What does white buildup on the back of exhaust valves signify?

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01-28-2005, 05:57 AM

#11

~~ModifiedA4~~

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i dunno what to say about that

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01-29-2005, 09:49 PM

#12

TomRitt (Homebrewed)

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Took off the manifold, they are now black, geuss it all depends on the fuel

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01-30-2005, 07:18 AM

#13

~~ModifiedA4~~

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maybe its because you were running really rich.

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01-30-2005, 08:43 AM

#14

TomRitt (Homebrewed)

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I was running really rich last time I took off the manifold too.

I realized last time I had 94oct from PA in before I took off the manifold and this time I had 93oct from NY in. Somebody on vwvortex said it only takes about 10miles of a gas w/ different additives for the color to change.

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01-30-2005, 10:58 AM

#15

~~ModifiedA4~~

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interesting...

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