My friend fried cylincer 1(Coil and spark plug) after about 1 year of use. I purchased his kit from him which he originally said that this piece was the map sensor. I read it today and saw it was a MSD Ignition Controller. I researched and found that if you dont change out your coils, that this addition can fry them. Is this true? We are trying to find out what could have caused his coil to melt.

Thanks,