Posted by Steve Dedman on April 07, 2002 at 18:04:20:
In Reply to: Venting Rotary Valves posted by Justin Beish on April 07, 2002 at 15:31:48:
Since it involves drilling a hole in your valve casing, I would suggest letting someone with experience and more than a couple of attempts under their belt do the venting. I wouldn't do it myself.
YMMV
SD