Fuel pressure constant?

zumwoll

5/27/059:32 PM

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zumwoll

5/27/059:32 PM

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zumwoll

Duh... HIt return before I described the issue. WHile I know the FP is spozed to be 4 lbs, my glass fuel filter is sometimes full and other times it is only 1/4 full and the pump works hard to get get more gas into it. Is this normal? My experience is limited to high pressure systems so this mystifies me.
Also, while tuning the carbs, when I \adjust the linkage so they idle perfectly and leave the carb stop at exactly the same time, at lo RPM I get some popping an d misfire. I am thinking this is indicative of a partially blocked mid rangeg jet, yes? It idles great and flys at full throttle otherwise.

5/27/059:37 PM

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