September 18th, 2011, 06:42 PM
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#139
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ninjette.org guru
Name: David
Location: Lafayette, CA
Join Date: May 2010
Motorcycle(s): 2009 Ninja 250R, 2013 Ninja 300
Posts: 279
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Quote:
Originally Posted by greg737
It's good to hear that you've got your hands on an OEM throttlebody. It's a great way to start your project.
I'm pretty thrilled that my estimate was that close (210 vs 200cc/min) to the actual flow rate of these injectors (if the pro test was at 42psi, that is). I didn't have a professional test done, instead I did the "garage estimate" where you put the ECU into a test mode that continuously fires the injectors (into a container) while I timed the event then measured the resulting amount of gas in the container, followed by a little math which is always a dangerous proposition when I'm involved.
What was the PSI that your test was run at? It makes a difference. My FI system runs at 42 psi so that's also the psi that I ran my injector flow rate test at.
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Hi Greg,
The test was done at 43PSI.
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