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Old Apr 27th 2014, 12:49 PM   #51
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Do you have any dyno's of the PCV autotune kit...would like to see the power curve. I currently have Rexxer flash, its decent, but always looking at the next big thing.
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Old Apr 27th 2014, 05:14 PM   #52
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Originally Posted by SPJ View Post
I still have a Rapidbike racing unit that I don't use, half price plus shipping if anyone is interested.
How Much please?

Last edited by imbloodyskintagain; Apr 28th 2014 at 07:39 AM.
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Old May 1st 2014, 03:33 PM   #53
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Originally Posted by blinkme2028 View Post
Do you have any dyno's of the PCV autotune kit...would like to see the power curve. I currently have Rexxer flash, its decent, but always looking at the next big thing.
Here is the dyno results (please bare in mind it was done at about 1 600 meters above sea level). The 170 hp run was when I had the standard manifold with the CW's pipe installed and the 176 hp run is when I put my full Termis back (both systems had/have the pcv with autotune.

https://www.dropbox.com/s/rpzsktk04n...no29Apri14.jpg
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Results of rapidbike evo-dragon-lady-dyno29apri14-e.jpg  

Last edited by Claymore; May 1st 2014 at 03:42 PM. Reason: added drop box link and corrected a spelling error.
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Old Aug 13th 2014, 09:18 PM   #54
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Originally Posted by JeffD View Post
Very interesting, thanks for sharing. When I get the Rapid Bike Race module, once I've got the bike tuned by running on the track or on the backroads, I'll see if I can turn off the auto mapping until I make any mods or go to another altitude/climate. I can see how that could be potentially catastrophic if an O2 sensor goes bad and somehow reads rich and the system cuts too much fuel resulting in a dangerously lean condition. The converse would lead to fouled plugs which would just be a major annoyance. Worst case would be engine damage that could conceivably be proven to be the fault of the unit, voiding any subsequential warranty claims.

I'm sure the chances of that happening are relatively slim, but I don't want to be "that guy".
I just had the RapidBike Racing module installed at Cycle Pro. I haven't had much time on the bike yet, but so far it appears to be a good decision. As for the possible consequences of a bad O2 sensor, it's probably a non-issue if you narrow the adjustment range after the map is more or less set. Right now I have mine programmed for a min/max of -10/+10. So once I get some time on the bike and the numbers start to populate, I'll accept the changes and reset the numbers so it can continue tuning. But eventually those numbers should stop changing very much, right? If so, that's the time to narrow the range so that even if the O2 sensor(s) fail, there could only be a very small adjustment to the afr.
Thanks from Ljuice26
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Old Aug 14th 2014, 01:37 AM   #55
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Originally Posted by JeffD View Post
I also learned that you don't need the wideband O2 sensors (which would require an ECU reflash to bypass the OEM O2 sensors, another $500), that the Rapid Bike folks are quite proud that the OEM O2 sensors provide enough data, albeit a bit slower than wideband O2s, to effectively tune the system in real time.
What’s the Difference?

Wide Band
•Shows Actual Air/Fuel ratio.
•Precise display of ratio on the rich side of “stoichiometric”, which is where all performance engines run. Usually displays Air /Fuel ratio to the second decimal place.
•Useful for maximizing power from race and other performance engines.
•Fully temperature compensated.
•Higher cost.

Narrow Band
•Shows indication of rich vs lean.
•Usually has very “coarse” display of ratio on the rich side of “stoichiometric. Some units only have 2 LEDs for the entire rich range!
•Really only useful for making sure your engine is not running on the lean side.
•Usually not temperature compensated, so the same air/fuel condition in the motor will result in an indication on the meter that will vary depending on sensor temperature.
•Low cost.

Bottom Line:
If you are a builder or tuner of performance engines who needs to maximize performance of the engines you work with, then you need to be measuring Air/Fuel ratio with a wide band meter.
If you simply want an indication that you are rich or lean to make sure you are not going to burn the motor up, you can get by with a narrow band meter.

(borrowed from Competition Data Systems)

Only my two cents worth.
(I have a Dynojet PCV with Autotune and two wide band lamdas)


Last edited by Claymore; Aug 14th 2014 at 03:09 AM. Reason: corrected typo
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Old Aug 14th 2014, 02:14 AM   #56
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[QUOTE=Megalomaniac;172165]I just had the RapidBike Racing module installed at Cycle Pro. I haven't had much time on the bike yet, but so far it appears to be a good decision. As for the possible consequences of a bad O2 sensor, it's probably a non-issue if you narrow the adjustment range after the map is more or less set. Right now I have mine programmed for a min/max of -10/+10. So once I get some time on the bike and the numbers start to populate, I'll accept the changes and reset the numbers so it can continue tuning. But eventually those numbers should stop changing very much, right? If so, that's the time to

Will you be taking the R or HP4 to the track any time soon?
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Old Jun 5th 2016, 01:33 PM   #57
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Hey bro u still have the rapid bike racing mod??
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