FL-VIED on a 2016 FLTRU - Road Glide Forums
ECM/Fuel Management systems ECM/Fuel Management systems For Road Glides

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post #1 of 4 (permalink) Old 11-05-2017, 08:08 AM Thread Starter
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FL-VIED on a 2016 FLTRU

In 2011 I had a 2010 FLHTP. I put on the performance headers from V&H (basically a gutted Cat) and stock pipes .

I spent 100's of miles and many communications back and forth with Steve at NightRider.com

After all the minute changes and trials I found out a curious phenomenon... More is not always better.

These FL-VIED's are "Variable" inline regulators the XIED is fixed (at about 55%)

They adjust the Air Fuel Ratio through the O2 sensor feedback to the ECM.

On the 2010 bike I settled on about 15-20%. Which was very hard to select as the dials were so small. I understand that now, the dials are slightly bigger.

The FL-VIED worked very well for my style of conservative riding. The 2010 was not a great year for the ECM factory tuning and minor changes (like Stage One etc) would definitely require some tuning.

*****

Fast forward to the present...

I have a 2016 FLTRU with CVO pipes and a gutted Header. When the bike had the stock header and the CVO pipes it ran very well. But lacked any punch. It was very quiet and only had power over the 3,000 rpm range.

Once I gutted the header... the power band increased but the idle was just (ever so slightly) off smooth. The sound was deeper and louder and the throttle response was a little better. The pickup was a little better but again, until you got up over 3,000 rpm the power band was limited.

I know many have said you do not need any kind of tuning if you just de-cat the header. And they are correct... You don't have to. Mine ran fine... it was nice, quiet and ran great.... BUT.... a little sluggish or slow (if you know what I mean).

So I just ordered the FL-VIED... I should get it next week.

Here's the facts (from nightrider.com)

*****

No. Zero setting is about 1.5-2% more fuel.
25% = 4%, 50=6, 75=8


******
So at the Zero setting It still pumps more fuel thru the system than stock. and because I have the CVO pipes on I have got more back-pressure than stock... but I gutted the cat so it evened it out a bit... so I am thinking that I need just a very slight adjustment to smooth things out. So I will start at the Zero setting and go up from there if needed.

If I had the cash I would probably go with the Thundermax system that replaces the ECM... but that gets a little technical and other things like the Fp3 or PC5 etc... double or triple the price. Even Jamie at Fuel Moto ... who can simply flash your existing ECM for the mods you have , costs twice as much.

So... for the money and the simplicity of it all... Let the experiment begin.......
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2016 FLTRU Vivid Black

Last edited by gorillaman; 11-06-2017 at 06:57 AM.
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post #2 of 4 (permalink) Old 11-05-2017, 10:05 AM
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I've been happy with the FL -10 vied. Been on the bike for about 5 yrs.
I think I have mine set at about 1/2 way.

2010 FLTRX , Stage 1, 13" Madstad, Mono tubes, SuperShox, Heritage style bars. Alpine CDE-HD149BT,Soundstream Picasso Nano Series PN4.520 , 5X7 and 6.5 Infinity Kappa speakers
If I have to explain ,you wouldn't under stand anyway.
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post #3 of 4 (permalink) Old 11-23-2017, 02:20 AM
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Subscribed. I also have a '16 RGU. It has the HD Screaming Eagle air filter with HD flash and street canon mufflers. I used to hot-rod everything, but I doubt if I will make any more changes to the motor on this bike for the foreseeable future. Given that, I question the value of a full featured tuner. But, I would like to get the fuel mix a little richer than the stock lean setting, so I am very interested in how it works for you - any seat-of-the-pants improvement in power or smoothness? Running cooler? Any effect on fuel mileage?
Please keep us updated on your results. Thanks!

"Love is good for you"- Mariah, six years old.
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post #4 of 4 (permalink) Old 11-23-2017, 10:32 AM
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Originally Posted by deadhawg View Post
Subscribed. I also have a '16 RGU. It has the HD Screaming Eagle air filter with HD flash and street canon mufflers. I used to hot-rod everything, but I doubt if I will make any more changes to the motor on this bike for the foreseeable future. Given that, I question the value of a full featured tuner. But, I would like to get the fuel mix a little richer than the stock lean setting, so I am very interested in how it works for you - any seat-of-the-pants improvement in power or smoothness? Running cooler? Any effect on fuel mileage?
Please keep us updated on your results. Thanks!
Similar config in my 2017 RGU M8, but I put the Heavy Breather.

As I said in another thread, I have just ordered a SE Stage II Torque. I can't wait to get it.

Here some pics.

https://www.roadglide.org/attachment....6&d=1508694719
https://www.roadglide.org/attachment....2&d=1508694748
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