GT6+ final drive question...speed/RPM

["Shapiro - Kenneth J." <kshapiro@umd5.umd.edu>]

Thanks to those who responded the other day when I thought my tires
were causing some high RPMs...they weren't. Anyway, I have a
3.89 final drive on my non-overdrive car. What's the MPH per
1,000 RPM I should expect in fourth gear?

BTW...I've owned Lotus, Corvette, Porsche, Miata...this GT6
is more of a smile to drive than I imagined! With its headers
and Monza free flow four pipe exhaust, the howl is intoxicating!

ken