<B>MSD 8680 Adjustable Timing Controller Review</b><P>http://tinyurl.com/k9ly43s <P><P> MSD 8680 Adjustable Timing Controller <P>Dash mounted control knob<P>Ability to adjust the ignition timing<P>Improves gas mileage<P>Adjustments up to 15 degrees<P>For use w/MSD Ignition control<P>
