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post #1 of 14 (permalink) Old 06-29-2013, 06:52 PM Thread Starter
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Question High temp and pinging Power Vision

Hey Shark tankers,

This is a lead in to my follow-on road trip post, but for this section here is my ?

Is there any way to tune out pinging when the outside temp is 118-120. Went thru Vegas to cedar city Utah headed to Deadwood today it was a little warm. Had the PV On the handlebars with exhaust gas temp displayed and it got to 318.

Had pinging in 5th at 70, 3k-3500 it sounded like a cymbal parade. Had to run in 4th to keep rpms up and pinging to a minimum. It was especially bad.with cruise on. Even on level road and the cruise would maintain speed it would ping. Mainly with very light throttle between maintaining speed and a light touch. If I romped on it, it wouldn't ping.

2012 rgu with vh monster ovals, tru duals and big sucker, power vision, Basic auto tuned it, but not at 120 degrees outside.

Can this be tuned out or is it too hot and un- avoidable?

Last edited by ThunderAO; 06-29-2013 at 06:57 PM.
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post #2 of 14 (permalink) Old 06-29-2013, 07:26 PM
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Ill be interested to hear what some of the gurus have to say. I have the same problem with nearly the same setup!


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post #3 of 14 (permalink) Old 06-29-2013, 08:46 PM
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Load up your map in WinPV and take a look at the "spark adjust by engine temperature" parameter. If you know the MAP reading where you are getting ping, sounds like it's just above cruise, probably 60 or 70 MAP, you can pull say 5 degrees in the 291 and 320 degree row.
This will pull 5degrees of timing anytime you're above 60 MAP(Manifold Absolute Pressure) and 291deg temp.


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post #4 of 14 (permalink) Old 06-29-2013, 10:06 PM Thread Starter
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Originally Posted by tdkkart View Post
Load up your map in WinPV and take a look at the "spark adjust by engine temperature" parameter. If you know the MAP reading where you are getting ping, sounds like it's just above cruise, probably 60 or 70 MAP, you can pull say 5 degrees in the 291 and 320 degree row.
This will pull 5degrees of timing anytime you're above 60 MAP(Manifold Absolute Pressure) and 291deg temp.


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WOW, thanks for that info. Would've never known that was possible. Truly appreciate the time you took to answer. Not expecting those type temps til my return in 2 weeks so gives me time to apply what you wrote. Still learning how much I don't know about the wonderful world of ECM mapping.

Thanks again.
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post #5 of 14 (permalink) Old 06-30-2013, 07:46 AM
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If you find yourself in this situation and have no access to a lap top, you can make an adjustment to the map from the PV itself. Go to the quick tune screen on the PV , you see various choices across the top of that display. Touch the spark tab and a screen will appear with three choices of "load area", most all problems like you were experiencing are in the medium load range. Use the down arrow in the medium range to reduce timing in that area, number of degrees changed will display in window beside arrow. When finished with adjustment, press continue to apply the change.


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post #6 of 14 (permalink) Old 06-30-2013, 09:11 AM
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Quote:
Originally Posted by mocotom View Post
If you find yourself in this situation and have no access to a lap top, you can make an adjustment to the map from the PV itself. Go to the quick tune screen on the PV , you see various choices across the top of that display. Touch the spark tab and a screen will appear with three choices of "load area", most all problems like you were experiencing are in the medium load range. Use the down arrow in the medium range to reduce timing in that area, number of degrees changed will display in window beside arrow. When finished with adjustment, press continue to apply the change.

Valid temporary fix, especially if you have no access to a laptop, however I wouldn't use it as a permanent fix as changing the timing this way will change it at all temperatures, not just at the extremes the OP was seeing at the time. The change I described above will change the timing ONLY when the engine temp is above the specified numbers.

Also it's my understanding that making the changes from the PV display are in addition to the map currently flashed, and do not permanently change the flashed map. If you re-flash the map those changes will not be there anymore.

2015 RGU CVO........under continuous change......
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post #7 of 14 (permalink) Old 06-30-2013, 09:55 AM
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Originally Posted by tdkkart View Post
Valid temporary fix, especially if you have no access to a laptop, however I wouldn't use it as a permanent fix as changing the timing this way will change it at all temperatures, not just at the extremes the OP was seeing at the time. The change I described above will change the timing ONLY when the engine temp is above the specified numbers.

Also it's my understanding that making the changes from the PV display are in addition to the map currently flashed, and do not permanently change the flashed map. If you re-flash the map those changes will not be there anymore.
Yep, not to be used as a long term fix, just suggested to get you out of a jam on the road


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post #8 of 14 (permalink) Old 07-01-2013, 09:50 AM
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I cannot find "spark adjust by engine temperature"
I have updated the power vision and the WinPV software and I have the WinPV set to Pro mode.
I can only find Spark Advance for the front & rear cylinders respectively.
and they are based on RPM and MAP.
What am i missing??
Thanks In advance!!


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post #9 of 14 (permalink) Old 07-01-2013, 11:50 AM
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Quote:
Originally Posted by chromedome View Post
I cannot find "spark adjust by engine temperature"
I have updated the power vision and the WinPV software and I have the WinPV set to Pro mode.
I can only find Spark Advance for the front & rear cylinders respectively.
and they are based on RPM and MAP.
What am i missing??
Thanks In advance!!
Load your map in winPv and click on the spark tab, there should be "spark adjust by eng temp" showing in the drop down. If not there go to top of the page and click on the PowerVision tab, you will get a drop down list. Next to last choice will be "update tune using PV", click on that choice and see if the spark adjust by eng. temp becomes available. Hope this helps,
Tom


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post #10 of 14 (permalink) Old 07-01-2013, 12:26 PM
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Quote:
Originally Posted by mocotom View Post
Load your map in winPv and click on the spark tab, there should be "spark adjust by eng temp" showing in the drop down. If not there go to top of the page and click on the PowerVision tab, you will get a drop down list. Next to last choice will be "update tune using PV", click on that choice and see if the spark adjust by eng. temp becomes available. Hope this helps, Tom

Good advice, but note that the PV has to be connected to the computer in order to use the "update tune using PV" option.

2015 RGU CVO........under continuous change......
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