Anyone have any first hand experience on supercharging a car that has a stock short block w/ 150K plus?.......the motor still runs GREAT (oil pressure good, etc)....i'm going to build up the rest of the motor over the next year and hopefully put a blower on it some time in 2005...however, I am debating on going ahead and rebuilding the short block as well.....i'm hoping for about 400-450 rwhp when all is said and done...i just don't think I'm trusting that on a 150K mile shortblock.....any thoughts?