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- Dec 16, 2021
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- Abbotsford, British Columbia, Canada
Got a cheapie borescope to peek around with and took a gander inside a couple spark plug holes.
Wondered what the guru's think about the tops of my cylinder walls and what causes that. Is it normal? Leaky valves? Just curious.
'78 motorhome 440, bottom end was "refreshed" by the PO (needed a new crank), 452 iron heads. This streaky buildup is only at the top of the bores in the couple cylinders I peeked in, but I haven't looked in them all yet.
Thanks in advance.
Wondered what the guru's think about the tops of my cylinder walls and what causes that. Is it normal? Leaky valves? Just curious.
'78 motorhome 440, bottom end was "refreshed" by the PO (needed a new crank), 452 iron heads. This streaky buildup is only at the top of the bores in the couple cylinders I peeked in, but I haven't looked in them all yet.
Thanks in advance.