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TTS: 2016 Road Glide- TPS or MAP?

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Old Sep 12, 2016 | 06:58 PM
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Default 2016 Road Glide- TPS or MAP?

I am setting up my initial VTune map. Tuning guide says "most (but not all) Lambda calibrations use MAP based VE tables. The map that I chose has a Lambda calibration, but the Tuning Constants shows TPS in the "VE Table Option" cell. Should this be changed to "MAP" before I start V-tune? The Lambda X-axis is MAP.
 
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Old Sep 13, 2016 | 10:32 AM
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If you want to use the MAP based VE tables. Yes, change that to MAP in the constants.
 
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Old Sep 13, 2016 | 12:02 PM
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Originally Posted by hrdtail78
If you want to use the MAP based VE tables. Yes, change that to MAP in the constants.
Thanks for the reply. When I tuned my 2003 Road King with the HD SERT, I believe that the AFR table was Throttle Position driven, and the VE tables were based on MAP. The map that I am using for my 2016 FLTRU (and other maps that I looked at) use MAP for Lambda, and TPS for VE (VE Table Option set to "TPS"). I did find an additional statement in the TTS tuning guide stating that using MAP VE make correlation to the fuel table easier. It might seem logical to have Fuel and VE both working off something "real", like MAP. I want to make sure that I don't waste my V-tune efforts by choosing the wrong thing.
I was thinking there would be some folks hanging out here who would know a lot more about this than me, so just looking for a recommendation.
Thanks again!
 
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Old Sep 13, 2016 | 12:44 PM
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You can use either MAP or TPS based calibrations.
I, as well as most tuners, prefer MAP based cals simply because tuning is "load" based rather than "TP" based, which usually provides a better running bike.
Bob
 
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Old Sep 13, 2016 | 01:08 PM
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Originally Posted by FLTRI17
You can use either MAP or TPS based calibrations.
I, as well as most tuners, prefer MAP based cals simply because tuning is "load" based rather than "TP" based, which usually provides a better running bike.
Bob
MAP seemed logical, but I wanted some input from someone who could state why. Thanks much!
 
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