Direct Link Tuning Key - Road Glide Forums
ECM/Fuel Management systems ECM/Fuel Management systems For Road Glides

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post #1 of 13 (permalink) Old 04-20-2016, 10:11 AM Thread Starter
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Direct Link Tuning Key

I am currently running a Power Commander V on my 2012 Road Glide, my bike seems to run differently when the humidity kicks in. I spoke to the HD dealership and the fella that did the tuning and he swears the MAP or the PCV shouldn't act like that. This is the second summer/ spring in a row I have had this experience.

With all that said I am thinking about switching to Direct Link Tuning Key. My understanding is you purchase a Key that is associated with the Bike's ECM and the ECM software is completely re-written. The tuner at the Bike shop I spoke to swears by it and said he moved away from Power Commander for the reason I am experiencing.

If anyone has experience with the Direct Link Tuning Key please let post your experiences so I can make an informed decision.

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2012 FLTRX, 4" Rineharts, V&H Naked V02, FullSack Head Pipe, 14" Malo's, Topshop Minister Fender & Viper bags, 21in Hogpro Titan wheel, Progressive monotubes with 1in drop, Andrews 57H cams.

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post #2 of 13 (permalink) Old 04-20-2016, 01:25 PM
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Yes, if he is a good tuner, it's a great tuning device. It's what we use in the dyno.


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post #3 of 13 (permalink) Old 06-08-2016, 02:17 PM
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Well like you I was having sort of the same issue and brought my bike to the local dyno shop and the shop owner also recommended the same Direct Link Tuner and I am taking out the Power Commander V. So that said I hope for a good result as I should have my bike back on Friday with it tuned using the DL


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post #4 of 13 (permalink) Old 06-08-2016, 10:26 PM
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I have Irect Link on my bike. The bike runs great. Rember, the tune is only goo as the tuner. The tuner that did my bike would not tune it if it was raining. I have my tune on a thumb drive. It can be tweaked if nessecery.
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post #5 of 13 (permalink) Old 06-09-2016, 01:31 AM
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I have the Direct Link on my 05' Dyna and will be putting one on my RGU when I do my upgrades to it. It's the only thing my mechanic uses and I'm happy with it.


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2013 FLTRU, S&S Power Tune Duals, Supertrapp Stouts, Andrews 48's, AN Big Sucker, Direct Link, Fuel Moto LED's, Custom Dynamics, 14.5 Madstad, 14" Carlini's, Legends AXEO and Revo A's.
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post #6 of 13 (permalink) Old 06-09-2016, 04:33 AM
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Direct Link tuning is a good system and many tuners use it with great success however you must understand that high humidity is a performance killer in all aspirated engines, especially your air cooled motor. High cylinder head temps of air cooled motors worsen the affect of humidity, especially if the bike is running on the rich side of the a/f ratio


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post #7 of 13 (permalink) Old 06-09-2016, 06:51 AM
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Air density and heat play a big roll in making horse power and torque. Just ask the NHRA racers that go up to Denver area in Morrison to race. If your tune with the power commander is off even a little, when the changes in density and heat rises the oxygen sensors can only do so much to adjust. Sounds like this is mostly what you are experiencing. Timing could be playing a part in the equation too. Most of the canned maps are very conservative on timing which in fact takes horse power with it as well. All of this plays a factor in making your engine run as efficient as possible. With the direct link and the dyno, we work and work for hours getting the best tune possible going over dated each pull and until we get it fine tuned fro the best tune possible. This takes time as much as 6-8 hours at times. When a good base map (another bike we have tuned) is close to the build we are tuning, it helps cut this time down but still it takes time to run it thru each throttle position and rpm blocks multiple times to get it right. The finish product is a bike that performs up to it's potential and gets great fuel mileage as a bonus.

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post #8 of 13 (permalink) Old 06-11-2016, 10:43 PM
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Well I have my bike back as of Friday and I am very happy. My dyno guy was great and he explained everything and has my bike dialed in so I am all set with the Direct Link.


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post #9 of 13 (permalink) Old 06-11-2016, 10:50 PM
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Quote:
Originally Posted by bobbybones View Post
Well I have my bike back as of Friday and I am very happy. My dyno guy was great and he explained everything and has my bike dialed in so I am all set with the Direct Link.


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Whats your numbers and mods to your bike?


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post #10 of 13 (permalink) Old 06-12-2016, 06:24 AM
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S&S twin sucker intake, V&H 2 into 1 Propipe, Andrews 57H cams and now Direct Link fuel management and numbers were 96/106


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