.030 5.9 magnum

Peep this:

http://www.forabodiesonly.com/mopar/showthread.php?t=57501

The people that responded all run the KB107 and talk about 425HP/TQ with a mild cam, high dynamic compression ratio running on 89.

It's the way I'm headed as well.

Here have a calculator:

http://www.wallaceracing.com/dynamic-cr.php

Plug in the cam Intake Valve Closed @ .050 and have at it!


PS: did you already order those heads? The 1.92 RHS-X bare heads are pretty easy to put together with stock valves, Hughes 1110 springs and 2.2 K car retainers. Might shave a few bucks. Just a thought. :D