kidturbo wrote: ↑Fri Jan 03, 2025 4:59 pm Torque limiting via CANbus might be a bit tricky however, unless Holley toss out an RX msg list bone.. Let ya know how it turns out.

meaning you need an ECU with Lua scripting for torque adjustment which is rusEFI

official tool for E38/E67 is J-38125-213 and it's about $90

Are there any cheaper alternatives for us amateurs?

PS: GM-38125-580 kit is a bit over $1000

series8217 wrote: ↑Tue Nov 05, 2024 4:06 am I'm working on decoding the T43 TCM <-> E39 ECM torque messages.

I am also looking to learn more about TCM<>ECM integration on the same E39 test mule actually. I am trying to actually replace E39 with my own ECU, what's your project?