that I do know. I got the timing calculator for the lb7-lmm trucks
Here is the Josh H Calculator I tweaked and threw together real fast that includes the LML. I cant guarantee its perfect as I made this almost 2 years ago and haven't touched it since. But its the only one I know of in existence.
TimingCalcV4.zip
Josh
'04 GMC LLY - L5P, Motech, 6-Spd Conv. ML Trans.
'05 GMC LLY - 250%, 12mm, 67mm Custom Turbo, 6-Spd Conv. ML Trans
'19 3500 RAM - Tuned Aisin 0_o
Send me email of timing calculator for 2009 GMC Sierra thanks
Thanks,,