GT Performance Mods 2005+ Mustang GT Performance and Technical Information

Rpm's at speeds needed

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Old 6/23/07, 07:43 PM
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Rpm's at speeds needed

Can someone compute the rpm's for me for the stock 3.31 gears with the stock 17" wheels? I would like to get the rpm's at:
1) 50
2) 60
3) 70
4) 80 mph

I'll be ****ed if my speedo is not reading way too high and I'm just trying to do a quick check based on rpm on what it should be reading. Next step would be timing it at 1 mile, gps, etc.. but thought this would be a simple check.
Old 6/23/07, 08:10 PM
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Here you go... file in the tire size and gear ratio: http://www.2005stang.com/gallery/alb...M_vs_Speed.xls
Old 6/24/07, 11:31 AM
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thanks
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