ideal gears

1/4mi or 1/8th?

That much power in a average weight dart has the capability of trapping 120+ mph in the quarter if it's running to it's potential.

Just to many variables at this point to run multiple scenarios.

Try playing with this calc some.......
http://www.wallaceracing.com/calc-rgr.php

1/4 mile.

I agree, 120ish trap speed.