Hi Scotty, longtime fan from New Zealand here!
I have a 93 Mitsubishi Galant 1.8 V6 24 valve. it has 265K kms.
Recently it has been smoking a little on cold start up ( blueish). Around town it is fine but after 10-15 mins of motorway driving at around 2K rpm it intermittently smokes (pinging with acceleration) If I floor it above 2.5k rpm smoke disappears. No loss of power it is burning some oil do you think it could be valve seals? Thanks for your help.

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ScottyKilmer
ScottyKilmer

Editor

old age, valve seals often do that, but also worn piston rings when bluish tint, as that's a bit of metal burning off too

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