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So GM saved consumers $1000-1700 on a gas guzzler tax by putting crap on the motor (L99) that has been shown to be less effective than advertised when not used in a controlled environment, that depending on source is potentially harmful to the longevity of the motor, and costs 4 times that to strip off when upgrading the cam (because why wouldn’t you upgrade if you were just pulling the AFM/DOD)?
Yeah, in GM logic makes perfect sense. i.e. none.
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