My God. Frenchtown said that his friend can rev a Vortec in 9600!!!
That is a lot RPM.
Here, in Brazil, we use the 250 much more than the 292, but when we rev 7500, we got on our knees and pray all day long.
I´ve never thinked that a sausage crank like the 6 inline could hang up so many RPM.
Frenchtown, do you know the cam grind your Vortec Friend uses?