240Z (S30), 280Z (S30), 280ZX (S130), or 300ZX (Z31) with a 2JZ FTW...much lighter than a Mustang, look better, and much roomier engine bay since it was a straight six to start with....except the Z31...although in Japan, one model Z31 (2000ZR I think) came with RB20DETs so that works too.