I also have a 76 Federal 1500. Essentially if it's a single carb its the
Zenith. SU's always came in pairs. Also manual choke is correct for the
year. Don't worry about which kit. Usually there is only one kit for
Zenith's and they include parts for all the versions, so you will have
some parts left over. Just takes a bit to sort the parts out and then
identify then as you replace them.
Also take the old filter to the store and the adapter if it has one.
Make sure you note which side of the adapter goes into the filter and
heck it matches the thread. The one that was supposed to be a
replacement for the one that was on and the normal one that I have seen
quoted on the list did not fit. Hopefully you'll be luckier than I was.
I think my adapter was not the usual one that is fitted.
Alan
'76 Spitfire
"M. E. Foster" wrote:
>
> Trevor Boicey wrote:
> >
> > CD-150 is correct. CD4 sounds like a typo. SU calls their carb
> > sizes with a single number, 4 means 1.5 inches. ZS uses the number
> > like 150 or 175 for 1.5 and 1.75 inches respectively.
> >
> > Sounds like somebody was "thinking" SU when they wrote that
> > line calling it a CD4.
> >
> > --
> > Trevor Boicey, P. Eng.
> > Ottawa, Canada, tboicey@brit.ca
> > ICQ #17432933 http://www.brit.ca/~tboicey/
> > "If tugboats were bigger, they could be the boats other boats tug" -
> > Ajax
>
> The "Illustrated Triumph Buyer's guide" says it's a CD4 in two different
> places. The "Hayne's Triumph Spitfire Automotive Repair Manual"
> has a section on rebuilding a CD4 complete with an exploded view. The
> carburetor itself has "CD" stamped on the top cover, but no other
> numbers or letters. Guess I can just order the rebuild kit and see
> if it's the right stuff.
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