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MSD with Boost-Retard in series w stock.
This is being done by a couple here. With this timing can be advanced from -25 to about -36 using the factory timing method. Thus, gaining fuel economy at cruse. It also advances timing off idle from +1 to about -9 for improvement off idle. The boost-retard available from MSD then is used to pull timing back the 11 deg that static timing was advanced. The added benefit being the higher output at low rpms where we can use it. Further, it was pointed out to me that another advantage to this set up it is easier to back things out of one has issue meeting smog cert’s if needed by disabling the MSD retard and retiming the car. (Thank you Chris Toy “930-356” for suffering through my questions and helping be better understand a 930’s ignition.)
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