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08-26-2012, 04:56 PM
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Registered User
Join Date: Jun 2012
Location: Rathdrum, Idaho
Posts: 305
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Horrible mileage
Hey guys! First off I'm not looking for 25mpg here. I'd be happy to hit the teens!
I think I am getting about 7 to 8 mpg (my speedometer is broken so I'm not positive). Here is my set up: 1966 C20 stock 292 Recently installed 700r4 (professionaly installed TV cable) 4 barrell Holley 390 cfm Clifford intake Long tube headers Electric choke (works fine) Howling stock rear end HEI distributor (Full 12V power and 8mm wires, vacuum advance NOT hooked up) 32" tires Regular gas The truck sputters and hesitates when cold and is generally gutless on the freeway. I have a new 3.73 posi rearend i am cleaning up for it. Any ideas? Thanks as always 
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