I had to get a T87 separate from the trans for my swap (no ECM or TCM included). Do I need to have the TCM flashed with the TUN on the sticker on the side of the 8L90 or can I just do a fast learn?
I had to get a T87 separate from the trans for my swap (no ECM or TCM included). Do I need to have the TCM flashed with the TUN on the sticker on the side of the 8L90 or can I just do a fast learn?
You will need to flash it with the proper TUN info.
THAT!Originally Posted by jaketillmann86
And then a fast learn.
8L90s have enough shift issues when they are set up right....they can only be worse if not set up right.
Can HP tuners do that or is that a dealer only thing?
You just need a decent mechanic with an MDI and some knowledge. As long as the T87 has a compatible OS you can just run it but it will shift better if the solenoid info is flashed.
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