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May 19th, 2009, 3:15 pm
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#1 (permalink)
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Senior Member
Join Date: Sep 2007
Location: Mesa, AZ, USA
Posts: 269
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PowerCommander on HyperMotard
Hi,
Can anyone with real experience tell me rather or not a "PowerCommander III" will function properly on a HyperMotard with the stock ECU.
I've been given the answers by multiple people... - "Yes, it will work fine with the stock ECU."
- "No, you have to have the DucatiPerformance ECU to use the PowerCommander".
Thanks!
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May 19th, 2009, 3:43 pm
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#2 (permalink)
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Senior Member
Join Date: May 2009
Posts: 125
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If you want a definitive answer, call Powercommander. That said, I certainly see nothing on their site to indicate it won't work, and they even list the stock ECU as part of their delivered map settings.
http://www.powercommander.com/powerc...dl=183&yr=2008
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May 19th, 2009, 4:14 pm
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#3 (permalink)
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Senior Member
Join Date: Jul 2007
Location: The "Tool" Box, CA, USA
Posts: 1,645
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PC-III will work with stock ECU
I'm running a PC-III with a stock ECU on my bike. I bought my bike used from a Parts Unlimited rep. Leo Vince installed the cat eliminator and the LV cans and the PC-III. It is MUCH stronger than my previous set up which was the LV Cat elim and cans with the DP 2-1 ECU.
If you look on Power Commander website under the downloadable maps section, you will see one for LV exhaust, open airbox, stock ECU. Pretty sure they used my bike for that map, but I should ask Manny at LV to be sure  . My Hyper hangs with all other Hypers except Alex's big bore beast. But I'm hoping that the lightened flywheel and cams will be the great equalizer
PC map titled " M732-003 LeoVince slip-on exhaust (sound inserts removed), LeoVince catalytic converter elimination pipe, Stock air filter , DP airbox lid, Table 1 is front cylinder" runs about the same with inserts in, just depends on how much you like your neighbors!!
So yes, a PC-III will work with a stock ECU!
Cheers
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May 19th, 2009, 6:05 pm
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#4 (permalink)
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Senior Member
Join Date: Jul 2007
Posts: 1,259
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I was told by the people at Dynojet/Power Commander that the PCIII does not, and can not, change settings below 20% throttle openings.
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May 19th, 2009, 7:03 pm
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#5 (permalink)
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Senior Member
Join Date: Sep 2007
Location: West Covina, CA, USA
Posts: 3,751
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Quote:
Originally Posted by MarksFriggin
I was told by the people at Dynojet/Power Commander that the PCIII does not, and can not, change settings below 20% throttle openings.
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That's right, I heard the same thing, because of the stock ECU being closed loop, only with the open loop DP ECU can the PCIII map the entire RPM range. Aloha Alex
__________________
it is what it is, and always will be.......
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May 19th, 2009, 7:29 pm
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#6 (permalink)
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Senior Member
Join Date: Sep 2008
Location: Sonoma Cownty, CA, USA
Posts: 346
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Quote:
Originally Posted by MarksFriggin
I was told by the people at Dynojet/Power Commander that the PCIII does not, and can not, change settings below 20% throttle openings.
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Which is why the PC III fuel maps for the stock ECU all have zeroes in them
for below 20% throttle (the "closed-loop" mode region). In the closed-loop
region, air:fuel mixture is monitored by the O2 sensor in the exhaust, which
feeds back a signal to the ECU to allow for continuous adjustment to some
target AFR (typically 14.7:1 for narrow-band O2 sensor equipped fuel injection).
This can be altered somewhat by an O2 manipulator. The transition to open-
loop mode is totally seamless and you will not feel anything happening on the
bike. Having a customizable fuel map via the PC III for the open-loop mode
allows you to optimize fueling (and therefore performance) with any mods you
add to the bike, and therefore maximize HP gains where you need it-- half- to
full-throttle. Meanwhile, the ECU self-adjusts to a fuel-efficient target AFR
for part throttle and low RPM operation. This set-up has worked flawlessly
for me, but there are a number of guys who swear by their DP ECU's; their
only drawback seems to be poor fuel mileage.
I've used Hyprduc's M732-003 map on my Hyper w/stock ECU/Zard exhaust/
DP airbox lid and it worked great. This map is one of four HM maps available for
down-load from Power Commander. Some vendors, like More Power Racing online,
will pre-load your PC III with a requested map before they ship it to you if
you desire it. You can download new maps anytime via the USB port on a
computer, or have custom dyno-tuning done at a shop, or modify fuel
richness on-the-fly using the three buttons on the PC III (resolution is
limited to low/med/high RPM ranges for these buttons, so they are a rather
broad-ranged modifier).
__________________
'08 Hyper "S" w/ a few tweaks 
'05 Yammie WR-Supermoto conversion
Last edited by dave2riff; May 19th, 2009 at 8:05 pm.
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May 19th, 2009, 8:58 pm
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#7 (permalink)
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Senior Member
Join Date: Sep 2007
Location: Mesa, AZ, USA
Posts: 269
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Thanks!
I did call PowerCommander and the nice young lady said I'd have to ask the motorcycles manufacture or distributor. My local dealer immediately said you I had to have the DP chip and it had to be dealership installed.
I think I'll give it a try. Thanks for the information!
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May 19th, 2009, 11:16 pm
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#8 (permalink)
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Senior Member
Join Date: Jan 2009
Location: Pittsburgh, Pa, USA
Posts: 245
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This was one thing that I could never understand. Why someone would pay $500 plus for the DP chip, then almost the same for a PC III just to run a pipe. Some of them even go as far as adding the Fatduc. So they have somewhere around $3,000 for a few extra HP. Now don't get me wrong, I am all about getting the most power from a motorized vehicle but this is crazy.
I think I would rather go the slip on, PC III route before throwing crazy amounts of cash at something just to kill my MPG because I am running super rich.
What is the real reason that people feel the need to run the PC III and the DP chip together? Are they getting bad info from the dealership or just the web? On just about every other bike out there all you need is a PC III a few runs on the dyno. This will get you optimum power and you are good to go. Why is it not this easy for us?
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May 19th, 2009, 11:33 pm
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#9 (permalink)
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Senior Member
Join Date: Sep 2007
Location: West Covina, CA, USA
Posts: 3,751
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Quote:
Originally Posted by 08hyper
That's right, I heard the same thing, because of the stock ECU being closed loop, only with the open loop DP ECU can the PCIII map the entire RPM range. Aloha Alex
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Quote:
Originally Posted by bullet3z
This was one thing that I could never understand. Why someone would pay $500 plus for the DP chip, then almost the same for a PC III just to run a pipe. Some of them even go as far as adding the Fatduc. So they have somewhere around $3,000 for a few extra HP. Now don't get me wrong, I am all about getting the most power from a motorized vehicle but this is crazy.
I think I would rather go the slip on, PC III route before throwing crazy amounts of cash at something just to kill my MPG because I am running super rich.
What is the real reason that people feel the need to run the PC III and the DP chip together? Are they getting bad info from the dealership or just the web? On just about every other bike out there all you need is a PC III a few runs on the dyno. This will get you optimum power and you are good to go. Why is it not this easy for us?
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What I learned from some of our Forum members is that the stock ECU starts off as a closed loop ECU and then will change into a open ECU in the higher RPM ranges, The PCIII cannot map the stock ECU when it is in the closed loop mode, but will be able to map the stock after about the 25% mark, and for most people that will be just fine. The DP ECU is a open loop ECU so the entire RPM range can be mapped. Hope this helped, Aloha Alex
__________________
it is what it is, and always will be.......
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May 19th, 2009, 11:38 pm
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#10 (permalink)
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Senior Member
Join Date: Sep 2008
Location: Sonoma Cownty, CA, USA
Posts: 346
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Quote:
Originally Posted by bullet3z
This was one thing that I could never understand.
What is the real reason that people feel the need to run the PC III and the DP chip together? Are they getting bad info from the dealership or just the web? On just about every other bike out there all you need is a PC III a few runs on the dyno. This will get you optimum power and you are good to go. Why is it not this easy for us?
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Some guys run the PC III even with the DP ECUs because, while the DP ECU
gets rid of the flapper valve, kills closed-loop mode altogether, and comes
with the Termi pipes as a set, it is still contains just a generic mapping and may not be
all that close to optimum for a particular bike. If you look at the Dyno Jet map
for the DP Race ECU, there are some very large negative corrections in the
mapping, particularly in the under 40% throttle region where the DP ECU
was >20% too rich over a wide range of rpm's for that particular bike. (This
is the M732-002 map for the HM on the Dyno Jet website.)
__________________
'08 Hyper "S" w/ a few tweaks 
'05 Yammie WR-Supermoto conversion
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