Print

Please login or register.
1 Hour 1 Day 1 Week 1 Month Forever
Login with username, password and session length

[Hot.dog]

Hey guys, I have a 2012 CVO Street Glide and I just put a Vance and Hines exhaust on it(head pipe and slip ons). I did not change the air filter. I brought my bike to the Harley shop to see if they could re-flash the ECM. They told me there are no programs for the SE's because they are already loaded with a custom setup. The service manager told me to ride it and see how it does without a tuner. I have another friend with a 2010 CVO Street Glide and he has been running the same setup without a tuner for 10,000+ miles. What are your thoughts on this?

[glens]

That it's asking too much of the adaptive fueling programming in the ECM, and that V&H are fairly notorious for not getting the oxygen sensor bungs located or configured correctly which will further hamper things in that regard.  Whether you get a device to reprogram the ECM (TTS, HD, PV, TR, etc.) or a piggyback controller (PC, V&H, etc.) is a choice you should make before you get too many miles on it that way.

Do what you want, but I wouldn't do it the way your friend is doing it.

[hdnik]

I'd suggest a supertuner or a tts mastertuner. These things are lean to start with. The bike has to be leaned right out now. More air flow than the ecm can compensate for. It will run white hot. Pull the rear plug and see.

There are many threads on this site in that regard. Primary goal is to richen the mix. You can do it yourself with the right tuner, map and the software/cables... Not ideal unless you go further and smart tune it afterward, but a good start and far better than leaving it the way it is.

[hdnik]

That it's asking too much of the adaptive fueling programming in the ECM, and that V&H are fairly notorious for not getting the oxygen sensor bungs located or configured correctly which will further hamper things in that regard.  Whether you get a device to reprogram the ECM (TTS, HD, PV, TR, etc.) or a piggyback controller (PC, V&H, etc.) is a choice you should make before you get too many miles on it that way.

Do what you want, but I wouldn't do it the way your friend is doing it.

Times 10

Lots of options, all far and a way better than the path you are traveling.

[lilcoot]

Hot.dog,

I'm surprised the service manager recommended that you not re-map the ECM or get a new tuner.  I stalked most of the stealerships in SoCal for months before I bought my SG, and every single one said a new map would be required with new head pipe and mufflers. 

With my limited HD experience, I think a new tuner is a must have on any new Harley.  My SG ran sooo much better after installing a fuel controller (cooler, better response, less popping and back firing, no stalling), that I would recommend one as the first add-on for any new bike.   

[glens]

Well, my recommendation as the first money spent on any new bike is a TTS kit.

It's not that the bikes are so lean from the factory.  They're running closed loop and this, with the type of exhaust sensors being used, is going to be somewhat lean no matter what.  But you can't get very "rich" and still stay in closed loop but that's okay.  Closed loop is a good thing.  And these sensors are good.  The main thing is to get the programming in the EFI to match the airflow characteristics and fuel supply characteristics of the complete assembled package of any given bike.  Then the EFI will really shine.  This is best accomplished by direct programming of the ECM as opposed to some sort of piggyback controller.  TTS is currently the best setup available for doing this.  Even a totally stock bike will almost every time show improvement when individually calibrated.

[Hot.dog]

Well, my recommendation as the first money spent on any new bike is a TTS kit.

It's not that the bikes are so lean from the factory.  They're running closed loop and this, with the type of exhaust sensors being used, is going to be somewhat lean no matter what.  But you can't get very "rich" and still stay in closed loop but that's okay.  Closed loop is a good thing.  And these sensors are good.  The main thing is to get the programming in the EFI to match the airflow characteristics and fuel supply characteristics of the complete assembled package of any given bike.  Then the EFI will really shine.  This is best accomplished by direct programming of the ECM as opposed to some sort of piggyback controller.  TTS is currently the best setup available for doing this.  Even a totally stock bike will almost every time show improvement when individually calibrated.

Thanks everybody.. Glens, Can you give me a part number for the kit your talking about? Ive decided either to go with it or to go with the sepst tuner/dyno route...

[HOGMIKE]

Thanks everybody.. Glens, Can you give me a part number for the kit your talking about? Ive decided either to go with it or to go with the sepst tuner/dyno route...

You can start here:
http://www.mastertune.net/
Or go to the vendor area and pick a member here who sells the product.
We each have our favorites depending on what part of the country you are in, and what resources are available to you.
 

[darth davidson]

If you are close to FLorida , go for Doc's performance tuning. You will not regret it.