20v conversion is easy if you listen to me haha.
Cut hole in fire wall to fit dizzy and make a box around where hole is so you don't get ʞ©$ɟloads of engine heat in there, or mount engine forward so dizzy doesn't hit on firewall.
Extend water lines from rear of engine, don't bother with RWD stuff.
IF you want to do it on the cheap, plus its a track only car so who cares.
99% of member will tell you that's a bad idea though. haha.