On Cessna Pilots Assoc. there's a discussion about New Video scope for your engine -to see the valves and how there doing . There's a note in the body about go to AOPA -Anatomy of a valve failure with some interesting pictures of how healthy your valves are. I bought a Portable inspection scope ($149 bucks from Amazon) that plugs into my phone or laptop .Works good and I scoped out one of my engines -all cylinders were good with #5 being closest to pull -this is the lowest compressing of the lot. Thinking I'll pull them all for a top -after 1800 hours SMOH my self and getting them done. Aircraft Cylinder Repair is in Las Vegas and has done some good work for me in past.

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On Cessna Pilots Assoc. there's a discussion about New Video scope for your engine -to see the valves and how there doing

I am not a member of CPA and I think you need membership for full site access.

I googled and came up with the following re scoping for potential valve failures. Not sure they are the ones you mentioned? Do you maybe have a link that is available for non members on the CPA website. Thanks

http://www.aopa.org/News-and-Video/All-News/2014/September/Pilot/pe_aande

http://www.aopa.org/News-and-Video/All-News/2014/July/08/Savvy

Denali wrote:

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On Cessna Pilots Assoc. there's a discussion about New Video scope for your engine -to see the valves and how there doing

I am not a member of CPA and I think you need membership for full site access.

I googled and came up with the following re scoping for potential valve failures. Not sure they are the ones you mentioned? Do you maybe have a link that is available for non members on the CPA website. Thanks

http://www.aopa.org/News-and-Video/All-News/2014/September/Pilot/pe_aande

http://www.aopa.org/News-and-Video/All-News/2014/July/08/Savvy

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Go to Amazon. Com and search for ViVidin Able scope VA -400 USB