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what would be a safe, higher than stock rpm shift point for a 99 coupe auto with a stock engine? this is one of the things i would like to use my hand held predator programmer for. (what is the stock shift point for a 99 auto anyway?)
has there ever been a case when these things were used to raise shift points and it didn't work? i'm just worried that the rev limiter might somehow be disabled when increasing rpm shift points. in that case, one could over-rev the engine and even damage it.