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Old 04-19-2011, 03:21 PM   #3
Vic Piano
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Join Date: May 2010
Location: Odessa, FL
Posts: 7,611
Default Re: Flathead highway speeds

We have several Flatheads ranging in years from ’39 to ’53 and we drive all of them locally and on the highway. Depending on the way the Flathead is set up, the rear gear ratio, the tire size, etc., each one performs differently and each one will find and let you know its “sweet spot” at highway speed. Remember that most of these cars and trucks were not built with driving on super highways in mind however, that does not imply that they can’t. This past weekend we drove our ’39 CD down to Long Boat Key from Odessa, FL (Just 100 miles each way), half of the trip on I-75 where the slower traffic does a steady 70mph. For the most part we kept up with the slower traffic, even passed a few. The car mellows out at between 65 and 70 mph with a stock 221 c.i. Flathead and 3.78 rear.
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