Power Vision Information Thread
Road Master
Joined: Mar 2007
Posts: 1,177
Likes: 23
No, the the maps are totally different. In the case of most of the early bikes, the fuel maps are TPS based similar to the PC3 and PC5 but most of the later BT bikes are MAP or load based. All of the Sportsters are stuck with TPS based fuel maps right now.
Beast
Beast
Cruiser
Joined: Dec 2011
Posts: 159
Likes: 0
From: Central NJ
Just got my PV for my 2011 RK. According to Jaime at Fuel Moto, Dynojet eliminated one step where you have to store your stock ECU configuration before flashing your custom map. Now you just go to custom maa and load it.
Love simple!
Love simple!
Cruiser
Joined: Nov 2010
Posts: 124
Likes: 0
From: Morganton, NC
I am interested in find out what others have done. I know that I made mistakes in tuning after I got the PV and chose to start over with the HD Stage II map as the base and adding the best parts of the DJ map.
Road Master
Joined: Feb 2010
Posts: 1,237
Likes: 61
From: Albany, OR
So when we're done with VE tuning runs, what then? Do we put the HD O2's back in and turn on adaptive fuel? What about the AFR tables? I set mine to 13.0 for the tuning runs. I guess I'm still thinking in the PCV frame of mind. I think I understand that the VE tables are the real deal, but don't you still demand a certain AFR as a target too? From everything I've read it seems the AFR tables are only used to determine open/closed loop.
From the PCV way of thinking, we used the AFRs to richen or lean the tune. Is it the same here, just after getting the VEs sorted out so you know how much air you're really moving?
From the PCV way of thinking, we used the AFRs to richen or lean the tune. Is it the same here, just after getting the VEs sorted out so you know how much air you're really moving?
Road Master
Joined: Mar 2007
Posts: 1,177
Likes: 23
So when we're done with VE tuning runs, what then? Do we put the HD O2's back in and turn on adaptive fuel? What about the AFR tables? I set mine to 13.0 for the tuning runs. I guess I'm still thinking in the PCV frame of mind. I think I understand that the VE tables are the real deal, but don't you still demand a certain AFR as a target too? From everything I've read it seems the AFR tables are only used to determine open/closed loop.
From the PCV way of thinking, we used the AFRs to richen or lean the tune. Is it the same here, just after getting the VEs sorted out so you know how much air you're really moving?
From the PCV way of thinking, we used the AFRs to richen or lean the tune. Is it the same here, just after getting the VEs sorted out so you know how much air you're really moving?
In the case of the PowerVision that most people are using, you are using 14.6 AFR as your target. You can play with the O2 bias some and push the target to say 14.5 or so, but that is about the limits. You can only do autotuning on your new system. when the AFR targets in the AFR table are set to 14.6 AFR. Once you have the VEs set to hit this 14.6 target, then you can lean on the AFRs at say 70 KPA and above to some other target AFR that your bike is happy with. For example 14.0 at 70 KPA and 13.5 at 80 KPA and 13 at 90 - 100 KPA. The system will make it's best guess at how much fuel to add to hit this new target based on what it learned from the tuning process.
Beast
Last edited by whittlebeast; Dec 4, 2011 at 11:04 AM.
Tourer
Joined: Apr 2011
Posts: 472
Likes: 2
From: Hutchinson, Ks.
So is there a dyno guy anywhere that will tune with the pv? Talking to several dealers and shops and they havent heard of it yet, and act like they are scared to death to come close to it. Most likely because it is a new product.
Part of me says to get what they like and are comfortable with dyno tuning. Another part of me says this is a prominent tuner of the present and future and once its been around for a while ill have felt stupid cause I went with a tts or super tuner. Riding around with a lap top bungee corded to the bars or some stupid **** like that cause I want to look at whats going on and learn about it. Meanwhile every dealer in the world only wants to use the pv.
Is this an accurate assessment of what may happen with this tuner? If dyno guys just take the time to learn a new product? Or are forced to due to customer demand?
Part of me says to get what they like and are comfortable with dyno tuning. Another part of me says this is a prominent tuner of the present and future and once its been around for a while ill have felt stupid cause I went with a tts or super tuner. Riding around with a lap top bungee corded to the bars or some stupid **** like that cause I want to look at whats going on and learn about it. Meanwhile every dealer in the world only wants to use the pv.
Is this an accurate assessment of what may happen with this tuner? If dyno guys just take the time to learn a new product? Or are forced to due to customer demand?
Supporter
Joined: Nov 2009
Posts: 153
Likes: 0
From: Mountain View, CA
So is there a dyno guy anywhere that will tune with the pv? Talking to several dealers and shops and they havent heard of it yet, and act like they are scared to death to come close to it. Most likely because it is a new product.
Part of me says to get what they like and are comfortable with dyno tuning. Another part of me says this is a prominent tuner of the present and future and once its been around for a while ill have felt stupid cause I went with a tts or super tuner. Riding around with a lap top bungee corded to the bars or some stupid **** like that cause I want to look at whats going on and learn about it. Meanwhile every dealer in the world only wants to use the pv.
Is this an accurate assessment of what may happen with this tuner? If dyno guys just take the time to learn a new product? Or are forced to due to customer demand?
Part of me says to get what they like and are comfortable with dyno tuning. Another part of me says this is a prominent tuner of the present and future and once its been around for a while ill have felt stupid cause I went with a tts or super tuner. Riding around with a lap top bungee corded to the bars or some stupid **** like that cause I want to look at whats going on and learn about it. Meanwhile every dealer in the world only wants to use the pv.
Is this an accurate assessment of what may happen with this tuner? If dyno guys just take the time to learn a new product? Or are forced to due to customer demand?
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Road Warrior
Joined: Mar 2010
Posts: 1,900
Likes: 12
Nothing is different from one tuner to the other accept the amount of samples collected in a given time during recording. Some allow access to more parts of the ECM.
There are not any hidden tables in the ECM just because you use a SEPST (which is now a street legal device by the EPA), PV, TTS or the like.
Unless you put a different computer in your bike the tuning is straight forward. VE, AFR, Spark Timing, etc.
Some devices just give you access to more of these options than others. You still need an exhaust sniffer if you really want to tune your bike proper. So any shop with this option should be able to tune a bike given any device that allows access to a stock Harley ECM. I don't understand why shops freak when a device like the PV comes to them. It doesn't make sense to me. If you were to take a computer into a computer repair shop with any Microsoft Operating System that is modern they should be able to fix the computer. It shouldn't matter where you taskbar is located, or what your background image is.
If the shop has a competent tuner that understands the Harley ECM. It shouldn't make a flying flip what device is used to access the information.
There are not any hidden tables in the ECM just because you use a SEPST (which is now a street legal device by the EPA), PV, TTS or the like.
Unless you put a different computer in your bike the tuning is straight forward. VE, AFR, Spark Timing, etc.
Some devices just give you access to more of these options than others. You still need an exhaust sniffer if you really want to tune your bike proper. So any shop with this option should be able to tune a bike given any device that allows access to a stock Harley ECM. I don't understand why shops freak when a device like the PV comes to them. It doesn't make sense to me. If you were to take a computer into a computer repair shop with any Microsoft Operating System that is modern they should be able to fix the computer. It shouldn't matter where you taskbar is located, or what your background image is.
If the shop has a competent tuner that understands the Harley ECM. It shouldn't make a flying flip what device is used to access the information.
Road Master
Joined: Mar 2007
Posts: 1,177
Likes: 23
There are not any hidden tables in the ECM just because you use a SEPST (which is now a street legal device by the EPA), PV, TTS or the like.
Unless you put a different computer in your bike the tuning is straight forward. VE, AFR, Spark Timing, etc.
Some devices just give you access to more of these options than others.
Some tuning software exposes more of these than others.
Beast