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Which is also one of the reasons I believe that the 'Target' AFR's you aim for are often a far cry from what are always touted as the theoretical ideal? It was one of the things I learnt early on when looking at lambda readings on a dyno and comparing them with plug readings. It was obvious that despite what the technology was telling me what was happening within the combustion chamber was far from *Ideal*. For those that doubt? If you accept that charge transition is going to contribute to lower VE also consider what the 'Missing' charge is going to do to the lambda readings in the exhaust pipe......Pete
Larry, Yes, the AX-FieD was developed from Roger's data by Nightrider and works with the standard narrowband sensor.It's not as accurate as the Wideband but works well and is less complicated allowing a plugnplay fitting for us ordinarypeople.The Bosch ECU runs differently to most others from what Roger said.Beetle,Yes, that's the basis of what Roger found - the LM-1 is a wideband programmable with a simulated analog outputfor the ECU. He was quite exhaustive in his testing, tryingLots of things and providing data and charts so you could see what was happening.The PCV and Dobeck stuff worked but were clumsy comparedTo the standard maps ect which were pretty well worked out.So the answer was to change the AFR point that the sensorwas reading, changing what the ECU saw as normal and leave The rest alone.Maurie.
Beetle,Yes, that's the basis of what Roger found - the LM-1 is a wideband programmable with a simulated analog outputfor the ECU. He was quite exhaustive in his testing, tryingLots of things and providing data and charts so you could see what was happening.The PCV and Dobeck stuff worked but were clumsy comparedTo the standard maps ect which were pretty well worked out.So the answer was to change the AFR point that the sensorwas reading, changing what the ECU saw as normal and leave The rest alone.Maurie.
Thanks Pete...a couple of follow up questions based on that.What exactly is TPS? Throttle Position Sensor perhaps?If the fuel is chopped to eliminate the popping, does that mean I would notice more engine braking when my throttle is closed?Much appreciated!
For the map expertsMy Norge is a 2008 2V with 25k miles on it...had it since new..... I easily get about 44 mpg riding around here in Houston on day trips or even multi day trips out of state.
Ok...thanks again Pete...I'll check to see if the good folks at MPH can make this tweak.
differential doodle spring
This is what you guys sound like to me https://www.facebook.com/1626076704335831/videos/1653873904889444/
Maurice, it may come Thanks Maurie. I checked out the Nightrider site, but there are no technical details that I could find. IMO it's still boils down to an O2 fooler, albeit more sophisticated than the likes of the FatDuc et al. Well, at least the shiny website and self promotion blurb intimates as much. I still would advise caution, as the narrowband sensors have a quite slow response. Added with the crude 'more/less' trimming method, if one wasn't careful with the the settings, one could still over fuel. The Bosch and Delphi ECU's may well have a more sophisticated way of trimming, and it may work well with them.
I check my capacitive duractance regularly.
Hey Paul,I'm a rider not a tinkerer, and the stock performance of the bike was more then sufficient to meet my needs. Please let me know what MPH says. I've bought 2 bikes there!Thanks Jerry
Will do Jerry...just got it back with a few new farkles installed and the regular 6k maintenance, so will head back that way and see if Larry can adjust the TPS to the recommended setting and see what that does.
Oh! Ok...that clarifies it then, thanks again Pete. Some software and HW to purchase then if one desires to tweak the TPS. Are there multiple versions of this software, I've seen a couple people selling on the forum, do they all sell a different version or are they all distributing the same MAP adjusting software/HW kit?Thanks!