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  #9591  
Old 12-19-2023 | 07:46 AM
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Originally Posted by Rounders
Is it your first harley or first newer harley? I am really happy with the same bike. I bought it used, so I don't know if if decatted, I forgot to look when pipe was off. He said stock. It is stock pipe and pretty much everything else.

My 2007, first year of 96 and epa changes, that is hot. Myself and OL don't notice it on this bike.
No. Ive owned harleys since the 90s. Been riding bikes since 1990. However it is my first bike with cat.
I ended up decatting mine, added arlen ness big sucker ac, with pv4 and fuelmoto map.
I have not had it on the dyno, but it runs & sounds like a different bike. Its about 50 degrees cooler at the location of cat now checking with a infrared temp gun. Much stronger.
 
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  #9592  
Old 12-19-2023 | 12:15 PM
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Is it your first newer bike? My 07 is a lot hotter than 2001, neither have cats.

I thought the 2015 was not all that hot. Next tire change will see if I can tell if has a cat. Everything else looks stock on my 2015.
 
  #9593  
Old 12-19-2023 | 12:19 PM
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Originally Posted by Rounders
Is it your first newer bike? My 07 is a lot hotter than 2001, neither have cats.

I thought the 2015 was not all that hot. Next tire change will see if I can tell if has a cat. Everything else looks stock on my 2015.
Before my pv4, and decat, my 2015 was much hotter than my 06 ultra. Over 400 degrees at the cat.
 
  #9594  
Old 12-19-2023 | 12:34 PM
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2007 I think was big change, you had new engine. But I also believe you had increased EPA restrictions. Your 06 may be very similar to my 01.

So you decatted and tuned, but left pipe and air cleaner same?

I am looking at buying tuner for different bike and wondering if worth tuning not changing anything.
 
  #9595  
Old 12-19-2023 | 12:57 PM
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Originally Posted by Rounders
2007 I think was big change, you had new engine. But I also believe you had increased EPA restrictions. Your 06 may be very similar to my 01.

So you decatted and tuned, but left pipe and air cleaner same?

I am looking at buying tuner for different bike and wondering if worth tuning not changing anything.

On the 2015 103HO, I put Arlen Ness big sucker ac, Pv4 with fuelmoto tune, decatted stock head pipe, and Vance & Hines 4.5 Titan slip ons.
Runs strong for what it is. Much cooler than stock. Im pleased with it. Im not racing. Just touring.
 
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  #9596  
Old 12-26-2023 | 03:03 PM
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Not sure if I've shared this here before, in the following video Lucas goes over the flashing process with Dynojet PV4 start to finish >>

 
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  #9597  
Old 12-27-2023 | 11:39 AM
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Originally Posted by fuelmoto
Not sure if I've shared this here before, in the following video Lucas goes over the flashing process with Dynojet PV4 start to finish >>

https://youtu.be/NlGqww_pOrA

Any news on autotune?
 
  #9598  
Old 12-27-2023 | 03:39 PM
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Originally Posted by brownie4412
Any news on autotune?
I do not have a specific timeline however the good news on the PV4 front is Dynojet has hired an in-house app developer which will accelerate new PV4 features and overall product improvements.
 
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  #9599  
Old 02-17-2024 | 01:51 PM
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Originally Posted by fuelmoto
Not sure if I've shared this here before, in the following video Lucas goes over the flashing process with Dynojet PV4 start to finish >>

https://youtu.be/NlGqww_pOrA
Jamie,
I have a 2018 FLTRXSE with stock motor except for an aftermarket headpipe and S&S MK 45 slipons and SE pro street tuner. It was dyno-tuned by the dealer when I bought it after the exhaust was changed.
Is there anymore I can do with the ECM to get more out of that motor, besideds changing the cam? I was told by several shops and HD dealers to get rid of the SE tuner and go with the PV tuner.................said all you have to do is buy the license and then any shop can tune it?
thanks
 
  #9600  
Old 02-17-2024 | 05:16 PM
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I'm new to tuning. I have a PV2 from @fuelmoto with their canned tune. I have run multiple Auto Tune sessions. Now I'm looking at timing. I know I can reach out to FM to get the timing dialed based on my logs. However, I like to learn and have an understanding of what is going on. I have the time to look at it myself and want to get some hands-on experience tweaking a tune.

I plotted my spark knock retard events from my data logs. Below is RPM vs MAP (kPa) x Spark Knock Retard Front Cylinder (degrees). The plot contains over 15,000 data points from my log of over 30,000 data points (i.e., over half of my data points contain knock retardation).

Based on this info, from 50-85 kPa and 2000-3500 RPM, I am getting between 2-3 degrees of knock retardation. Therefore, should I retard my timing in that region by the corresponding degrees of knock retard (i.e., the advance timing number would be smaller)?

Am I thinking about this correctly? Or should I just leave it alone and let the ECU sort it out?

E10 91 octane. This graph gets off the charts (6+ degrees) on non-ethanol 87 (the only non-ethanol in my city).

 

Last edited by BrandonSmith; 02-17-2024 at 06:42 PM.


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