Technical How Old Are These Buggers

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Technical How Old Are These Buggers

somesickjoke

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just got round to changing my plugs, apparently they had been changed with last service cough be cough hahaha anyway how old do you think they are. Also they smell of coffee and I've noticed the brown rings isn't that compression leakage. tIA
 

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I doubt they 've been replaced at last servicing unless it happend 10 years ago, I also doubt about the combustion blow-by and engine idling for long / geting wet but have no better proposal :-(
Otherwise despite the BIG gap, the electrode colour seems pretty nice, was your engine running ok ?

Regards, Bernie
 
Looks like a bit of rust on those plugs, was the car idle for a while or did the engine get wet at some stage?
Yeah there are two periods in the last 8 years where it wasn't on the road well says mot checker.
 
I doubt they 've been replaced at last servicing unless it happend 10 years ago, I also doubt about the combustion blow-by and engine idling for long / geting wet but have no better proposal :-(
Otherwise despite the BIG gap, the electrode colour seems pretty nice, was your engine running ok ?

Regards, Bernie

Not really idling was shocking tbh lots of judders when idle.
 
I would say that blow by is a non runner as well, There would be a lot more marking if so also it would be very unusual to have it in all 4 cylinders.I have an old engine sitting outside and I took the plugs out recently to bore scope it and they looked very like this. some water had leaked onto plugs and rusted them.It only takes a few cc's of water to cause this.
 
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