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Volvo Electronic Ignition vs Capacitive Discharge 200

posted by  Aye Roll on  Mon Jan 6 22:26 CST 2003
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last visit: Tue Oct 14 21:08 CST 2014
[RELATED]

A capacitive discharge system produces a burst of sparks of longer duration than the original (normal) type coils. Normally a coil produces a single spark as the magnetic field collapses, as the points open or the electronic equivalent, a transistor turns off (goes from very low resistance to very high resistance). A CD system still gets a trigger the same way (hall device or equivalent) but creates a series of multiple sparks with the benefit that it triggers more even burning of fuel. In theory.
With the Volvo system, you wouldn't replace the ignition computer really- you'd replace the coil and I suppose the power stage. It might take a bit of creative wiring but I'm sure that one of these could be fitted and made to work for any Volvo except a 960 (you'd need 6 of them!)

You'd still keep the computer with its advance curves and other programming.
--
Rob Bareiss, New London CT ::: 86 244DL, 87 244DL, 88 744GLE, 91 244: 808K total






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