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The resistor makes sense when running a Power Commander and run on a dyno at various RPM's and loads. They can tune the AFR for best power throughout the range. The Triumph forums claim that better throttle response and surging are eliminated with the resistor installed. It would be very interesting to test this resistor to confirm exactly what changes and how it helps or hurts. Like when the throttle is whacked open and the engine is pulling hard. This should include gas mileage changes which are very telling. Also low speed and high speed plug checks . In a perfect world the ECU and O2 sensors should work perfectly. But the world is not flat and we will not fall off.

[QUOTE="TonyA, post: 372142, member: 7317"] The resistor makes sense when running a Power Commander and run on a dyno at various RPM's and loads. They can tune the AFR for best power throughout the range. The Triumph forums claim that better throttle response and surging are eliminated with the resistor installed. It would be very interesting to test this resistor to confirm exactly what changes and how it helps or hurts. Like when the throttle is whacked open and the engine is pulling hard. This should include gas mileage changes which are very telling. Also low speed and high speed plug checks . In a perfect world the ECU and O2 sensors should work perfectly. But the world is not flat and we will not fall off. [/QUOTE]

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