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I haven't figured out the engine mis yet, but it
may be somehow related to the fact that the intake manifold pressure is all over
the place. With the top cowl off, at 3200 rpm I am getting a range of
12.6 to 13.7. With the top of the cowl back on, it's a little
higher. Can't remember exactly. I got thinking about this and
figured that there is a manifold leak. I did pressure test it and fixed
all the minor ones before I cranked it over the first time. Then I
remembered that some people had to put dampners in the line to damper what I
think are pulsations from the prop. My throttle body is only 4 inches from
the prop. Couldn't find anything in the archives about this, so picked up
2 Brigs and straton aftermarket fuel filters to see if this will do the job by
putting them in the MAP line to the EC-2. I'll try them out this
weekend. I'm fixing the obvious stuff first and then moving to the
difficult stuff. All plugs firing well in mode 8. Still getting the
mis at all RPMs. I will see what happens after the dampners. Anyone
have any other suggestions out there? Also, I am getting a fair
amount of blowby out of the crank case breather tube at 4500rpm. What
are others doing about this. Again, nothing in the
archives.
Don Walker
RV-Renesis
N113BR
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