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Power Commander with '07 96 cu in motor

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Old Aug 7, 2007 | 10:57 AM
  #1  
dlrshort's Avatar
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Default Power Commander with '07 96 cu in motor

Ihave heard and read that a P-C is a good idea even without mods as the '07's run too lean and hot and the P-C can help this. Is this true? If so, is it your experience that the dealer and set this up ok and get and use the correct map or do they just 'tweak' it? I was thinking of purchasing from Fuel Moto who will set the P-C up for you. Are there any instructions online on where to mount it and tie it in to the harnass?

 
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Old Aug 7, 2007 | 11:30 AM
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Default RE: Power Commander with '07 96 cu in motor

The SERT is a better tool. Your m/c is equipped w/ O2 sensors. Why anyone would want to eliminate this strategy(PCIII)is beyond me. Furthermore, you won't have to package any hardware as the SERT simply allows you to modify the calibration stored in the ECM.
 
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Old Aug 7, 2007 | 11:51 AM
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Default RE: Power Commander with '07 96 cu in motor

Sorry, never heard of the SERT. Could you explain?
 
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Old Aug 7, 2007 | 12:33 PM
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Default RE: Power Commander with '07 96 cu in motor

The O2 sensors your bike is equipped with are the narrow band type that always trim the fuel to a factory preset a/f ratio of 14.7. It appears that some people do not know the difference between narrow band sensors and wide band sensors. The power commander eliminates those giving you the abilty to tune the bike to any a/f ratio you desire. That is the reason to eliminate that strategy, which should be very clear to anyone with any tuning experience. The Sert reprograms your ECU, and is only calibrated for HD's screamin Eagle components.
 
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Old Aug 7, 2007 | 05:26 PM
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Default RE: Power Commander with '07 96 cu in motor

ORIGINAL: Aerosport

The O2 sensors your bike is equipped with are the narrow band type that always trim the fuel to a factory preset a/f ratio of 14.7. It appears that some people do not know the difference between narrow band sensors and wide band sensors. The power commander eliminates those giving you the abilty to tune the bike to any a/f ratio you desire. That is the reason to eliminate that strategy, which should be very clear to anyone with any tuning experience. The Sert reprograms your ECU, and is only calibrated for HD's screamin Eagle components.
I agree with this assessment, and any canned maps for SERT are optimized for HD components. The problem is that most people use third-party exhaust mods and thus will require a dyno tune. A good PCIII canned map from an outfit like Fuel Moto will provide a near-optimum configuration for your hardware, assuming a map exists. Fuel Moto does extensive dyno tuning and the chances of finding a map for your configuration is quite good. As you said, the narrow-band O2 sensors on the '07 bikes are little more than on-off switches for the EFI to effect stoich (14.7:1), and this can only be done for a very narrow range, primarily idle and cruise. Once out of these ranges you're knocked into open-loop mode, which is where the PCIII runs at all times.

Retaining the narrow-band O2 sensors on the '07 EFI is not a good case in itself for buying SERT, IMO.


 
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Old Aug 7, 2007 | 06:13 PM
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Default RE: Power Commander with '07 96 cu in motor

Just to back up what iclick said. If all you want to do is cool your bike down, then the PCIII with the O2 elininators will do just that. Try this link for the instructions you ask about http://www.powercommander.com/downloads/813/install/511/eng813-511.pdf
 
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Old Aug 8, 2007 | 12:47 PM
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Default RE: Power Commander with '07 96 cu in motor

ORIGINAL: Gundog

Just to back up what iclick said. If all you want to do is cool your bike down, then the PCIII with the O2 elininators will do just that. Try this link for the instructions you ask about http://www.powercommander.com/downloads/813/install/511/eng813-511.pdf
Thanks for the link. I have aquestion, can Harleyvoid your warantee for the addition of a PCIII,upgraded air filter and slipons if you or another mechanic installs?
 
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Old Aug 8, 2007 | 01:45 PM
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Default RE: Power Commander with '07 96 cu in motor

ORIGINAL: dlrshort

ORIGINAL: Gundog

Just to back up what iclick said. If all you want to do is cool your bike down, then the PCIII with the O2 elininators will do just that. Try this link for the instructions you ask about http://www.powercommander.com/downloads/813/install/511/eng813-511.pdf
Thanks for the link. I have aquestion, can Harleyvoid your warantee for the addition of a PCIII,upgraded air filter and slipons if you or another mechanic installs?
I don't think they can legally deny your warranty unless the installed part can be shown to have contributed to the failure.
 
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Old Aug 8, 2007 | 04:22 PM
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Default RE: PCIII with '07 96 cu in motor

I did the PCIII and very pleased. I have stock pipes on my 07 Heritage and mounted the PCIII literally on top of stock ECM under seat. I had mine Dyno tuned as well so if you would like the MAP-pm me for it. Only downside is yuor mileage will drop since it's now getting fuel! It cured my heat-Ping-Surge problems right away. I also switched over to Synthetic oil.
 
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Old Aug 11, 2007 | 12:49 AM
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Default RE: PCIII with '07 96 cu in motor

I just installed a PC III on my Dyna today. I also did a K & N air filter and some Cycle Shack slip ons. I bought the PC from Fuel Moto and have nothing but good things to say about them. It came to me with a stock set up, so I called Jamie. He immediately sent a map to my email. The PC was already hooked to the computer, so as I was talking to him I downloaded the map into the PC from my email and it was done.
Putting it on a Dyna is alittle tricky, not much room to manuever, but got it done in about 45 minutes. Took my time. The Power Commander website has instructions you can view or download. Same ones that come with it, but better quality pictures. I also went on Vance and Hines website. They have a instructional video of how to install their FuelPak. Its alittle different than the PC, but it helped me alot by getting me familiar with all the components that need to be dealt with. Go to their website, click on your year and model bike for any of the exhaust pipes and there is an area you can click to see the FuelPak video. I watched that video about ten times and read the directions for the PC about ten times and it went pretty smooth.
So far very happy with it. My bike definetly runs cooler. I could put my hand directly behind the rear cylinder and feel a slight warmth, whereas before you could feel the heat coming up on your leg. Mine might be running a bit rich though, gas mileage definetly affected, but it runs strong. I'll pull the plugs soon and check them. For me the PC was definetly worth it.
 
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