? and some help

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  • bpmack16
    E30 Mastermind
    • Aug 2006
    • 1521
    #1

    ? and some help

    i have a 1990 325i and when on the highway at about 80mph in 5th the revs are a little over 3K. I was thinking this is high? I have the oem diff and 16in rims will the rims make it rev higher at highway speed. I should know this but my other car is on 18 and has a 3:91 so i don't have anything to compare it to.
    Tags: None
    • foofopps
      E30 Addict
      • Sep 2009
      • 529
      #2
      http://www.miata.net/garage/tirecalc.html

      You've never seen this? Its the first thing that pops up on google. Type in your tire size vs OE. Wheel size should not really make a difference because the tire should be proportional to the wheel. This is really basic stuff.
      Originally posted by b3albakii
      the head was okey .. and in a good mood
      no i didnt over heat it so much
      www.blunttech.com

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        • kingston
          R3VLimited
          • Jun 2010
          • 2669
          #3
          What is the ratio on your OEM diff?
          Originally posted by LJ851
          kingston is the play by play announcer for this thread.
          ‘Tis by the grace of God that my cars run!

          Originally posted by unloadedak
          #teamross
          Siobhan's Build Thread - UPDATED!

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