"Putting a V8 in a Porsche is like putting a V8 in a Jag"
Well...not quite the same...one assumes that any given Porsche is *running* at the time of the swap... Jags on the other hand...lol...well, I recently stumbled on a website called:
http://www.jagsthatrun.com/
The premise of this site is that the only way to get a Jag to run is to put a Chevy V8 into it. To this end, they sell manuals etc to help with the conversion. They seem to take themselves a little too seriously, but I got a good larf out of it and bookmarked the site for future amusement.