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You don't need to buy a metering block. Just stick with what you've got. If you go and buy a new BG carb you'll have to tune that too. Don't drill anything yet.
Turn the secondary metering screws in until they are 1/2 turn from lightly seated and then leave them. Work on the primaries as suggested earlier. Good luck.
Frank
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FFR - V8, Manual Trans, PS, Inop Wipers, No Radio, Gas Mileage so-so
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