just a reae end gear math question ???

Old 04-13-2010, 06:40 PM
  #1  
bigray
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Default just a reae end gear math question ???

if i had a 3.90 gear with 36 tall tires and went out the back door on a 1/4 mile at 144 mph and 6100rpm what would 4.57 gears on a 1/4 mile be ???
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Old 04-13-2010, 08:02 PM
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chrisr
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Depending on if you shifted at the same point I would guess around 7000. Go to www.wallaceracing.com and he has all types of calculators for changing stuff.
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