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Engine Management Systems
Dan's comments are contradictory in a sense. Probably the second best thing that I have done with my DiabloSport Predator programmer is to reduce the speed at which the transmission shifts (short-shifting), with the absolute best thing being a 100 RPM reduction in idle speed. I just wish that I could change the commanded Air/Fuel Ratio from 14.7 (lowest emissions) to 15.5 (best efficiency) with the same tool, but sadly the EPA has a lot to say about that.
Wayne
...There is not that much that can be done to a stock engine manage system. You can buy Hot Rod systems but they still must follow EPA rules to be legal. .....
... Call it short-shifting, shift as soon as your motor will let pull the load.
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