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Discussion Starter #1 (Edited)
I am writing this to review my experience doing business with Joe at Dynotronics. I was intending on waiting until I got my 2nd ECU back, but unfortunately, I don't know if that'll happen. Don't worry, I'll explain. This goes back seven months, so I am going to try and make it short.

I have been a ZX10R.net member for a while. I have a couple Gen 4's. One for street, and one I've been building to race at Jennings. In the process I have attained a ton of knowledge from this site and its members, and truly appreciate every bit. After finding out about reflashing and reading about everyones positive comments and results, I wanted to reflash mine and have them both perform at their peak.

On October 11th 2011, I made my payment for two ECU's to be reflashed by Dynotronics. When I got them back, one worked fine and the other was giving me FI and Coolant warning lights. I ran the diagnostic and came up with the service code: (2d). I looked it up in the service manual and it was described as: (Air Intake Soleniod Valve Malfunction, wiring open or short). I read elsewhere in the book that this device is only on Euro models. I thought maybe it was flashed for a Euro spec bike. I asked Joe about it and he said "No, it was probably damaged by a voltage spike during the reflash process". To know for sure if it was the ECU or the bike, I swapped them, and sure enough the warning lights came on on the other bike. So I sent the damaged ECU back to Dynotronics, they held it for a while, sent it to Italy, and about 8 or 9 weeks later i get it back. It has the exact same issue. Joe said he'll replace it with a new (and reflashed) ECU. Then I can send him the damaged one and he would use it for a track bike.. or whatever.
Well, it's been over seven months and still no replacement. On top of this, when I have got in touch with Joe about it, he acts like I am bothering him. I'm met with nothing but excuses, blame passing, and "I'll get back to ya". He never returns any calls, messages or emails. He has been completely unprofessional and disrespectful during the entire process, taking no responsibility at all. It's like he want's me to forget about this and just disappear.. Well that's never going to happen.
As I've talked with him about me building this bike to track race at Jennings, and being a member of ZX10R.net, I cannot believe the level of disregard and neglect I have received from him.
I am only hoping to finally resolve this matter somehow. Until now, I have only tried to deal with Joe outside of ZX10R.net through phone and email to correct this. He is now completely avoiding me, and I am now left with a review on my experience in hopes that it'll change something for the better. Now I am reaching out to the ZX10R.net community in hopes that you can help me with this. I am just about out of options.

Thank you in advance for any help.
 

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That sucks man. I hope you get this resolved.

Guhl did mine ,and I could not be happier.
 

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Discussion Starter #4
Thanks bro, I appreciate that. I really wish I would've went with Guhl Motors. At the time, i was actually on the fence over which one. I was reading about Garth's great experience with Guhl too. Think there were just more current comments on Dynotronics then, but I didn't see anything negative on either. Looks like I just made the wrong choice.
 

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Sorry to hear man, I have heard so many bad things about them and only good things from Guhl with the exception of someone who said guhl did something wrong but it looked like a keyboard rider and never had any truth in it.

Dynotronics should stay away from flashing ECU's if they cant do it right.

Guhl on the other hand is HANDS down the best choice for ECU flashing on the kawasaki's. He has a sterling track record and is CONSTANTLY messing with the ecu's to unlock more and more features.

Sorry to hear once again.
 

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What about ecuunleashed? They were mentioned in a motorcycle article "2012 literbikes comparison" or something to that affect. Anyone heard good or bad?


Sent from my Motorcycle iPad app
 

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From what I understand Guhl is the only one who actually reprograms the ECU, and Dynotronics just uploads a Euro spec map with mixed results. That must be why your ECU thinks its missing something the bike never had. Bummer deal.
 

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Maybe we should all make an attempt once a week, to call and harass the fuck out of him? Not the grown up thing to do, but fuck it, it's fun once in awhile...
 

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Formerly "TundraKaw"
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I had my ECU flashed by Dynotronics with no issues, and the bike runs like a damn beast...but I've heard so many damn horror stories about him now that I doubt I would ever send my ECU back. I believe if I needed another re-flash or a tweak to the flash, I'd just pay Guhl for his services, the ONLY thing I've ever heard bad of Guhl is he is bad about not responding to emails...
Most of my decision between the two came from cheaper shipping overnight and back to Dynotronics vs Guhl, cause Dynotronics is way closer to me.
 

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Discussion Starter #11
Thank you guys for the support. Garth: I definitely want to send my new ECU (wherever i get it) to Guhl. Then I can compare the dyno's on each bike since they aren't too different. If the difference is huge I might want to do the other one as well. My local shop dyno tuned the ZX10 that was flashed with no ECU issues and only gained a few horses topping at 170 RWHP. I was a little disappointed with the numbers, but quite honestly the bike has plenty of power, and its distributed very smoothly, thanks to the fine dyno tuning.
-That is with: Dynotronics flashed ECU, Dynojet PCV, SFM, either Driven or Graves block off plates (honestly can't remember), Austin Racing GP2 slip on exhaust. Has a QS too but wasn't used on the dyno. I gotta say, I love the sound that GP2 makes! Very much a growler.

A quick shout to Yaman and Alberto at Cylcepro in Orlando Fl. for tuning my bike. Thank you!

They are honest with you and they do great work. Awesome people to do business with if anyone locally is looking for a good shop.
 

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Discussion Starter #12
From what I understand Guhl is the only one who actually reprograms the ECU, and Dynotronics just uploads a Euro spec map with mixed results. That must be why your ECU thinks its missing something the bike never had. Bummer deal.
Yeah, kinda thought the same thing initially, but it doesn't really explain the other one working just fine.
 

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Formerly "TundraKaw"
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What about ecuunleashed? They were mentioned in a motorcycle article "2012 literbikes comparison" or something to that affect. Anyone heard good or bad?


Sent from my Motorcycle iPad app
My friend used ECU Unleashed through Motomummy on his 2012 10R and was very pleased with them...no issues whatsoever.
 

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My friend used ECU Unleashed through Motomummy on his 2012 10R and was very pleased with them...no issues whatsoever.
Right on. I'll give them a call then and see what is what. I appreciate it. I'd like to hit up Guhl's but getting a response on email is proving difficult. Haven't had time to call yet.


Sent from my Motorcycle iPad app
 

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Discussion Starter #15
What about ecuunleashed? They were mentioned in a motorcycle article "2012 literbikes comparison" or something to that affect. Anyone heard good or bad?


Sent from my Motorcycle iPad app
Cyclepro recommended them too. It's an option, but I don't know anything about ECU Unleashed yet. So right now I am set on Guhl. I really feel like it should've been the first move to begin with.


-Thanks everyone for all the support!
 

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noted not to do business with this Joe guy, he is just ruining his business and reputation.

Good luck OP
 

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Personally, I think you should give a call directly to Piasini Engineering in italy and tell them your experience and hear what they have to say.
Second, place a formal report at your local consumer protection department to know your legal rights about this event.
Third, register on a bunch of forums and spread the issue. This will cost him much more than a new ECU.
 

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Don Guhl and his people made me feel like there Best customer-
I was going into this kinda hoping for the best and that my ECU would atleast return working properly. The bike is Amazing after the Flash! complete diffrent animal and Don was helpful all the way though. Got mines back put back in the mail same day it got there!
 
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