what RPM 's are you guys doing on the highway? - Ford Powerstroke Diesel Forum
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Old 05-31-2008, 11:45 AM
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what RPM 's are you guys doing on the highway?

I feel like my truck might be geared lower. At 70 mph I'm pulling aboyut 2100-2200 rpms, but it feels like i should be at about 1800 for that speed.
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Old 05-31-2008, 11:49 AM
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I am running 3.73's and at 70 im running around 2000
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Old 05-31-2008, 11:51 AM
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I'm 67-68 mph at 2000 rpm, I have 3.73
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Old 05-31-2008, 12:06 PM
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2 grand at 70 with the 3.73, im gonna guess you have the 3.73's but might have a little outta sync tach...its not problem.
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Old 05-31-2008, 12:08 PM
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Auto or 6sp, does it make a difference?

For me, I'm automatic.
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Old 05-31-2008, 12:16 PM
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4.10's and 64 mph @ 2000 rpm

Slick!
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Old 05-31-2008, 12:33 PM
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Quote:
Originally Posted by Yoslick View Post
4.10's and 64 mph @ 2000 rpm

Slick!
that is my setup as well.
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Old 05-31-2008, 01:55 PM
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4.10s 80mph at 2200-2300
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Old 05-31-2008, 02:51 PM
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Quote:
Originally Posted by Snowman66 View Post
Auto or 6sp, does it make a difference?

For me, I'm automatic.
aparently not i got the 6spd 3.73's and im at 2000-2100 at 70
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Old 05-31-2008, 04:42 PM
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its auto, stock tires, but i think when i go up to 33's it might help a little.

is it me or does it just feel like if there was an extra overdrive, the truck would just idle at 80.

but it sounds like I have the 3:73's as well
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