Thanks, that gives me a good number of things to try at school on Monday. The distributor wobbles a bit also when you grab hold of it, and the clamp is tight. It may be very badly worn. Ron
Opportunity is missed by most people because it is dressed in overalls and looks like work. - Thomas Edison
1941 AL 3/4 ton 125-1/4 WB, bought by my Great Uncle Matt in 1942. Still in the family.