lean burn
GM did the same thing with a 2nd gen HEI module where a grounded pin (pulled low) would retard the spark 5 degrees for starting...another boost retard candidate. Or run that mode and have a 5 advance on demand with the pin pulled high (open)
GM did the same thing with a 2nd gen HEI module where a grounded pin (pulled low) would retard the spark 5 degrees for starting...another boost retard candidate. Or run that mode and have a 5 advance on demand with the pin pulled high (open)
