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1700 Hours

petehowell

Well Known Member
Just completed the 1700 hr oil change with compression check and borescope pics of the exhaust valves. - Thanks to Alex P for letting me try out his new scope!

Oil filter media and screen were examined and were clean

Compression check with cold cylinders

Cylinder 1 79/80
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Cylinder 2 76/80
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Cylinder 3 78/80
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Cylinder 4 78/80
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I run 80-90% mogas and almost always LOP. The #1 Exahaust valve was replaced 100hrs ago.


This unit leaks a lot of hot air......
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Wow, those look clean as a whistle.

Suggestion to moderators:
A decent borescope is now very affordable and many of us have one now. What do you think of starting a sticky: "Show Me Your Exhaust Valves" so we can accumulate a good mass of these pictures in one place and compare our own to everyone else's just like we do for instrument panels etc. Good idea?

Erich
 
Nice photos, what are the details of your scope?

Vividia Ablescope VA-400 USB Rigid Borescope Endoscope with 180 Degree Articulating 8.5mm Diameter Probe

Pete took all my fun away of being the first to use it for scoping valves... I learned of this scope from a thread on VAF a while back, don't recall whom to credit though...
 
1700 hrs

Very impressive! I generally limit my oil changes to 30-40 hrs.

Seriously, those are some clean valves!! The ones with pics that link properly.
 
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