So here's the deal. I have a rotrex c30-94 sitting in my lap.
I have a shell.

I'm looking for the best motor to stuff it on.
I am *completely* capable of putting the rotrex on a b/h series.

Here's the deal though-
The c30-94 can only produce about 9psi @ the maximum limits of the blower.


What i'm trying to figure out is what engine I can most efficiently use that 9psi on.

K20A2 and aim for 375ish? That seems to be the high point for a stock k20 with the rotrex.
or
Build a B series. I have no idea if I build a b-whatever if I can have it make MORE power than the K20, using the same boost.
I've seen slightly worked (no bottom end work) b18c5's making 300+ hp with a rotrex.



Anyone care to offer insight as to what motor will be my best bet?