What kinda HP does it.......

Gross, but these calculations don't take into consideration, reaction time and traction. So I'd say your chassis would have to be set up right along with everything else.

Here, try these out. Remember, it's not the real world.

http://vexer.com/automotive-tools/1-4-mile-ET-HP-MPH-calculator


http://vexer.com/automotive-tools/speed-rpm-calculator