What engine ($25,000 or less) would you put in it? A viper v10, a 426/472/528/540/572 hemi, a beefed up 80's jag v12, a 4.6 or 5.4 DOHC Ford motor, or whatever you want. (American engine, yes jags aren't american but their owned by Ford and you can get them cheap so they count)