Question about 1982 Ford F 150

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Hi. I started a dialogue with two guys earlier today, and a helpful person erased all the e-mail he didn't recognize, including theirs! I have a 1982 Ford F-150 with a 351 c.i. engine and an extended cab. It has only 20,000 miles on it. My question is: At about 70 mph on level pavement with no load, is 3000 rpm normal? (It seemed high to me) The guys wrote back and asked me what kind of transmission I had. I said it was an automatic with the PRND21 selection and , I think no overdrive. I also told them that it had an extra "wheel shift" stick on the hump, giving the options 2H, 4H, N, 4L. I regret I can't remember their names...somebody and Chris? Anyway, Thanks!

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You have a F150 4 wheel drive 1/2 ton truck with no over drive. You should be driving in 2H. 2H is 2 wheel drive high gear. And 3,000 RPM is not bad.
(1) You can get a after market over drive.
(2) You can change the gearing in the front and rear ends to higher gears.
(3) If you don't have locking you can change to locking hubs. If you do have locking hubs make sure they are unlocked.
All of these thing will help to lower your RPM and increase MPG.

Posted on Jun 04, 2010


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