Mark, I like your plan. B1MC and 572 go nicely together.
The 950 hp target is conservative, and you might make more.
From what I have seen, at this level two similar motors might make different power, 950 for one, and 1030 on another.
The little things ($$$) matter at that level, IMO.

1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1