I think you'll be real happy with the 280H - it should open and closes valves in the sweet spot of your engine build / combination and with the four speed and a 3:73 rear end, as mentioned earlier, you'll quickly get the feel for good RPM ranges to start mildly or launch a bit and with as light as the Nova is the first time you hit second at WOT you'll see God and have to change your shorts - Have fun and please let us know the results!

Regards and Happy Thanksgiving,
Glenn