04-22-2019, 03:51 PM
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CC Member
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Join Date: Apr 2009
Location: Little Rock area,
AR
Cobra Make, Engine: ERA Street Roadster #782 with 459 cu in FE KC engine, toploader, 3.31
Posts: 4,533
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OK - that covers a pretty normal range. Stock Holley jetting on 600 carbs was usually 66 or 67 on primary side. Mine had 66s in the 1850s but I put I 67 jets recently. I was curious if they might have gone the other way and smaller than 66 jets.
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