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  1. 3.73s and top speed

    2005-2010 V6 Mustang Tech
    I was looking at rebuilding the rear end of my '06 4.0L, put in a limited slip and some 3.73s. My question is how will this new gear ratio effect my performance at higher speeds? Should I expect to obtain a lower top speed and by how much? Also for high way driving I've been told that at 60mph I...
  2. 3.73 Gear Swap Question

    4.6L Tech
    My buddy has a 2003 Mustang GT and he wants to know what kind of speeds he can hit with the 3.73 gears and what kind of rpm's he'll be doing at higher speeds... Any ideas?