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1900 Hour Borescope

petehowell

Well Known Member
1900 hour Exhaust Valve Pics with the sub $10 camera on a piece of bent wire. Pics are not great, but they do the job:

#1 77/80 psi

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#2 78/80

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#3 76/80

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#4 77/80

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Dumb question

What are you looking for? Excessive deposits or crusted on lead or carbon?

I just tore down my 2500 hr engine and the only sign off observable ware is a ring at the base of the cylinder you can feel with your fingers. Otherwise my cylinders look like that when you take the piston out.
 
Camera type?

What brand/model of camera did you use?

Thanks,
Wayne. N1179J
RV-9a (purchased flying)
Dues paid 2017
 
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