Gen 4: 2011-2015 Dynotronics and Guhl ECU dyno test. Back-to-back. - Kawasaki ZX-10R.net
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post #1 of 15 Old 10-26-2011, 12:24 AM Thread Starter
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Dynotronics and Guhl ECU dyno test. Back-to-back.

Took my bike to Orient Express today. But before I went there I took apart my buddies 2011 ZX10 and pulled his Guhl flashed ECU and put in my backpack.
Short and simple, both ECUs made the same identical #'s maybe on a few different runs one might of put out 1HP then the other. The HP and torque curves were pretty much the same. Identical.
Both hit 6th gear limiter at 14,000.
Both ECU's run a little lean up top. We installed the PCV and fixed that on my Dynotronics flash.
So, whoever makes the claim that their flash will give you more HP or smoother power is full of shit. The dyno shows different. Both ECU's back-to-back on the same day on the same dyno showed no difference between the two.
Hit the search button on either company and make your own choice.

Good luck.
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post #2 of 15 Old 10-26-2011, 12:29 AM
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what exhaust are you running? I wonder if they can richen up the top end a little bit with the flash?
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post #3 of 15 Old 10-26-2011, 01:23 AM
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Thanks for doing the comparison
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post #4 of 15 Old 10-26-2011, 01:24 AM
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Thanks for taking time and money to do the comparo Knaks!
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post #5 of 15 Old 10-26-2011, 02:39 AM
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Thanks for doing the comparison


I'm glad you settled this whole thing, man. Good to hear.
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post #6 of 15 Old 10-26-2011, 09:30 AM
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nice results and thanks for spending the money on this information.... and we know Guhl Motors charges less that's who I went with.... and I am very happy with their service....

I've heard Dynotronics is good as well....

Don Guhl uses his own software (he is an amazing programmer and electrical engineer), Dynotronics and the other companies use Passani Engineering software, both will yield the same result... both very good

Guhl can also tune a fuel and ignition map via the ECU now.....

Last edited by bmacknyc1000; 10-26-2011 at 09:34 AM.
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post #7 of 15 Old 10-26-2011, 11:47 AM
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nice results and thanks for spending the money on this information.... and we know Guhl Motors charges less that's who I went with.... and I am very happy with their service....

I've heard Dynotronics is good as well....

Don Guhl uses his own software (he is an amazing programmer and electrical engineer), Dynotronics and the other companies use Passani Engineering software, both will yield the same result... both very good

Guhl can also tune a fuel and ignition map via the ECU now.....
and remove the the f-1 light so you can remove the servo motor.
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post #8 of 15 Old 10-26-2011, 12:59 PM
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If any of you talk to Joe, can you ask him if there is any progress on getting a replacement ECU for me? I can't get ahold of him.
Also, could Urban Legend please tell us if he had any issues with Dynotronics again?
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post #9 of 15 Old 10-26-2011, 01:08 PM
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Quote:
Originally Posted by Knaks View Post
Took my bike to Orient Express today. But before I went there I took apart my buddies 2011 ZX10 and pulled his Guhl flashed ECU and put in my backpack.
Short and simple, both ECUs made the same identical #'s maybe on a few different runs one might of put out 1HP then the other. The HP and torque curves were pretty much the same. Identical.
Both hit 6th gear limiter at 14,000.
Both ECU's run a little lean up top. We installed the PCV and fixed that on my Dynotronics flash.
So, whoever makes the claim that their flash will give you more HP or smoother power is full of shit. The dyno shows different. Both ECU's back-to-back on the same day on the same dyno showed no difference between the two.
Hit the search button on either company and make your own choice.

Good luck.
ECU testing - YouTube
Guess it all boils down to customer service now?
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post #10 of 15 Old 10-26-2011, 01:13 PM
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nice review
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