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The supercharged Thunderbird SC & Cougar XR7, Mustang V6, and later model regular V6 Tbird/Cougar owners can now increase the spark intensity of the 3.8 liter ignition by installing Performance Distributors' new Screamin' Demon Coil! This is the first high performance coil available for these engines.
The Screamin' Demon Coil is designed to produce a longer duration spark and allow plug gaps to be opened up to an astounding .060" - .065" on naturally aspirated applications. This will burn the fuel mixture more efficiently for increased performance and better fuel mileage. This will also help spark plugs stay cleaner longer. In addition, the intensity of the Screamin' Demon's spark does not drop off as the rpm's increase, which is common with stock ignition systems. NOTE: For supercharged applications we recommend keeping the gap at .052 - .055" as boosted engines can literally blow the spark out if the gap gets too wide. For those running a 10% pulley or even more we recommend going down in plug gap slightly to keep this from happening.
In a series of 0-60 mph tests on a V6 Mustang, we improved our E.T. an average of .33 seconds over the stock ignition coil! Similar results should be seen with the supercharged V6 and regular V6 applications.
The Screamin' Demon Coil is epoxy filled, leading to improved heat transfer and vibration resistance. The Screamin' Demon Coil is easy to install and mounts in the original equipment location.