Thread: Stubborn Zenith
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Old 11-06-2019, 10:27 AM   #19
katy
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Default Re: Stubborn Zenith

Quote:
Another known good carb acts almost identical to this one which with the absence of a manifold leak would tend to point to valves.
Have you done a compression test and a leak down test? A bad valve will cause a poor idle but will be masked at speed.
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