Flat 8 Millage
11-15-2004, 04:39 PM
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Location: Crosby.Tx
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Flat 8 Millage
i am thinking of puting a flat 8 in my 90 ranger for nostagic? reasons and was wondering what kind of millage would I or should I get with a 5sp and fairly high rearend.
11-15-2004, 05:24 PM
Join Date: Oct 1999
Location: Kalispell, MT
Posts: 6,494
I get 15-16 mpg in my 48 stock setup. With the OD and you might do better.
11-16-2004, 02:33 AM
Join Date: Jun 2001
Location: Erie, pa
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The Flatmotor is better measured in "Smiles Per Gallon"
05-31-2005, 12:06 PM
Join Date: Jul 2002
Location: Moneta, VA
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My '51 V-8 overdrive used to get 20mpg. After a rebuild to stock specs, it only gets about 15, I guess the motor is tighter.
06-01-2005, 01:05 PM
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With my stock set-up, including 239 V8, Heavy Duty 3 speed transmission, and 4.86 rear end, I've done as well as 18 MPG
10-16-2005, 05:59 PM
Join Date: Jul 2002
Location: East Coast
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What a waste of a flathead...
12-07-2005, 12:14 AM
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our all stock 53 mercury with the 255 flathead with dual exht gets 20 mpg
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11-15-2004, 04:39 PM
