Whos runing autotune pro on the power vision - Road Glide Forums
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post #1 of 31 (permalink) Old 08-21-2013, 08:46 PM Thread Starter
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Whos runing autotune pro on the power vision

Just curious. I purchased the Auto Tune Pro kit for my power vision. Anyone using it versus the auto tune basic. It is all its hyped up to be. Installing this weekend. Anyone have tips on running all cables.

thanks.

2013 FLTRX Road Glide Custom, V&H Pro Pipe, Fuel Moto air cleaner, Woods TW-222 cams, Woods Alpha series lifters, Power Vision w/ autotune pro. HD king color match tour pack.
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post #2 of 31 (permalink) Old 08-21-2013, 08:59 PM
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Originally Posted by Liquidr1 View Post
Just curious. I purchased the Auto Tune Pro kit for my power vision. Anyone using it versus the auto tune basic. It is all its hyped up to be. Installing this weekend. Anyone have tips on running all cables.

thanks.


I'm running the pro version. It runs a lot smoother and a seems to be stronger. I bought mine used for less than 200 bucks. I don't think it's worth full pop IMO. The basic did a really good job.
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post #3 of 31 (permalink) Old 08-28-2013, 10:09 AM
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I am bike runs great 106 S&S 54 h cam RSD air cleaner Drago Dragula
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post #4 of 31 (permalink) Old 08-28-2013, 10:45 AM
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I am, 107 Big Bore, Fueling 574 cam, Rev Performance Heads ported & polished, hi Perf valves & true duals. Bike runs great with the autotune. I also got the pkg for dealer cost thru my Indy...


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post #5 of 31 (permalink) Old 08-28-2013, 11:32 AM
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So I'm curious...

My understanding is that the Pro AT module only works for Logging and for Auto tuning. Once you've autotuned, the module is just sitting there doing nothing. That the PV (and more specifically) and ECM can not use the wide bands.

So if you guys tuned with Pro, did you then modify your maps and monitor at richer settings, then lock it all down in Open Loop?

BTW - Pat123 I've got the same opinion, not worth $400, and I've been keeping my eyes peeled for a used set like you got. I figure most will use it to tune, then remove it and shelve it.

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post #6 of 31 (permalink) Old 08-28-2013, 11:59 AM
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does the auto tune pro get married to the PV or the ECM? I have a friend who has one I wonder if I could just borrow his?

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post #7 of 31 (permalink) Old 08-28-2013, 12:37 PM
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Originally Posted by faststan View Post
I believe the Autotune Pro stays on the bike. It uses the 18mm bungs for O2 sensors and constantly monitors A/F, fuel levels, etc. It is plugged into the ECM and makes changes 'real-time'. The Autotune Basic is in the Power Vision and is used to monitor and adjust a map that is then saved to the PV and downloaded to the ECM.
The AT unit can stay on the bike. But it's serving no value unless you are Autotuning, or Data Logging. AT Pro plugs in and communicates directly with the PowerVision unit.

When the engine is running, it runs off the ECM exclusively and the PV unit, if plugged in it's passively reading data off the ECM (for Gauge functions).

The only real time function a PV unit can impart on the ECM when the engine is running is Idle speed adjustment, and this was added with the latest Firmware update. All Mapping, modifying, quick tune etc requires the ECM to be powered on and Engine Off.

IF you have a PowerCommander you can use the AT unit in real time and take advantage of the wide bands O2's.

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post #8 of 31 (permalink) Old 08-28-2013, 12:42 PM Thread Starter
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The auto tune only works when you are in auto tune mode on the power vision. It does not change air fuel ratios in your base tune. It only makes changes to your front and rear volumetric efficiency tables. Auto tune setts the entire base air/fuel chart to 13.1:1. It then uses the wide band sensors to measure exact af ratios and then makes changes to your ve tables to match what mods you have done to the bike ie exhaust intake cams etc. You ride, it makes ve changes where needed. You export the changes to the power vision and flash the tune. Now your ecu uses the correct ve tables to set proper duty cycles for the injectors so they will achieve the air fuel ratios set in your a/f table.

So. Will it make your bike ru better, yes. Does it actually create new base a/f table to make best hp and tq. No. Itis only a means to achieve correct air fuel ratio based on air flow of mods you have done. Lets say your base a/f table is all set to 13.8 for all loads and rpms. With correct ve tables, if the a/f chart is calling for 13.8, the real time a/f in the exhaust will be 13.8. You can use winpv to tweak you af tables once auto tune corrects the ve tables

Now, you can use the wide bands to monitor real time af ratios in the exhaust with the powe vision. It just doesnt control anything in the ecm.

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Last edited by Liquidr1; 08-28-2013 at 12:44 PM.
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post #9 of 31 (permalink) Old 08-28-2013, 01:08 PM
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AT Pro also handles spark tuning while you autotune as I recall.

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post #10 of 31 (permalink) Old 08-28-2013, 03:22 PM
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Quote:
Originally Posted by y2kflhr View Post
does the auto tune pro get married to the PV or the ECM? I have a friend who has one I wonder if I could just borrow his?
The AT pro does not lock to a given ECM or Powervision. The wide band sensors biggest asset are the ability to accurately adjust VE tables to obtain AFR ratios outside the range of your narrow band sensors. Any map pressure above 70 KPa needs a richer mixture than stock sensors can measure, so without that ability you are relying on the base map loaded to be sufficient. If your engine combination is very close to what that basemap was built on you may not see much difference with AT pro. You would tune with the pro system then choose if you want to run in open loop continuously or use closed loop setting. Even in closed loop setting your ECM will use the open loop tables anytime the engine load requires, and they will be spot on for your engine if adjusted by the AT pro.


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