Check out Curtis' list of conversions.
http://www.britishv8.org/British-V8-How-It-Was-Done.htm
That's a lot.
As the surprised Muslim said.."Holy shiite"!!
Looks like 358 conversions documented (that's the biggest number I saw anyway)!!
And there's probably 2-3 (or more) undocumented for every one that is.
212 MGB's and 1 Hillman Husky. Among others!