| Author | Message | ||
     Ccemn1 |
I'm new to Buell & have a 2004 XB12S. How come there's no Dynojey Power Commander available for my bike? Is the stock ECU re-programable? is there another company that makes a more precice method for tuning, besides the stock & race ECU's? Please help! I've gotten fantastic results on the Dyno, tuning other bikes with Power Commanders & it frustrates me that they make PC's for the "cruisers", but not the performance bikes?!? Thanks, CC (Message edited by ccemn1 on February 14, 2006) (Message edited by ccemn1 on February 14, 2006) | ||
| Blake |
http://www.badweatherbikers.com/buell/messages/3842/171527.html | ||
| Buellistic |
If you can't tune it "YOURSELF"(ie: map it) like a CARUBRETOR(jeting), just what good is it ??? (Message edited by buellistic on February 14, 2006) | ||
| Ccemn1 |
Exactly! I can't believe Dynojet? They make Power Commanders for the "cruiser" junk that Harley produces, why not for Harley's supposed "Performance" motorcycles? Just doesn't seem logical, or fair! | ||
| Blake |
You can make a PCIII work on an XB. The Direct Link is WAY better though. See link above.  | ||
| Ccemn1 |
I'm dyslexic & have trouble reading. Is this Directlink a "black box", like the PCIII, or is it just software that you install on your pc? Another problem: My PC is on the third floor, I don't own a PDA and the bike is two storys down in the garage. I've used PCIII's on my Suzuki & Aprilia and gotten near amazing results tuning on the Dyno. (See Pic) I was hoping I'd be able to do something similar with the Buell? | ||
| Ccemn1 |
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| Al_lighton |
Chris, Power commanders don't work as well on Buells as they do on other bikes, due to the closed loop/open loop interactions that are the basis of Buell ECMs that other ECMs don't have. They can be made to work, but have issues that folks have fought for a long time. But they were the only game in town until recently. Directlink lets you change the map inside your stock or race ECM, instead of intercepting the injector signals from the ECM and modifying them. It is a far superior way of doing it, especially for Buell ECMs. You must map it on a dyno for best results. On your closed competition vehicle, of course  No use explaining it in writing here if you're dyslexic, it's already written where Blake pointed and here: http://www.badweatherbikers.com/buell/messages/17143/162217.html?1139896061 If you want to talk to me about it, call me at the shop (American Sport Bike) Al | ||
| Ccemn1 |
Al, Thank you so very much! That's probably the greatest thing about this Internet; the vast ability of sharing Info with people of similar habits & hobbies. OK, I'm settling in to read this stuff, which will probably take the better part of the day, but can anyone suggest a good shop with a Dyno that would have the ability to do this, somewhere here in south west Florida? So far, it looks and sounds like this “Directlink” is software and like I explained, my PC is on the third floor and I have no Dyno, so I’m hoping to find a shop with a knowledgeable mechanic, able to accomplish this. Thanks again guys! I’m really at a loss here. Though 55 years old and having owned & raced over 30 bikes, this is my first experience with Harley & Buell. Thanks again, CC | ||
| Ccemn1 |
I probably should have mentioned that I plan on installing a Harley performance exhaust (The ceramic coated one with the dual outlets) a K & N filter and open air box kit. I was also wondering if there would be any benefit to adding the Buell Race ECM? Does it matter if you are doing a re-tune with Directlink?? Thanks again! | ||
| Al_lighton |
What we're seeing is that we can get the stock ECM tuned to the same performance as we can tune the Race ECM to. The Buell race exhaust is OK, but you may want to consider some other options that will give you not only better top end, but more importantly, better mid range. If you get the Buell race exhaust, just put a race ECM on it and be done with it, that ECM was already match tuned to that exhaust. But if you go with other options, that's when DirectLink really becomes valuable, because it lets you match the tuning to the intake/exhaust mods. In time, you'll have a tuning center with DirectLink within a couple hours of you max. There isn't a lot of market penetration into the Dynojet equipped tuning centers yet since the SW is brand new. But there will be. Al | ||
| Aeholton |
If you can't tune it "YOURSELF"(ie: map it) like a CARUBRETOR(jeting), just what good is it ??? LaFayette, I nominate you to get a dynojet and become the central FL tuning center for all us poor Buell XB owners. What do you say?  | ||
| Ccemn1 |
Al, Thanks again for all the Info! One more question though. I'm adding the Buell Race muffler I previously mentioned and also a K & N filter with open air-box. Will the Race ECM work with these Mods, or should I still seek out a Directlink? At some point in time, I'd still like to Directlink it, simply because I know how poor the mapping is on stock bikes and would like to "fine tune" it. One more thing: When I install the Race ECM, Is there anyway of resetting the TPS myself? I seem to be running into some resistance at Harley shops who want me to buy the ECM from them! (I just purchased one from American Sport Bike!) Thanks again, CC | ||
| Buellistic |
Aeholton: When "i" get one(XB12R), "i" will be sure to tell you all the tricks !!! | ||
| Al_lighton |
Chris, If you're running the Buell Race Pipe, the Race ECM is already pretty well matched to that pipe. I don't think you need to remap it, even with the open airbox kit. The compensation capabilities of the ECM are capable of handling the airbox change. That said, you do need to zero the TPS, and there is two paths to that. 1) Buy VDSTS, which gives you TPS reset, AFV reset, DTC (trouble code) display and reset, test modes (injectors, fuel pump, etc), and full metering/diagnostic displays. It is $195, and for now it runs on both a PDA and a PC. See http://www.americansportbike.com/shop/cgi-bin/cp-app.cgi?usr=51F745099&rnd=10451 95&rrc=N&affl=&cip=71.136.91.145&act=&aff=&pg=prod&ref=9305&cat=&catstr= 2)You can get DirectLink and a key, and you can do remapping and TPS and AFV resets and limited metering capability. It's $348, see here: http://www.americansportbike.com/shop/cgi-bin/cp-app.cgi?usr=51F745099&rnd=43211 56&rrc=N&affl=&cip=71.136.91.145&act=&aff=&pg=prod&ref=9308&cat=&catstr=HOME DirectLink may be the better path if you think there is some additional hotrodding of the engine that you think you might be doing in the future. But it you think you'd be leaving it alone after the pipe and intake, I'd go VDSTS. Both can hook to both a bike AND a wideband O2 controller and can collect time correlated RPM, TP, and AF info. Sure is nice that there is a TPS reset solution now. Used to be, you HAD to take it to the dealer, no choice. Al | ||
| Aeholton |
Ccemn1- If you just need a one time TPS reset, I have the VDSTS and we could do it for free. However, you would have to ride up here to Palm Harbor. The VDSTS does not marry itself to the ECM like the DirectLink w/ key. PM me if you are interested. | ||
| Ccemn1 |
Aeholton, Thanks for the offer! I just tried to figure out how to PM you, but couldn't? I'm new to this stuff. I'm still waiting for my K & N, Exhaust system and Race ECM (All coming from different places!), but as soon as I have everything installed, I'll be in touch! I'm assuming I'll have to ride up to Palm Harbor before installing the new ECM? I know it's a simple "plug-in" task. And, Thanks again! | ||
| Aeholton |
Ccemn1, you have mail. | ||
| Odinbueller |
The reason the PCIII is not supported on the XB platform is directly due to the Adaptive Fuel Value feature of the DDFI system. You would spend all day tuning, and as soon as they ride 10 minutes in a different elevation, the map that was just created is useless, because the AFV changed the base map being sent by the ECM. Remember, the PCIII takes the current map coming from the ECM, adds or subtracts a percentage of fuel based on the tuning in its memory, and then sends a modified signal to the injectors. If Dynojet could come up with a reciprocating AFV feature on the PC, then Buell would be supported. Apparently Buells in general cost Dynojet quite a bit in support calls from authorized tuning centers. | ||
| M1combat |
They didn't know how to tune them me thinks. I used a PCIII on a 12 with a Force pipe successfully for over a year. Never had any trouble. Can't say as I like the Force pipe much, but the fueling was decent enough. If you're looking for perfection at all AFV values then sure... the DL is the only option. We of course didn't have that option before . The PCIII works fine on the street where you don't "need" that last .5% HP as the AFV adjusts and makes the percentage offset. It won't get very far off. Certainly not enough to be concerned about on a street bike. |
