Hi Wayne,
I don't know the exact number for the PCV. Any valve from a similar
displacement engine should work if it has suitable fittings. The spring
in the valve should overcome differences in mounting position.
You definitely need an intentional source for vent air intake. Older
engine gaskets are not designed to withstand high internal vacuums.
Regards,
Dave Russell
BN2
WAS wrote:
> Hi,
>
> I want to install a PCV valve in my 3000 and would like to know the
> part number valve others are using. My local parts store can not get the
> CV 727C valve Norm Nock mentions in his book. I know most PCV valves are
> mounted vertically and the weight of the plunger affects at what vacuum
> they open. How have other owners mounted the valve, Norm is his book
> shows it installed horizontally? Are there enough air leaks for fresh
> air to enter the engine to scavenge the fumes out. Most newer engines
> have a source of filtered air so the vacuum created by the PCV valve
> will cause filtered air to be pulled in as the fumes are pulled out by
> the PCV valve. I thought the PCV valve install would be a fun Winter
> project that might help keep some crud out of my engine.
>
>
> Regards
> Wayne
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