Just put your tired, worn out 5.0 out of the Stang in there and drop an LS1 in the GT.

[ame="http://www.youtube.com/watch?v=iKCYi2r4EVU&feature=rec-LGOUT-exp_fresh+div-1r-3-HM"]YouTube - Rebuild a Jeep Under Four Minutes o.0[/ame]