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Old 09-20-2010, 08:18 PM   #17
av8paul
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Join Date: May 2010
Location: Sagamore Beach, MA
Posts: 155
Default Re: Flathead Gas Mileage

Quote:
Originally Posted by Tom's36coupe View Post
Leadfoot Louie here! Just filled up today and I averaged 9mpg! Oops, guess I like to run it up to 4000rpms too many times? This week I will try to take it easy and see where the mileage goes. Running 54 jets with no pvs, but with 380 lift and 260 duration I don't think my car is going to be a MPG champ,,,,
I don't know what my mileage was, but I did a run to a show West of Boston on Saturday. I had my new/rebuilt 97's from Uncle Max on for the first time. It runs so good, I couldn't keep my foot out of the carbs. Every light required at least 3,000-3,500 RPM before I shifted to high. I used 3/4 of a tank (10 gallon tank) on the run up there. I filled up before I came home and drove with a little more sanity and used about 1/2 tank of gas. Guess a light foot pays.
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