QOTD: Are Cross-Marque Engine Swaps Blasphemous?


I’m a big fan of goofy engine swaps, but I must admit that I get tired of seeing small-block Chevy engines in everything. Still, engine swapping is an American tradition that goes way back, and the rise of online discourse has led to a huge increase in the level of heretic-seeking, brand-loyal, anti-engine-swap sentiment in the last decade or so. Why, our very own Crabspirits may have to go into a witness-protection program after stuffing a Nissan VG30 V6 into his Toyota Cressida, and I’ve received some disapproval for putting a GM engine in a 1941 Plymouth (not a huge amount, because prewar Plymouth fanatics tend to be 115 years old and not so online-savvy). AMC guys wig out when they see an LS in a Javelin, BMW fanatics get all red-faced when they see an E30 with a Detroit V8, and so on with just about any cross-marque swap you can name.
How do you feel?

Are all such swaps evil and wrong? Some of them? Which ones? So far, fanciers of British cars are the car freaks I’ve found whose members nearly always approve of weird engine swaps, partly because of the tradition of hacking the hell out of British machinery and partly because so many British engines were 50 years obsolete when new.
Whaddya think?
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I'm ok with it. Actually, I'd love to swap a Coyote V8 into a C3 Corvette. And I like Corvettes. A Falcon Barra turbo would be awesome under the hood of an American Mustang. One of the FFs movies did a Skyline into Mustang swap. Some OEMs have even done it: GM put Honda engines in the VUE, Nissan engines in the Commodore. BMW put a Chrysler engine in their first MINI, which now graces Brazilian FIATs. Ford put Volvo engines in their Focus, Toyota has the Subaru F-4 in their 86... and that is before we go into the diesel engines, or heavy trucks, where things really get incestuous. If the OEMs do it, it's fair game for everyone else. I rest my case. The only blasphemy I could see would be a halfa$$ed hack job.
An LS into a Foxbody is Satan's own hands at work. Plenty of 3rd gen F-bodys around for that and as an added bonus GM's crappy interior materials will disintegrate when touched leaving the need for only a vacuum cleaner to take weight out of the car.