ZS carb question

[j.moorse@att.net]

Hi!  I'm new to this list and have a question about a 
carb rebuild.  I've had my 1974 Spitfire 1500 for 23 
years and am overhauling the carb, a cdse, for the first 
time since the 80s.  The bypass valve gasket that was on 
the carb had 2 seperate holes for the center ports in 
the valve.  The new one has the 2 holes connected in one 
dog-bone shaped hole.  Which one should I use?  The old 
one looks serviceable if I need it.

Thanks,

Jeff Moorse
Hurst, TX