highway rpm's
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highway rpm's
I have an 87 f150 with a 3 speed transmission. I've been doing some searches on this site and it seems my rpm is much higher than it should be. Its about 2600 at 55 mph. Can anyone tell me if this is about right, and is it hurting my engine?
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From: Eldorado Ca. USA
Originally Posted by Peach
I have an 87 f150 with a 3 speed transmission. I've been doing some searches on this site and it seems my rpm is much higher than it should be. Its about 2600 at 55 mph. Can anyone tell me if this is about right, and is it hurting my engine?
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From: Catskill, NY
I have the opposite problem.. with the combination of tall tires, and 3.55 gears, I don't hit 2000 rpm in fifth gear until I am going 63 mph... that in conjunction with a barely adequate 5.0 engine with little low rpm torque and the heavy chassis of the f-250, makes 5th gear useless for 95% of the driving I do... 4.10's would set me up nicely...
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From: Roland, Ar
I have a '89 F150 302 w/5sp and at 70mph engine RPM's is 2500 and MPG is around 12 {sucks gas}
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From: Roland, Ar
Originally Posted by alabamabuddog
F150"89 that seems a little low. I have 3:55 geard. Whats yours.
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