This is a bit old, but since this talk of big motors came about and all this power stuff posted below by our local 9s stang...
http://www.mugen-power.com/topics/legendmax0501/
4.0L v8 n/a
590hp at 9500rpm
384 tq at 7500 rpm.
Redline is 10 grand. I'd make love to that v8 and place it in my nissan.