Power Vision Information Thread

Jamie Long / Fuel Moto USA
The USA's Leader V-Twin EFI & Performance www.fuelmotousa.com
Contact 920-423-3309
Email jamie@fuelmotousa.com
I just finished my first tune and thanks to Jamie's instructions all went well. Using the first log that was taken, it appears there were only small changes needed to the front and rear spark tables. All other tables at this time were right on. The MAP I was using was one of Jamies and the bike has been running great before starting this tune. We will see how long it takes to get it spot on.
http://www.powercommander.com/downlo...uner_guide.pdf
I have a couple questions for Jamie,
1. I've tried a few logs with Lambda at .979. For some reason with Lambda this low, I get zero hits when I put my logs into the log tuner. What am I doing wrong or is the software not working correct? From one of your earlier post, you gave a range to stay in closed loop, and this is well within that range.
2. In the new manual, it suggest to "Extend the closed
loop operating range by changing all values to (14.6 or Lambda 1). This disables the
ECM’s ability to transition to open loop. (Ok I get this)
a) It suggest to rase PE Enable RPM above the Rev limit to disable power Enrichment (Is this necessary? We haven't talked about this before)
b) It suggest to remove 3-4 Degrees of spark advance from both the front and rear tables. My question here is it doesn't say where from? The entire table? Or just the sections where we've extended the Lambda table?
I may also go back to the first map that Jamie sent - which had the best performance of them all - and start auto-tuning it out to see what happens.
Oh, and BTW I can't thank Jamie and FM enough for their support and help. They've been fantastic to work with and extremely patient and helpful.
http://www.powercommander.com/downlo...uner_guide.pdf
I have a couple questions for Jamie,
1. I've tried a few logs with Lambda at .979. For some reason with Lambda this low, I get zero hits when I put my logs into the log tuner. What am I doing wrong or is the software not working correct? From one of your earlier post, you gave a range to stay in closed loop, and this is well within that range.
2. In the new manual, it suggest to "Extend the closed
loop operating range by changing all values to (14.6 or Lambda 1). This disables the
ECM’s ability to transition to open loop. (Ok I get this)
a) It suggest to rase PE Enable RPM above the Rev limit to disable power Enrichment (Is this necessary? We haven't talked about this before)
b) It suggest to remove 3-4 Degrees of spark advance from both the front and rear tables. My question here is it doesn't say where from? The entire table? Or just the sections where we've extended the Lambda table?
I think all of this stuff is for starting from scratch, which most of us aren't since we have FM maps... but still, I'm actually more confused by this guide than anything. The first was vague... this one is more specific but leaves it hanging and me confused lol. But then again, I don't know jack about tuning... just what I've gleaned from reading and from Jamie.
Last edited by Pass; Jun 4, 2011 at 09:04 AM. Reason: Disabling closed loop is for AutoTune Pro only... removed that line and question.
http://www.powercommander.com/downlo...uner_guide.pdf
I have a couple questions for Jamie,
2. In the new manual, it suggest to "Extend the closed
loop operating range by changing all values to (14.6 or Lambda 1). This disables the
ECMs ability to transition to open loop. (Ok I get this)
a) It suggest to rase PE Enable RPM above the Rev limit to disable power Enrichment (Is this necessary? We haven't talked about this before)
b) It suggest to remove 3-4 Degrees of spark advance from both the front and rear tables. My question here is it doesn't say where from? The entire table? Or just the sections where we've extended the Lambda table?
The reason you temporarily extend the closed loop operation is to dial in VE. You are just teaching the ECM how your motor breaths. You return the map settings back to the original settings once VE is zeroed in.
PE is disabled to make sure you are not biasing the outcome of your VE calibration runs.
He is suggesting taking timing out to protect the motor while calibrating VE.
You return all these settings back to where they were prior to calibrating VE in this section of the map.
Hope this helps
Ron
I think all of this stuff is for starting from scratch, which most of us aren't since we have FM maps... but still, I'm actually more confused by this guide than anything. The first was vague... this one is more specific but leaves it hanging and me confused lol. But then again, I don't know jack about tuning... just what I've gleaned from reading and from Jamie.
The Best of Harley-Davidson for Lifelong Riders
I'm sure Jamie has some better idea of a way to go about this process... including specific settings as the guide gives none.






