06-03-2008, 10:12 AM
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Senior Club Cobra Member
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Join Date: Jan 1999
Location: MARKSVILLE,LA.,,
Posts: 3,235
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Not Ranked
I have a 351-W, about 350 flywheel hp in a 65 Fastback with a Tremec 5 speed and 3.25 rear gears....Holley 600 double pumper, Eldelbrock daul plane intake.....
Cruising on the interstate @ 75 mph (2000rpms), I get 23 mpg, never checked it around town..........last trip to Florida, I put a little over 750 miles for the round trip and averaged 22.3 for the trip.....
I think your mileage is a little low, don't care for your carb either........with your set-up, I would expect in the 18-20 mpg range for highway cruising........
David
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DAVID GAGNARD
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