I have taken the valve out before to free it up. I ground the welds with rotary file, pulled the flap off and removed the shaft to clean up the holes. I don't remember there being bushings, but my memory sometimes lets me down. Of course you need a welder to put it back together.


Grant
1950 Chevy 3100
1952 GMC 150 (In Pieces)
1968 Chevy K20
1966 Shovelhead
1978 BMW 100S