Quote Originally Posted by w2zero
Short track roundy-rounders can split them and a big shot of nitrous can divide them too. They're pretty tough until you start with the power adders like too much boost or too big a shot. If you are going to do that, then buy a Dart block. Or just wait for this to happen. http://460ford.com/viewtopic.php?t=6597
We had a 400 sbc look about like that.
It was in the 590 hp area.
After seeing that I think I will limit the builds to the 450 hp level.