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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
Also, sell your MSD dizzy and coil because you don't need them. The stock system works perfectly fine. The stock coil actually out performs most aftermarket coils.
x2 on this.
Unless you absolutely need it keep the ignition stock. I can't tell you the times my car or a friends car was stuck in a parking lot or on the staging lanes because of MSD's BS!