oil on sparkplugs? is this normal

[krustindumm]

Originally Posted by NIK90s13

If the valve guide seals are bad. They leak oil into the combustion chamber. This will burn and cause smoke out of the exaust. If it's bad enough it can foul the plugs and/or leave oil in the chamber.

If that were the case he'd be asking about a smoke cloud, at least on startup, and hard starting. Maybe even a miss or detonation (since oil will foul plugs and lowers octane).