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How much Difference with the SE "Street" Tuner?

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Old Apr 21, 2013 | 07:59 AM
  #11  
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Originally Posted by 08Hawg
Wow that pretty much sums it up huh? I guess that will feel MUCH different. Great chart, very useful, thank you. I feel like I will go with the street tuner for now and ride a while at least, make sure there's not any kinks from the factory with the warranty intact. Then later I'll have to make the switch over to the better tuner and get this thing running the way it should!

My understanding is that the street tuner is that it can be used on multiple bikes correct? I'm just thinking maybe I could sell it later and get some of my money back for the new one if someone else could still use it.
No the street tuner marries to the ecm so unless you sell the ecm with it it is useless on another bike. I have a both the street tuner and TTS. I have a 2011 RGU with se 254 cams, 2.1 supertrapp and stage 1 a/c. I have used the Street tuner as well as the TTS thru every stage along the way from the day I bought the bike I just installed the stage 1 air cleaner with stock pipes and ran that way for a while then added slip ons and then when to the 2.1 then eventually added the cam. There is so much misinformation about the epa/carb issue. I can tell you that in most of the places we run our touring bikes the Street tuner is much richer then people think. WOT is set at 12.8 afr converted from lambda and at cruise low load is low 14's converted. About the only place it actually is leaner then an optimimum tune with the tts is at idle. Steve Cole of TTS will tell you that if you use the components harley has the maps for with the Street Tuner you will be very close and he told me peak numbers will be similar. It is when you vary from the SE components that you loose out with the Street tuner. Seat of the pants WOT I can tell no difference between my Street tuner cal and a professional tune of my TTS (Russel of Lonewolf one of the best anywhere). the TTS is however smoother feeling and down the road when I go with head work and different cams it will adapt. Bottom line for me if only going to go with SE stuff Street Tuner is hard to beat. I have switched back and forth for the last 28,000 miles on a pretty continuall basis. One issue that I do not like about the TTS is that the ECM gets locked out if you don't set it back to the original MTE cal that was downloaded from the factory in your bike. So unless you carry your TTS dongle and lap top with original mte and you have an issue on the road the harley shop can have a difficult time with the ecm depending on what the issue is. Some parts of the ecm are not locked so they can do somethings but some areas are so the tech might think you have a fubared ecm. The Street tuner does not lock the harley digital tech out. sorry for all the hot air but I may be the only person that actually runs both.
 
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Old Apr 21, 2013 | 08:02 AM
  #12  
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Originally Posted by richie
I am running a 2010 Limited with the Street Tuner , could not be happier , do not miss all the other adjustments available with the different tuners on the market , and I have had them. Do not want to put my bike on a dyno. I have 2-1-2 Fuel Moto ceramic coated catless exhaust, SE slash cut mufflers, SE Intake, bike runs great, night and day difference from stock. No warranty worries. Love it. Mileage is good also.There is an abundance of different maps you can intechange, check it out on your puter when you get it .That free feel on the throttle difference between your Street Bob could be the throttle by wire changes on the Limited.There were 2 versions of the Street Tuner , make sure your dealership is installing the latest one where you have control in installing your own downloads. Good Luck.
Harley issued a free download that updates the first generation street tuner so end user does all the downloads themselves. I have the first gen the 41000006 or whatever it was. When I first got it only the dealer could flash the ecm via digital tech but that changed soon thereafter with the update.
 
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Old Apr 21, 2013 | 11:57 AM
  #13  
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Originally Posted by mtclassic
No the street tuner marries to the ecm so unless you sell the ecm with it it is useless on another bike. I have a both the street tuner and TTS. I have a 2011 RGU with se 254 cams, 2.1 supertrapp and stage 1 a/c. I have used the Street tuner as well as the TTS thru every stage along the way from the day I bought the bike I just installed the stage 1 air cleaner with stock pipes and ran that way for a while then added slip ons and then when to the 2.1 then eventually added the cam. There is so much misinformation about the epa/carb issue. I can tell you that in most of the places we run our touring bikes the Street tuner is much richer then people think. WOT is set at 12.8 afr converted from lambda and at cruise low load is low 14's converted. About the only place it actually is leaner then an optimimum tune with the tts is at idle. Steve Cole of TTS will tell you that if you use the components harley has the maps for with the Street Tuner you will be very close and he told me peak numbers will be similar. It is when you vary from the SE components that you loose out with the Street tuner. Seat of the pants WOT I can tell no difference between my Street tuner cal and a professional tune of my TTS (Russel of Lonewolf one of the best anywhere). the TTS is however smoother feeling and down the road when I go with head work and different cams it will adapt. Bottom line for me if only going to go with SE stuff Street Tuner is hard to beat. I have switched back and forth for the last 28,000 miles on a pretty continuall basis. One issue that I do not like about the TTS is that the ECM gets locked out if you don't set it back to the original MTE cal that was downloaded from the factory in your bike. So unless you carry your TTS dongle and lap top with original mte and you have an issue on the road the harley shop can have a difficult time with the ecm depending on what the issue is. Some parts of the ecm are not locked so they can do somethings but some areas are so the tech might think you have a fubared ecm. The Street tuner does not lock the harley digital tech out. sorry for all the hot air but I may be the only person that actually runs both.
Nice info you have posted , be prepared to get flack from all the naysayers of the Street Tuner who have never used it and are commited to their way of thinking , good one.
 
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Old Apr 21, 2013 | 07:53 PM
  #14  
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I picked the bike up this evening. I ended up going with the rineharts and the street tuner to make sure I don't bother my warranty for now. I absolutely love the bike, but it there is a huge difference in how aggressive the bike feels compared to my old bob. The street bob was a 96 ci of course, and it just had the stage 1 cleaner and big radius pipes, with the race tuner. I assume what they were able to do with the race tuner is that much better?? I really wish I could get the same feel out of this motor. Any thoughts? I just can't believe the difference in the way the throttle feels. Basically like it is completely limited, I guess this is due to maintaining EPA standards? I know this is a much heavier bike but I'm not even talking about speed, although that is obviously changed too. I'm hoping that just getting to the race tuner later, or any kind of non restricted tuner for that matter, is what will make all the difference.

Thanks a lot for all the help so far...
 
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Old Apr 21, 2013 | 10:17 PM
  #15  
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I run a Street Tuner on my 2011 Street Glide and don't have any issues. I'm running a de-cat head pipe, Zippers stage 1 air cleaner, and V&H twin slash round mufflers. As far as the air fuel ratio being "tunable" with the street tuner well that is bullshit. You can "Smart tune" the bike so that it is optimized for the fixed fuel ratio for the map you download, but you can not adjust the a/f ratio itself. That is why it is a "street (epa) legal" tune. The map I run is just a touch richer than the "economy" map for the Dynojet Power Vision in the closed end section. Dynojets "Power" map is 0.3 to 0.4 richer than the street tuner map, again in the closed end section. The street tuner map is so close to the Power Vision map in the open section of the map that it is not worth talking about.
 

Last edited by Ganno57; Apr 21, 2013 at 10:21 PM.
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Old Apr 24, 2013 | 10:14 AM
  #16  
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Thanks for all the info, you guys have me looking at the TTS mastertune as an option now. Been researching them a little now. After hearing they produced the original SERT I figure that's basically the tuner I had before anyway. It looks like you can do a ton at home with your laptop with the TTS and even restore factory settings too (may come in handy for warranty work if needed??). I appreciate it, any other insight would be great!
 
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Old Apr 24, 2013 | 11:07 AM
  #17  
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Originally Posted by 08Hawg
Thanks for all the info, you guys have me looking at the TTS mastertune as an option now. Been researching them a little now. After hearing they produced the original SERT I figure that's basically the tuner I had before anyway. It looks like you can do a ton at home with your laptop with the TTS and even restore factory settings too (may come in handy for warranty work if needed??). I appreciate it, any other insight would be great!
Yes the TTS can do a lot for the do it yourselfer but it takes a lot of work and patience to get it mastered. I spent hours and hours and many miles with mine. It ulitmately was worth it to me to have both.
 
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Old Apr 24, 2013 | 11:35 AM
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No way in hell will I ever spend money on another SE Tuner of any kind. I have well over 45,000 mi with Serts and TTS and the TTs is better period. I agree the TTS will take more time to adjust but that is primarily due to the fact it has many more tuning options.
 
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Old Apr 24, 2013 | 12:03 PM
  #19  
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Congrats on the new bike, have fun, ride safe

The SE Street Tuner as has already been said is a EPA complaint tuner. In other words it is limited to only making very subtle adjustments, much like the dealer download. IMO its kind of a waste of your $, but is better than doing nothing. For the same $ there are a lot of tuners availble that will increase your performance, MPG and cool the engine for longer life.

You make a few references to your "warranty" the only way some problem can not be covered by your warranty is if they can prove that the modification caused the failure. Now the real life situation is some dealers dont want to cover anything, some cover everything and most will cover anything that they install. Your chances are always better if you have been using HD parts instead of aftermarket. We have 6 dealers in 75 miles of 2 are great, cover most any failure, 1 of them will not install any after market performance parts unless they are HD 49 state legal and tell everyone that anything else will void warranty. The others are hit and miss if you need warranty service.

Bottom line is you could have a warranty issue with the Rineharts you have installed and the SE Street Tuner or you could do your own install use a TTS or PV, do cams and pipes and have a crankshaft go and 1 dealer wont blink at repairing it and the next will try to deny it.
 

Last edited by XARAN; Apr 24, 2013 at 12:06 PM.
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Old Apr 24, 2013 | 12:13 PM
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Would I be getting out of my league trying to use the TTS? I have zero experience with tuning on my own. I assume there are some base maps to get you started and you can tweak as you go? I'm sure I could learn a lot from some of your all's experience, but I have never tried doing my own tuning at all.
 
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