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Sequential or wasted spark

Steve Bull

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I'm a 1uzfe on a link G4 ecu.  At present its running Sequential injection coil on plug.  However, I need more outputs so  i was considering using wasted spark and using some out the injector outputs.  

Is there any draw backs going to wasted spark.  I need outputs for the fuel pumps, rev counter etc.

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Hi Steve,

the only real draw back will be the inability to individually trim the ignition timing per cylinder and if you use knock control you will have to use group control not individual knock control, which is fine.

So in a nut shell, go for it.



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