I take it you mean Zenith Stromberg. What carbs are you dealing with? I just
spent much research and time analyzing zenith needle charts to come up with
something for the cd150s in my GT6 racers as it was starving for fuel. First
race event starts Thursday so i can get right down to fine tuning. The needle
I chose made a big difference in the brief test run I did last week.
My set up is fairly mild with a fast road cam 290 duration and about 10:1
compression with better breathing intake and exhaust.
I'll send you the charts and the little spread sheet I set up that compares
needle profiles if you want it.
Sent from my iPhone
On 2012-08-28, at 7:37 PM, "Larry Young" <cartravel@pobox.com> wrote:
> Is there an electronic copy of the Z-S needle specs available? I know they
are tabulated in the Haynes manual, but an electronic copy would be more
useful. I also understand that SU needles can be used in Z-S carbs. I'm
looking for something similar to the SU needle information on the web, so I
don't have to type a bunch of numbers into the computer. I'll use SU needles
if necessary, but would like to see (in an easy to compare form) what is
available for the Z-S carbs.
> Thanks,
> Larry
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