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Steven W. Boese wrote:
Ernest,
It is good that the inconsistencies I noted in your data can be explained by the limitations of the tests themselves. That makes it much less likely that there might be problems with the rest of the fuel system. I hope that my remarks weren’t taken as overly critical or negative. That certainly was not my intent.
Pfft!! If you see an inconsistency, point it out. I probably missed it, and there'd be a hidden demon somewhere. You guys will forgive me for doing something stupid, and help me figure it out. Mother Nature will bring down The Law According to Newton, and kill me for my stupidity.
I will run the tests again later, once I have a better experimental setup and I have a better handle on the software. I'm curious to know exactly how accurately I can pin down the characteristics with this method.
One other issue I noticed. The ECU gives a clearing pulse when you turn it on. The idea is to provide a way to clear the lines in a hot engine bay. I don't think the authors would have ignored this, but I might not have that feature turned off. I'll have to investigate it further.
As you stated, the “turn on time” that you got from the reproducible tests is very reasonable. It agrees with values I’ve measured and with values I’ve seen reported elsewhere. Demonstrating the good match of your injectors is also very useful.
It’s my opinion that the time and effort you are putting into these tests is very worthwhile in terms of understanding your system. The fact that you are having fun doing it is even better.
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