...I'm so depressed.
So what kind of trans were you running and how tall are the tires? That 3.93 gear is really LOW, especially for running 130 mph. I figure you were using 5th over drive at speed.
Not like Dick Smith, real men do it with a four speed and a big block! Arrrrrr ARrrrrrr
26" tall tire with a 3.93 rear ratio and a one to one (direct drive like 4th in a top loader) = 118 mph at 6000 rpm
Typical Goodyear BIAS ply BIG letter tires (like Dick might have run) are 26.5" tall.
The BMW M3 trans (5 speed) is still one to one ratio (direct drive) in 5th gear.