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White stuff on spark plugs

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Sipheren

Post subject: White stuff on spark plugs

Posted: Sat Sep 08, 2012 11:30 am

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Hi Guys,

Just doing some maintenance on my car and decided to pull out one of the plugs too see what it was like.

Can anyone let me know what could be causing all the white stuff? From reading around it seems to be from detonation, so I guess I need to wind back my timing a little??

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Sipheren

Post subject: Re: White stuff on spark plugs

Posted: Tue Sep 18, 2012 3:16 pm

Tyre Shredder

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No ideas....

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TROYMAN

Post subject: Re: White stuff on spark plugs

Posted: Tue Sep 18, 2012 7:10 pm

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looks like to lean and detonation...

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Sipheren

Post subject: Re: White stuff on spark plugs

Posted: Tue Sep 18, 2012 7:50 pm

Tyre Shredder

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Ride: BA Ford Fairmont 5.4L

Location: Gold Coast
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So I would need to back off the timing? I had the timing set by my mechanic a while ago and I run 98RON through it.

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