I would and do. You want to prevent and unburned gasses from going
the other way in the case of a backfire, for instance. The PCV valve
closes if the pressure reverses.
Gerard
At 5:39 PM -0700 6/10/03, James Algar wrote:
>Since California no longer requires smog inspections for pre-1973 vehicles,
>my '69 Sprite is no longer wearing its air pump, check valve, gulp valve,
>etc. Hasn't for quite some time, actually (like...well, a lot of years). My
>memory tells me there was a PCV valve in there, too, sitting on an intake
>manifold fitting that was a T, with an air hose from the gulp valve so that
>air would be dumped/pumped into the manifold on the overrun. That fitting is
>gone, blanked off, tossed with all the rest of the smog stuff. My question
>is, should I be running a PCV valve? The only crankcase ventilation still in
>place is a hose off the timing cover can, which runs to a black plastic
>T-fitting which splits and runs to the carburetor bodies, just under the
>dashpots, before the butterflies. This, I think, is original. So...should I
>find and re-install a PCV valve on a (non-T) fitting back into the blanked
>off manifold port?
>
>Jim Algar
--
One meets his destiny often in the road he takes to avoid it.
~French Proverb
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