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-   -   rpm's at 70 mph? (https://www.f150online.com/forums/v8-engines/281405-rpms-70-mph.html)

masonball Apr 9, 2007 04:32 PM

rpm's at 70 mph?
 
what rmp's is everyone running at 70 mph, or what mph at 2000rpm? I'm exactly at 2,000. Just curious.
2003 supercab 4x2, 3.55 ls, 5.4 automatic, 265/75/16s but not sure if re-calibration has been done.

Bluejay Apr 9, 2007 04:49 PM

I don't know what it is at 70, but at 2000 rpms, I am running 75 on speedometer and it is 2 mph fast, so 73 actually. 5.4, 3.55, 4x2.

built54 Apr 9, 2007 04:52 PM

speedo at 70, 2k rpm, actually doing 80

ssj4shane Apr 9, 2007 05:02 PM

im running like 2300+ at 70...
but i do have a nice new set of gears

Ultra_Miner Apr 9, 2007 05:12 PM

2001 SuperCrew, 4 x 4, 5.4l, 3.55 lsd. 265/70 x 17 tires(stock). Seems a little high to me, yesterday coming back from a family easter dinner, I was going 80 mph with the cruise on and I was turning 2100 rpm. Maybe just a tad under like 2090 - 2080.

csonka Apr 9, 2007 05:13 PM

2500 on my 95 with 355s

Gear Jammer Apr 9, 2007 07:45 PM

Mine runs about 1900 @ 70 mph

fallingUP Apr 9, 2007 07:54 PM

i believe at 2000 im runnin bout 72 but between 2000 and 2100 major diff bout 78 i have pics in gallery

ooo 2007 4x4 5.4 3.73 L.S. havent looked after siso added, will do soon.

hmustang Apr 9, 2007 07:58 PM

On my 05 it is around 2k at 72MPH on my old 2000 I had it was 2k about the same at around 72MPH both truck geared at 3.55 05 has a 5.4 my old 2000 had the 4.6. Just for comparison my old 96 Mustang GT was at 2k at 75MPH.

SilverBF150 Apr 9, 2007 08:16 PM

I'm at about 1800 RPM at 70mph.

That's what I CruiseControl on when going home from school. Nice good speed, not slow and not fast, and with the low RPMs helps on the gas

Blue02FX4 Apr 9, 2007 08:20 PM


Originally Posted by Gear Jammer
Mine runs about 1900 @ 70 mph

about the same here, 1900 on the dot at 73mph on my 02 5.4 3.55LS

masonball Apr 10, 2007 10:29 AM

thanks everyone

malexander52 Apr 10, 2007 02:23 PM

1750 at 70
2000 at 80

4.6L Windosr 3.55
2000 F-150 XLT supercab

97_4sixer Apr 10, 2007 04:39 PM

Just a little over 2k at 70 on my 97 F150 4.6 4x4 3.55 auto. I have 255/70R16 tires.

bigdad8214 Apr 10, 2007 06:09 PM

2200 at 70, 4;56 gear with 35's.


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