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Re: leaded versus unleaded
In message <36E6075E.834CE9C@nh.ultranet.com> Huw Powell writes:
> Good point. The rebuild on my F250 stopped me from having to worry
> about it, but I think if you have a leaded fuel vehicle here with the
> original head gear, you have to add "lead substitute" to unleaded to
> avoid burning up your valves.
Not to any Audi I know of - they all have alloy cylinder heads, and
therefore _must_ have steel valve seat inserts.
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