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-   GMT 900 Trucks General Discussion (https://www.performancetrucks.net/forums/gmt-900-trucks-general-discussion-188/)
-   -   6 speed conversion?(6l90e) (https://www.performancetrucks.net/forums/gmt-900-trucks-general-discussion-188/6-speed-conversion-6l90e-502409/)

mitchellmade 07-03-2012 12:22 AM

Would be nice to put my ly6 6l90 e I in my 2000

iamkeniff 07-03-2012 07:24 AM


Originally Posted by CalSpeedPerformance (Post 4949083)
We are using the 07 denali 2wd VIN software loaded into the factory 08 5.3 pcm. Controls the 6l90e just fine.

Truck runs and drives with no issues. No repinning was needed at all, only extended one connector for AC pressure switch to reach and the harness was plugnplay.

Using 07-08 parts in a 07-08 is fine, its when you start trying to flash an 09+ OS into an 07-08 ecm/bcm it'll fry it.
I used the same year denali vin in my truck worked great.

Its good to know that my theory for using a denali harness would work :hmmm:

RickLowpez 07-03-2012 12:05 PM

so far great going in today to get some tuniing done to adjust the tranny.imma ask calspeed if the took any pics of the swap to post

CalSpeedPerformance 07-04-2012 12:00 AM

Street tuning today, runs and drives great. Adjusted so it should make the shifts even when you change to the short 28" tires without messing with the tune.

I think the truck is good to go for some bottom 12 sec passes. I'll check if I've got any pictures to post up

BIGDADDY1969 07-04-2012 12:11 AM


Originally Posted by iamkeniff (Post 4949454)
Using 07-08 parts in a 07-08 is fine, its when you start trying to flash an 09+ OS into an 07-08 ecm/bcm it'll fry it.
I used the same year denali vin in my truck worked great.

Its good to know that my theory for using a denali harness would work :hmmm:

You have me scratchin my chin as well .. Over 138,000 miles on my 4l60e n im bout ready for it to crap out .. Gunna look for a 6l90e as soon as it does .. :nod:

Steve-O-08 07-04-2012 12:21 AM

In it for pictures.


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