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OMC Ignition 90 350 King Cobra

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Old 10-23-2006, 11:24 AM
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Unhappy OMC Ignition 90 350 King Cobra

How reliable is the distributorless ignition system on a 1990 King Cobra 350 Chevy ?
Do the flywheel sensors go bad ?
Can I remove the rubber plug and install conventional ignition ? There must be a driveshaft to turn the oil pump.
I really try to stay away from anything except Merc inboards and Merc I/O's
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Old 10-23-2006, 12:46 PM
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Default Re: OMC Ignition 90 350 King Cobra

That ignition is very releiable, plus it has a knock system built into it. The plug your refering to is the oil pump drive shaft, if you take it out the bottom looks just like a distributer. You can just pull it and add a distributer, and coil system but I would stay with that stock system...
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Old 08-03-2013, 12:22 PM
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If this thread can be resurrected... I have this same model year setup (1990 OMC King Cobra 5.7) and I need some help tracking down replacement coils and sensors. I have been searching for a year...
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Old 08-04-2013, 09:20 AM
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iirc you can't buy much for that old ignition ..Since it is a chevy motor you can always convert to? ( lots of choices ) How about converting to Merc Thunderbolt. Cheap and EZ
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