tuner questions
https://www.hdforums.com/forum/ignit...-injection-55/
Dynojet and/or Fuelmoto is about your best bet for cost and lifetime service. It's not worth trying to save $100 on a tuner and not have service.
If all the further your going to go is Stage1 spending big $$$ isn't worth it either.
I tried the EFI tuner here;
http://www.fuelmotousa.com/rt-3885-e...g-modules.html
But it was too big to fit under the seat of my 09 FXD,, Fuelmoto let me exchange for the PC-V,, and I've been happy with that.
Good luck,,
It is not a tuner, but it will adjust the mixtures to make the bike run better than stock, taking into account that you now have free flowing exhaust and intake.
It only costs $100. While it does not tune like a Power Commander or Power Vision, for a fraction of the price it will give you 80% the benefits of a $500 tuner for 20% of the cost. This is why thousands of folks run these and are completely happy with them.
Here is a thread with an overview of popular tuning options-
https://www.hdforums.com/forum/ignit...uning-etc.html
DKCustomProducts.com
It is not a tuner, but it will adjust the mixtures to make the bike run better than stock, taking into account that you now have free flowing exhaust and intake.
It only costs $100. While it does not tune like a Power Commander or Power Vision, for a fraction of the price it will give you 80% the benefits of a $500 tuner for 20% of the cost. This is why thousands of folks run these and are completely happy with them.
Here is a thread with an overview of popular tuning options-
https://www.hdforums.com/forum/ignit...uning-etc.html
DK custom,
how do the XiED work? what is it that they do to drop the temp and adjust the fuel?
Would you recommend them with a fuelpak? or better use one or the other?
Low cost but low utility.
To compare Xied and tuner is ridiculous. If you can't buy a good tuner don't change your exhausts.
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The Best of Harley-Davidson for Lifelong Riders
They work inline with your existing H-D Bosch narrow band 02 sensors and Delphi ECM to richen the fuel mixtures, adding approximately 8% more fuel to the engine in closed loop mode.
There is an indirect richening of the open loop fuel mixtures through the learning mode, or adaptive fuel value action built into your ECM. This ensures the richer 13.8-12.5:1 AFR's are ALSO adjusted in heavy/full throttle operation.
For a complete understanding of how the HD Delphi EFI system works, and how the XiED's work in concert with the EFI to richen the tune in BOTH open and closed loop, take a look at post #24 in the following thread-
https://www.hdforums.com/forum/sport...age-1-a-3.html
There are a good many people that have used the fuelpak 1 & 2 and still can't get a tune that they like. Many have added either the XiED or ViED to the bike, with the Fuelpak and ended up with results that they are very happy with.
You can see all the XiED products at this LINK, along with dyno charts.
I myself would use an XiED product before a Fuelpak 1 or 2. The FP3 is a very good unit...and cost over 3x's as much...so you have to weigh what benefits you are looking for, and whether the extra benefits are worth the $ to you. I would only use both if I already had an FP 1 or 2 and was not getting good results.
Here is a LINK where you can see FP3 Details.
I have used just about every tuner there is with one bike of mine or another. I've used an XiED product on several of my own bikes. I had one on my Sportster for a few years and was completely happy with it.
Harley is actually very good with their AFR tables & spark tables, just a little lean in the closed loop AFR, due to EPA. The XiED product works with those AFR tables and just richens them up some (not changing the HD progression) to what HD would deliver to the Customer if their hand's weren't tied by the EPA.
Will a bike run better with a $500 tuner than with the $100 XiED? Yes.
Will the improvement be 5 times better? No.
Is it worth it to many to pay the extra $400 to get all possible improvement? Yes.
Are tens of thousands very happy with spending only $100 and getting a much smoother accelerating, stronger accelerating bike from the XiED's? Yes.
Different strokes for different folks...or, like in my case...
I have several bikes. Some I want to get every last bit of possible power out of, and I use the Power Vision tuner.
Another bike is just more utility, but I did want to get rid of the stock low speed surging from the too lean tune. I also wanted freer flowing exhaust and air cleaner. On that bike I run an XiED and am very happy with the results for that bike.
Below is a chart showing the real-world benefit of using and XiED product, showing where it takes the stock AFR from 14.7:1-15.5:1 down to 14.0:1
This makes a huge difference in heat, and, more importantly, in power and smoothness in acceleration.









