I know that there is a good, rugged, reliable, Borescope Camera out there at a reasonable price (say less than $100, this should be possible, consider the high resolution cameras on less expensive cell phones). I have looked at lots of photos of cylinder wall and valve face condition. Every time I pull my plugs I wish that I could go in and have a look around. I read the recent Mike Busch article from AOPA about engine condition and it re-enforces the value of a borescope inspection.
Ok if it is USB or Blue Tooth to be viewed on my lap top. Needs to be color to interpret valve heat color/pattern conditions. Needs good resolution to inspect cylinder wall conditions. Hopefully has its own light source or a light that can be inserted through other SP hole.
I have figured out, without wasting money, that the Harbor Freight version of a flex borescope will just not do the job of getting through the SP hole and bending around to look at the valves. In any case, I have my doubts that a fiberoptic bundle device like that will have sufficient resolution for the job. I hear about cheapy dental cameras that might work but have no idea which one is best or if this is best or if they are at all rugged.
What kind of luck have folks had on this problem and at what price? Nothing shows up in our archives under Borescope.