Gary,
I have my (three) bypass valves blocked off with no apparent ill effects.
Richard Good
Good Parts
Gary Fluke wrote:
> Listers,
>
> Now I have discovered that each of the bypass valves on my Z-S carbs have been
> blocked off by the placing of a solid gasket between the valve and the carb
> body. The rebuild instructions say the valves are there to stop exhaust
> popping when backing off the throttle at high RPM. I don't recall any
> popping. Does anyone have thoughts, pro or con, about blocking off the
> valve?
>
> Gary
> '73
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