| "Apparently the car was actually dyno tuend at 15degrees timing." As it should - this should be checked before you even think about trying to tune a car. "Apparently for some reason the timing had changed after the dyno, but my new understanding is tha the car was in fact tuend at 15 degrees timing." I think you need a better explanation than "for some reason." If you dyno tune my car - pull it off the dyno and change something then WTF did you just tune for? So - take the car back and have him set the timing, tune and let ya drive home happy cause this isn't adding up.
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