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spark advance?94T/A5.7 03-16-2005, 07:33 PM I just got a cable on monday so today i was just driving around and glance over to my lap top to see what was going on with the spark, knock, etc. so my question is at a stop light my advance was at 20, at around a 1/4 throttle the spark advance was around 40, Is that normal because it seems pretty high up there? JAFO1994 03-16-2005, 09:11 PM With just knowing that, yes that's fine. My will go to 43. Just as long as it's not 40 in your upper TPS range Injuneer 03-17-2005, 12:16 AM There are two tables of spark advance as a function of RPM and MAP. I have part of one of the tables in my online scanner writeup. Those numbers seem consistant with the stock table: http://members.aol.com/InjuneerZZ/ScanMast.htm | ||