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Reply to "Optimal Timing?"

Hey Coz,
I bought my carb new from Jerry @ PI just 2 or 3 months ago. Mine is stamped 3310-10 on the choke horn. Oddly enough mine does not a have a choke plate.
The Stock Jetting for this carb should be a 72 primary jet and a 21-Plate secondary jet (which is equivalent to a 75 jet).
I don't think that Holley or PI changed the stock jets and I didn't open the carb up to check before installing.
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