Did you all know this?

       Truth?

[Did you know that S.U stands for Skinners Union. The Skinners are the 
brothers who turned a family leather business into making very successful 
carburettors. The S.U carburettors have figured in a large number of vehicles 
from the 
beginning of this century to the early 1980's. The earliest S.U's had leather 
bellows instead of the piston to slow the rise of the air-flow....... Salman 
SHAMI ] 

Kirk 
59 Bugeye