Last night at Country Musicfest USA my brother and I were sitting around our campfire with a bunch of other bikers. Anyhow we got to the topic of building customs (there were a couple guys there who have done some). Anyhow we were talking about the like'* of the Boss Hoss, and other bikes with car engines. I mentioned something about if Fiero owners are taking L67'* and dropping them into their cars and with few mods are running low 12'* and high 11'* how about on a chopper. They really liked the thought of that and now two of them are talking about working together since these engines are somewhat common and a L67 whining on a chopper would simply rule.
Anyhow as for mounting, exhaust and PCM'* is where we were wondering about no crossover pipe and having the exhaust pipes coming right off each manifold (or header), and what it'd take for tuning a PCM for such applications. I bet there'd be good money in making these and with the reliability of the 3800'* would really be awesome. Biggest thing that we're worried about is whether to go chain driver or shaft driven.
Anyhow, just thought I'd share this as I think this would open up a whole new world for after market suppliers of performance parts which might lead to cheaper performance parts.

Sounds cool, good luck with it.

I can see it.
Run with a rear engine setup and take the whole engine, tranny and fwd drive train.
Tilt the assembly back 15 degrees and lay down a 3 seat couch with the driver in the middle. I say something simillar the other day but he had a vw engine, L67 would kick it up a notch