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Old 04-19-2007, 05:23 PM
White Warrior White Warrior is offline
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Join Date: Oct 2001
Location: Downers Grove,Il
Posts: 393
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It's too bad Edelbrock doesn't offer air valves with different weight counterweight air valves to solve that problem. The 625 cfm AFB on my 299" 63 avanti transitions just fine and the carb is bone stock.