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Old 02-03-2011, 09:43 AM   #31
AZ-Twin
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Quote:
Originally Posted by michel700c View Post
Some of the forum members here are quite articulate in their writing about the performance of various modifications. You might sell a bunch of PC Vs in a hurry if you gave one of them a unit to test and write an in-depth report on.
I'd like to hear about changes in acceleration, fuel efficiency and if that flat spot is still there after installing the Power Commander.
Ideally, we'd get some measured performance data from their current setup, and then the same after installing only the PC.
If you can't get one of the more active forum members, I'll volunteer with my 2008 X Country(currently stock plus a LeoVince slip on). Huey at Marietta Motorsports is the best dyno tuner around, and I could get him to dial it in and post the graphs in addition to my objective ride report
I am not sure if I am an articulate writer, but I have done my best to provide a review of the work DynoJet did on my machine. I have not yet received the graphs from DynoJet regarding the dyno runs they did on my bike, when I do I will post them. If I missed something in my review, please ask a specific question and I will be happy to answer the question the best I can, or go for a ride and perform a test. I do not plan to return my bike to a previous configuration for the purpose of testing though. It runs so good now, I am not going to mess that up. I do believe DynoJet has graphs before and after though, I just do not have them.

I have not noticed a flat spot.
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Rob Swartzwelder, Southern AZ
I'm not real fast, but I do have a dog named Dakar!
97 M900, 07 G650 XChallenge,11 KTM 990 ADV R
2011 North up the CDR
Sierra Vista AZ to Paonia CO and Back through Moab UT

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Old 02-03-2011, 10:58 AM   #32
AZ-Twin
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Quote:
Originally Posted by michel700c View Post

but you've got to agree that it would be valuable to have quantitative before and after comparison with only the PC installation as the variable.
I agree 100%, and I think they have dyno charts that show those results as they got the bike with stock exhaust. They actually installed the LV slipon. I have asked for the charts a couple times, but they are not sending them, I am sure they have a reason, perhaps they want to get everything ready and release it all at the same time.
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Rob Swartzwelder, Southern AZ
I'm not real fast, but I do have a dog named Dakar!
97 M900, 07 G650 XChallenge,11 KTM 990 ADV R
2011 North up the CDR
Sierra Vista AZ to Paonia CO and Back through Moab UT

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Old 02-03-2011, 12:19 PM   #33
Don't shoot me!!!
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Have they said anything about WHEN the pcv will be released for sale???

Don't shoot me!!! screwed with this post 02-03-2011 at 12:20 PM Reason: Typo
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Old 02-04-2011, 12:00 AM   #34
FinnDuro OP
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Originally Posted by Don't shoot me!!! View Post
Have they said anything about WHEN the pcv will be released for sale???
Last I heard from them about a week or so ago, Dynojet stated that the first production batch is now in the makings, and their best estimate was it takes at least a month or so before they're compeletely ready for resale.

So, in a few weeks, I hope.
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Old 02-13-2011, 12:02 AM   #35
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The PCV is finaly released for sale ladies :-)
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Old 02-13-2011, 07:05 AM   #36
leafman60
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I've been following this thread with interest. I have an '09 XCo. I have added a full Akrapovic exhaust and I run a lid-less airbox with Uni filter. With those modifications, I assumed I would need to alter the ECU map so I ordered a Boosterplug but the plug remains in it's shipping envelope. The bike seems to run perfectly without any modification. I have put about 12k miles on it so far. It pulls cleanly from all rpm levels and always seems to have amazing power from such a small package. Fuel mileage on the road is great too.

Did I read someplace that in '09 BMW changed the mapping?
I've used PC's before but I don't want to fix something if it is not broken !
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Old 02-13-2011, 08:53 AM   #37
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Quote:
Originally Posted by Don't shoot me!!! View Post
The PCV is finaly released for sale ladies :-)
That's great, but care to share some details - where, how, who? :)
It has had a part number (12-006) and price tag for ages, without it being actually produced, so we're all just waiting it for to be finally released.
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Old 02-13-2011, 09:50 AM   #38
Don't shoot me!!!
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Quote:
Originally Posted by FinnDuro View Post
That's great, but care to share some details - where, how, who? :)
It has had a part number (12-006) and price tag for ages, without it being actually produced, so we're all just waiting it for to be finally released.
The "buy" icon is ready at powercomander.com, and the innstalation sheet.
Kneescrapers expect it in on the 14th of february :-)
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Old 02-13-2011, 09:53 AM   #39
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By the way, kneescrapers have it for only 304$.....

Don't shoot me!!! screwed with this post 02-13-2011 at 11:04 AM
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Old 02-14-2011, 02:09 AM   #40
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Quote:
Originally Posted by Don't shoot me!!! View Post
The "buy" icon is ready at powercomander.com, and the innstalation sheet.
Kneescrapers expect it in on the 14th of february :-)
Cool, hope their expectation materializes today.
I rest my case when one of you guys get the actual resale product package in your hands - and not promised in the Interweb online store systems, expecting anything. :)
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Old 02-14-2011, 02:01 PM   #41
AZ-Twin
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I got some Dyno charts in the email today. 40% throttle and 80% throttle. I am not a numbers guys, and have never had a dyno run done on anything before, but here they are.

I went for another ride this weekend and am still really happy with the performance.

40% Throttle



80% Throttle.

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Rob Swartzwelder, Southern AZ
I'm not real fast, but I do have a dog named Dakar!
97 M900, 07 G650 XChallenge,11 KTM 990 ADV R
2011 North up the CDR
Sierra Vista AZ to Paonia CO and Back through Moab UT

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Old 02-14-2011, 07:28 PM   #42
Mal_B
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Originally Posted by michel700c View Post
I downsized from a R1200GS to a 2008 G650X Country. I can short shift it and ride the torque, or rev it out and ride the horsepower. But if I short shift the first couple of gears, then wind it out, there is what I call a flat spot, or a decrease in pull, between the 2 ranges. Probably right where you see the dip on the rising side of the torque curve on published dyno charts.
My experience exactly. Maybe it's just my bike but the bike doesn't handle on/off throttle conditions too well either. The fueling is really the only thing I don't like about this bike.

More Power Racing lists the PCV at $287.00, that's good enough for me.

mal
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Old 02-14-2011, 10:33 PM   #43
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Quote:
Originally Posted by Mal_B View Post
My experience exactly. Maybe it's just my bike but the bike doesn't handle on/off throttle conditions too well either. The fueling is really the only thing I don't like about this bike.

More Power Racing lists the PCV at $287.00, that's good enough for me.

mal
The Boosterplug fixed that problem on my bike and smoothed it right out.
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Old 02-14-2011, 10:44 PM   #44
Mal_B
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Originally Posted by Cruz View Post
The Boosterplug fixed that problem on my bike and smoothed it right out.
I'm sure it's bike specific - it seemed to get noticeably worse when I put the richer injector in; the overall performance improved however.

mal
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Old 02-15-2011, 12:42 AM   #45
FinnDuro OP
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Quote:
Originally Posted by AZ-Twin View Post
I got some Dyno charts in the email today. 40% throttle and 80% throttle. I am not a numbers guys, and have never had a dyno run done on anything before, but here they are.

I went for another ride this weekend and am still really happy with the performance.

40% Throttle



80% Throttle.

Rob, if I read this correctly, the red lines are stock without PC V in place, and the blue lines are PC V adjusted readings?

If so, then with PC, the air/fuel ratio has been richened a bit into something close to 13.2:1, where the stock (red) AFR hovers in the neighborhood of 14.7:1 on the 40% throttle, and on 80% throttle it leans more in to 15:1 and 16:1 (way lean).

So, stock AFR would tend to get leaner and leaner the more you apply throttle. This is how I read it off the top of my mind. Second opinions? :)


EDIT:
With AFR adjusted to about 13:1, the engine makes the best power, and runs a bit cooler as well, which is a plus.
It may negatively affect the mpg a bit though. But for long streches with throttle wide open, or at 80% (open desert WOT, long motorway stints at higher speeds) - the stock AFR seems lean, engine will run hotter, perhaps could cause some longevity issues in the long run.
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