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 Carbon Buildup Issue

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Posts : 353
Join date : 2011-02-27

PostSubject: Carbon Buildup Issue   Sun May 22, 2011 7:47 am

A set of intake titanium intake valves with less than 4000 miles on them -

Close up of a couple of the worst ones -

And the head, which was not really that bad -

Yamaha makes a fuel additive ("Ring Free") that prevents this from happening. It can also be used in a higher dose to remove it.

My wife has a Ford Windstar that has 130,000 miles on it - knocked and pinged all the time, even with premium - first dose of Ring Free eliminated the knocking and pinging.

When using the higher dose, you are supposed to change the oil/filter and spark plugs.

I'll change the oil on the Windstar, those rear plugs are "well placed". Rolling Eyes

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