I use a borrowed borescope when inspecting the tubes on water chillers. Would at least let you see the cylinder walls without tearing it down.
Thought I had seen a handheld one on sale, maybe HF?
I think Kirmit77 might have a spare set of pistons & cylinders as well.
Thought I had seen a handheld one on sale, maybe HF?
I think Kirmit77 might have a spare set of pistons & cylinders as well.
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