Why no secondary PV?
The 5.5 is the vacuum point it opens up.
If you never get to 5.5 it will stay closed.
What is the vacuum reading at wide open throttle?
The primary looks really lean as it is. The 77 isn't bad except with no PV in secondary I'd think that would be bigger.
I'd put a 6.5 rated PV in both sides and see what it does. Then maybe richen jets up some?
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John Wallace - johnta1
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