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Old 07-16-2006, 06:13 PM
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jmarsey jmarsey is offline
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Duane's 428 is very similar and I think he's running an 830HP with #84's square. I'm not sure. He is pretty savvy with FE carb jetting. My gut feeling is you need to jet up and get this right asap. You can find him here at CC as "decooney".

Good luck, John
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