Thread: How much difference would a 3:9:1 diff make?
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Old Jul 30, 2004 | 09:07 AM
  #11  
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SPADGE
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Originally Posted by Mike Rainbird
Will knock 12mph off top speed on 215/40 x 17s @ 7000 rpm (158mph instead of 170mph)

I don't even do 158mph very often Mike so thats cool
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