F1 TCU update

rx7boss · Apr 20, 2024

360trev said: ↑

I wrote about this as early as 2009 after doing one of the world's first TCU upgrades waay in 2004 (nearly 2 decades ago now!)

https://www.ferrarichat.com/forum/posts/138575004/

These days on the older tcus which don't support software upgrade over k-line (kwp2000 protocol) it's probably safer (but not DIY easy!) to use the built in debug interface rather than desolder the flash chip which is what I originally did...

View attachment 3498521

Having said all of this it's still important to realize the 360 in particular is designed to work as a kind of client/server with engine ECUs and gearbox TCUs so normal driving mode won't match correctly the torque shift points with what the engine ecus expect so you get horrible clutch slip and it's more glitchy even in race mode. Far far better to upgrade as a pair both engine ECUs and gearbox TCUs.

So many people I speak too complain about this until they try it for the first time with both upgraded. Actually I've taken it a stage further and optimized CS TCU Comms to engine ecu calibration so all the delays are minimized even further and the result is much much better again. Really it's all software here we are talking about so ensuring the best possible calibration makes a HUGE difference to the end result.

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Hey @360trev how much do you charge for tcu and ecu flashing?

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F1 TCU update

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