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ChadS
01-28-2005 17:13:33
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Re: MSD ignition in reply to A- Puller, 01-28-2005 16:37:35
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I would say that depends on the coil output from the mag. VS the coil used on a typical 12 volt ignition system. Aftermarket mags are pretty hot. MSD eleiminates the condensor, it takes the electricity away from the trigger mechanisim, and routes it through the MSD, The MSD then off the signal from the distributor, controls the impulse, or spark pattern going to the plugs. Instead of one big zap from the coil, the MSD gives 3-5 zaps in a row. I guess you can say it lites the plugs up longer. It is hotter than a points and condensor, because you can now run a full 12 volts to the coil, not burning up point contacts. the condensor is what limits the coil output to the plugs, just so it does not burn the point contacts. Thats why when you buy an electronic conversion kit,, you have a hotter spark cause you can utilize the full power from the coil. no points to burn up. MSD systems help in situations where you are trying to lite a large amount of fuel in the chamber, in where cases a big cubed engine can draw so much gas in the cyl, it will drown the plug cause one little zap wont lite the fire, It helps lite the flame front, because it has more spark pulses ignting the mixture. It can give back some ignition timing too when used in these conditions. it can precisely dial in your timing better, faster starts, and longer plug life. Ive yet to see a HP gain from the system, it is an aide to copliment your other modifications you do to your engine. JMHO, ChadS
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