 24 tooth. It may be possible to run the 24x motor with the late pcm, But I am not sure if it would still communicate with the trans computer. So I guess my answer is I am not sure of an easy way and there isn't going to be a cost efficient way. Jay
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Current trucks: (48 GMC100 320 inliner) Gone (48 Suburban in pieces) Sold 87 GMC CCSB 5.3 4l60E Daily Driver ECTA National record holder XO/PP We never really grow up, we just learn how to act in public. |
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02-06-2011, 07:26 PM
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#5 |
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Registered User
Join Date: Jul 2010
Location: Sutton, MA
Posts: 130
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Re: Ok I may need some serious thinkers..
Easiest would be to get the tci or compushift controller to run the 6l80 and let the pcm run the motor.
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02-07-2011, 02:03 AM
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#6 |
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Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: Ok I may need some serious thinkers..
....or try the M-90 from Mast or some of the other aftermarket ECM's...that have the capability to run a 6 speed.
Keep in mind TCI now sells their own 6 speed and controller.
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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