2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

CDI Ignition on an N/A???

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Old Mar 5, 2007 | 11:44 PM
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From: VanCity
CDI Ignition on an N/A???

ive been trying to smooth out some bubbles in the performance of my 13b and i came across some information telling me that the famed '3800 hesitation'. apparently this is sometimes due to a combination of old injectors & poor / old ground connections on the vehicle. when fuel injector crossover occurs, the amount of current required to fire the fuel injectors doubles! the ECU actually fires a "pull down" signal; a "pull down" sgnal is a ground or negative voltage signal. the fuel injectors are connected to the positive +12VDC side at all times when the engine is running. Therefore, current is needed on the ECU side of the signal.

this got me thinkin about my ignition which lead me to the Crane Cams Hi-6 and MSD 6A ignition systems. otherwise known as Capacitive Discharge Ignition. i will assume most of you understand the concepts at work here. what im wondering is have any of you tried this on an n/a motor? if so...with what results? i have noticed poor idle lately and proper troubleshooting is sometimes a bitch when the only mechanic i trust is an hour away and worked to the bone!

just a question...
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