[TR] pcv valve tr3 t4

[FGFO1 at aol.com]

Because of my home made Toyota transmission conversion, I am finding it 
easier to convert the motor to a closed system. I also like the idea better 
than the vent tube.
I have an inlet manifold from what I think is a TR4. It has a valve set 
into the bridge between the 2 carb mounting brackets. I think it may be moss 
part #397-680. its a one way valve, so it will let gas into the manifold but 
it wont let any back to the motor.
Does this constitute a PCV valve?
What else does the big assembly do (moss 360-630) that this little valve 
does not?
Oh yes, I do have the rocker box to match.
 
frank fisher
 
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