Actually the A9P is the unit that has the better fuel/timing curve. This is only at 2300-2800 rpm that it falls exactly where the A9L is. This is only because of the A/C system, running at WOT on an automatic vehicle. Thats why the A9P has the slightly different fuel/timing curve.
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Ryan
1990 Mustang GT (In Process)
1993 LX Coupe (Daily Driver, but just choose not to)
2005 Excursion (Big Pig)