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Borescope rec.

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Need a recommendation on a cheap borescope before I go buy the cheapest one on amazon. 


Even if if you can’t recommend one, if you can say “not this one: ______“ that would be super helpful too!


I intend to use it to peek in through the spark plug holes to check for damage and also to look at other internal engine things. 

Edited by enginerd
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I have been pleasantly surprised at how well the cheap $20 USB scopes work with a phone.  I got this one a few years ago




They even sell the right angle mirrors separately:




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Not sure if you were talking cheap engine diagnostic borescope or the even cheaper usb camera borescopes, which is what I have.


I have this one and have used it to peak at top of piston and cylinder walls via spark plug hole.   https://www.amazon.com/gp/product/B00JERRES6/ref=oh_aui_search_asin_title?ie=UTF8&psc=1


The image quality is ok, the biggest issue is it is not like a typical diagnostic borescope that is a bit easier to manipulate.  I think you could likely attach it to something more rigid that would allow manipulation, but I was always a little hesitant as I didn't want to get the "head" trapped or wedged on the wrong side of spark plug hole.


here are some images I was able to capture with it






Edited by tneker
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