[Vwdiesel] RE: Interesting GP Note (fwd)Val Christian val at swamps.roc.ny.us
Wed Feb 9 10:04:00 EST 2005
Here's a reply from my youngest brother. Forwarded message: > To: "Val Christian" <val at swamps.roc.ny.us> > > Val, > > I thought the lack of grease was to prevent carbonization of the > glowplug thread (heating grease at high temp and making carbon atoms) > which would form an abrasive in the thread. Nickel plating shouldn't > react with the grease, and neither will aluminum (unless the grease is > acidic, which it could be), but since nickel and aluminum slide pretty > well, there is no risk of seizure (unlike, say, iron to iron). > > -Noah > > > Does anyone understand the mechanics and chemistry of nickel plating=20 > > in an Al cylinder head?
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