So that's the problem, too many engineers on this board!
I really am going to build a diesel for my car eventually. Really, quit laughing!
http://www.nhrda.com/Vdz/20080816/PS.htm (the announcer was reading the "car owner" instead of the driver). We had it running pretty soft to keep from breaking parts, but it has gone 149 mph. I figure an identical motor in my car (1100 lbs lighter) could be a decent S/G motor.
Regards,