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For those who have had the patience to follow my low power
saga, I have good and bad news.
The good news is the problem was finally identified today,
with the guidance and advice (via e mail) of John Cooper (Skyport) (Thanks
John!)
It's a broken cam follower (lifter body) for the intake valve
of cylinder 1. That caused the intake valve for cylinder 1 to open much
less that required, causing low power and the rest of the
symptoms.
The bad news is that to replace the cam follower, I need to
split the crankcase. My A&P / IA insists on doing at the very least a bottom
overhaul, since we are opening the crankcase. Given the hours of my engine
(between 1500 - 1600 SMOH) I know he is right, but I dread the cost, the
downtime, and the possibility that something else goes wrong, after all the
expense and downtime.
So I guess I won't be flying for at least a couple of months.
Funding this bottom overhaul will also be a challenge.
We already pulled the engine out of the plane and it's sitting
on a cart.
I hope that sharing this experience has
added something to the knowledge base of the group.
Thanks to all of you for bearing with me, and for all the
advice. I have learned a lot from all of you.
Best regards
Eliacim
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