MSD Stacker8 8/6 cyl. DIS ignition

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Costas

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THEORY OF OPERATION;


THE STACKER ADVANTAGE

The MSD Stacker Ignitions utilize the best characteristics of both the conventional factory

inductive ignition and a multiple sparking, capacitive discharge (CD) ignition system. The

inductive side of the ignition provides the engine with a long duration spark while the Stackers

CD design provides a full power spark with high voltage and energy. The Patented design of the

Stacker Ignitions allow the system to run parallel with the stock ignition resulting in simplified

installation and compatibility with the rest of the vehicle’s electronics.

CAPACITIVE DISCHARGE: The MSD Stacker Ignitions feature a capacitive discharge

ignition design. The majority of factory ignition systems are inductive ignitions. In an inductive

ignition, the coil must store and step up the voltage to maximum strength in between each firing.

At higher rpm, since there is less time to charge the coil to full capacity, the voltage falls short of

reaching maximum energy resulting in a loss of power or top end miss.

The MSD Stacker Ignitions feature a step up transformer and capacitor which is quickly charged

to full power (120 millijoules) in less than one millisecond. This produces a full power spark

throughout the entire rpm range of the engine.

MULTIPLE SPARKS: Due to the quick charge time of the Stacker’s CD design, they are

capable of delivering a series of full power sparks to each spark plug. Under 3,000 rpm, the

Stackers deliver a series of sparks that lasts for 20° of crankshaft rotation for each firing of the

spark plug. The number of sparks that occur depends on rpm. Above 3,000 rpm there is simply

not enough time to fire the spark plug more than once, but there is always one full power spark.

The high output and multiple sparks of the Stacker Ignitions work together with the stock

inductive spark to ensure complete combustion of the fuel mixture. Improved combustion results

in quick starts, smooth idle, quick throttle response and increased performance.

$350
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