A virtual Dyno said this...

Brooks James said
I'd be very happy with 425-450 rwhp
As long as I can fry the tires and leave 2 long identical black stripes
On the asphalt !!

Thanks

shoot, 325hp and BFG's with 50psi will do that all day long and you probably won't even knock that much mileage off them hard *** thangs.