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Old 05-25-2006, 05:35 PM
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4tl8ford
4tl8ford is offline
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Join Date: Jun 2001
Location: Erie, pa
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Welcome to the FTE

The 390 CFM will be your best bet for a stock or slightly warmed over Flathead.
Your gas milage should be technically better with the 4bbl, of course this is effected by the foot-in-carb delight of a Flatty winding out.

PS have you stopped by the 48 - 60 Truck fourm? Great bunch of people.

Dick