Sandy,
I just took my 466 to the dyno last weekend with a 11.7:1 combo with Dave Freelander ported D0VE heads and a Lem Evans spec'd solid roller cam. I made 620hp @ 6300 and 529 lb/ft @ 5200 on a very stingy SF902 dyno. Should be good for your needs as well. Check here for my whole combo:
http://www.429-460.com/proven-builds-f4/466-ranger-build-t5399.htm
I just took my 466 to the dyno last weekend with a 11.7:1 combo with Dave Freelander ported D0VE heads and a Lem Evans spec'd solid roller cam. I made 620hp @ 6300 and 529 lb/ft @ 5200 on a very stingy SF902 dyno. Should be good for your needs as well. Check here for my whole combo:
http://www.429-460.com/proven-builds-f4/466-ranger-build-t5399.htm