I have had a 4.1 axle for the past couple of years. 7000 rpm in 4th is almost 110 mph and 5th is a nice cruising gear. I think that Richard got my 4.56 for a race car.
85 GTV6 3L
76 Suzuki GT500
2011 Jaguar XKR
A little government and a little luck are necessary in life, but only a fool trusts either of them. - P.J. O'Rourke