Originally Posted by Swedewheeler
After my "bafflectomy", cat removal and S&S stealth air filter installation the standard ECU did not allow big enough adjustment to allow the engine run well on both low ang high rpm´s.

I changed the ECU to the S&S VFI Module Kit 55-5090 from Delphi and had a local tuner fine-tune the standard mapping. The engine now is running better then ever. As far as I understand this ECU is still available?


The S&S ECU is made by Delphi and loaded with a M3W specific tuning map. If the blank ECU is still available then loading a M3W map with Protune should work.

From my old EU3 locked ECU:

[Linked Image]
[Linked Image]

Red Leader drive