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Re: [T3] Lead-free fuel



Subject: Re: [T3] Lead-free fuel


> > area thicker by going to a 3/4" SP thread should be a big help and
> > is something that I've heard of several suppliers doing, but I've never
> > seen one. If you also make the valves smaller that helps a lot also,
> > but also cuts down on the engine's breathing. Considering that
> > most of the sales for this kind of head are to the high performance
> > crowd, this seems like a counterproductive way to go.
>
> If these are factory heads for the Mexican Beetle, it seems the sensible
way
> to go!
>
The old VW mechanic that I work with, used to service a "Zambonii" at the
local Ice Arena. It has a 1500cc single port type 1 engine running on
propane. That is about as lead free as you can get. He had to grind the
valves about twice a year until VW came out with the harder valve seats for
the unleaded gas. Then the problem went away. He said that it would wear the
seats, and after grinding the valves the second time, he would have to
replace the heads.

Russ Wolfe
russw@classicvw.org
http://www.classicvw.org/


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