PDA

View Full Version : Merc 300X ECU Hop Up



Liberator25
06-29-2003, 07:50 AM
Does anyone know how to "hop up" the ECU controlled Merc 300X motors? Electronic controls are great but notoriously (by design) unadjustable. There are "chips" and programable EPROMS in some applications and I was wondering if anyone has "broken the code" on the PCM 555 yet?:confused: