She sounds sweet !

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Well I finally took the plunge, I was instructed to run the 07 SS open loop with the special ops muffler and K&N air filter and reset the parameters to do that. I set the AFV to 100 high and low, took the o2 off line, burned it and had no problem.. Surprisingly it still pops quite a bit. As soon as I started it, I could smell a rich mixture but took it out anyway for a test ride. Over all I would have to say it runs better especially off the line and low throttle cruising. I readjusted the AFV to 98 on the low and 102 on the high. This is where it got interesting because when I went to burn the settings I got a message in black that said broken pipe ? I don't have any broken pipes and there are no codes ?
 
Well I finally took the plunge, I was instructed to run the 07 SS open loop with the special ops muffler and K&N air filter and reset the parameters to do that. I set the AFV to 100 high and low, took the o2 off line, burned it and had no problem.. Surprisingly it still pops quite a bit. As soon as I started it, I could smell a rich mixture but took it out anyway for a test ride. Over all I would have to say it runs better especially off the line and low throttle cruising. I readjusted the AFV to 98 on the low and 102 on the high. This is where it got interesting because when I went to burn the settings I got a message in black that said broken pipe ? I don't have any broken pipes and there are no codes ?


read here: https://www.buellxb.com/forum/showthread.php?44205-ERROR-Broken-Pipe-(The-Saga-Continues-)&p=585646
 
Run a lower octane Fuel will help with the backfiring issue, A lot of guys will run high octane think it will make the bike run better or more power. I was one of them. i changed to 91 unleaded and it changed it dramatically
 
Plus 91 octane is what I run. I adjusted the AFV to 100 on the min. & max, that actually made it worse, I then lowered the min AFV to 98 .6. and that made it better. So I am presently experimenting, after each adjustment, I take the bike for a ride and see how she does. Once I get it close, which should be pretty soon now, I'll try the log recorder and see where we are. Thanks for the suggestion on the 91 octane.

P.S. it would probably be easier if I could dig up a specific tune for the Spec.Ops muffler.
 
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Yeah let me know how you go. i guy i know drags bikes and told me that the twins have a lower compression and should be ran with the lower octance fuel. I have same problem and have just started looking into the buelltooth. looks like a great way to get it running a bit better. i have a Jardine exhaust on mine. Just got to find a place to buy one
 
Fun facts about gas!:)
With no other changes, Lower octane fuel won't make you bike run differently for the same exact reason that higher octane fuel won't make your bike run differently. A much bigger difference is the quality of fuel. 91 octane pump gas from an old mom and pop station can have vastly different ages, amounts of water, and even Ethanol as it separates in the tank. 91 octane VP will be clean, fresh, and specifically formulated in small batches.

Higher octane ratings are simply a measure of how gasoline resists detonation, It's not a power rating. That is called British Thermal Units (BTU's). Higher octane gasoline actually burns slower and more importantly, more controlled.

Using high octane gasoline allows a higher compression ration (which will net you more torque) and allows you to advance the ignition timing without detonation (netting more HP). Unless you are swapping pistons or changing your timing curve, normal gasoline is fine.

That said. I run 91 octane pump gas in my Buells. I feel they need the octane rating to resist detonation just because they are air cooled and run a wide temperature range, and I use it as a safety buffer because 87 regular is just junk.

Note: I think this high octane=power rumor got started from marketing of course, and because an engine thats rated for regular gasoline that also uses a knock sensor (Buells don't have one) could see power a increase from high octane fuel. The ECM can advance the stock timing automatically to take advantage of it. It's the timing advance that nets you power, not the gas.
Newer 'dual-fuel' cars that can eat Ethanol are very good at this.
 
Yeah let me know how you go. i guy i know drags bikes and told me that the twins have a lower compression and should be ran with the lower octance fuel. I have same problem and have just started looking into the buelltooth. looks like a great way to get it running a bit better. i have a Jardine exhaust on mine. Just got to find a place to buy one


I drag race too, 93 octane may not help you but there is never a reason to go with 87 octane. If you can't afford gas, you can't afford to race;)

If you checked out Buelltooth... they have a Jardine map, and it's free.
 
Yes Cooter man, I did ask, they suggested I run the exhaust valve open, when I didn't want to do that, they said I would have to run the stock tune with open loop.
I really like this Spec.ops muffler, it's sounds just right to my deaf ears but I could do without the decel popping, which I'm working on. There are write-ups of people using the Buell race tune for xb12 SS with the spec.ops muffler. Buelltooth did send me a race tune but I haven't tried it yet since I'm going with their recommendations first. It's really going to be a time problem now since, I've managed to lose all of my keys to all the bikes and vehicles, sucks getting old !
 
Interesting thoughts on the fuel cooter. Im no fuel expert to say the least. but changing down to 91 did reduce the back firing. but the AFR needs to be tweaked , Will the Buelltooth be able to get this done and does running in a hotter climate effect it much ?
 
Hey i recently got the Buell tooth and downloaded the file for XB with RT1 jardine and k&N filter off ECMdroid tutorials .. easy to do and took away all of the back popping . Bike Runs good .
 

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