I have 4.10's in mine. On an N/A Cobra that is the minimum IMO. It does not change RPM or fuel mileage much. Now with those I am able to actually not downshift when passing on the interstate.
1 - 2 of 6 Posts
This is an older thread, you may not receive a response, and could
be reviving an old thread. Please consider creating a new thread.
A forum community dedicated to all Ford Mustang owners and enthusiasts. Come join the discussion about performance, racing, builds, modifications, troubleshooting, maintenance, and more!