Thread: msd 4255 787 enhancer
07-03-2011, 09:46 AM #1
- Join Date
- Jul 2009
msd 4255 787 enhancer
got a few questions. anyone know base timing, timing map/ curve, ignition advance ect of this module? also anyone know the actual output of the tach signal wire? I know it hooks to the oem seadoo tach wire but im looking for the actual output of the wire. is it a standard negative 12v square wave like most tach's use?
asking because im going to be using microsquirt efi on my 787 and the ecu handles both fuel and spark. Unlike most im not using the oem mpem. im getting rid of the mpem and the dess system. And looking for the timing map ect to start with to get engine to run.
I have the fuel side setup with throttle bodies, injectors, fuel system, now working on ignition side.
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