Posted by Mark F. on May 12, 2001 at 22:07:05:
In Reply to: Burr under my... posted by Steve Dedman on May 12, 2001 at 21:37:07:
No, my 4th valve is mighty open. all piggies I have played are very open down there. check for valve alignment, dents(the 4th valve tubing absorbs a lot of damage back there, I made a guard for mine) and globs of solder at the joints.