Heads make the engine!!!! All the engine does is stay together!!!! AFR FTW!!! 185 or 205!!! 185 will do the trick, with Nitrous exhaust ports,
http://www.airflowresearch.com/185sbf_strp.php
I kind of jumped a few pages.... what is the short block??? year? roller? what is done to it? Compersion?
My fox ran 11s with a stock block 9.5:1 cast pistons 351w, with a lot of blow-by, with a set of AFRs!!! 11s, it only dyno 325hp to the wheels!!!
The biggest question is how fast you guys want to go???