sounds sketchy... "unmentionable speed secrets" come on.
sounds like all they are doing is stroking a B series engine, and if that the case i've heard that its not the best thing to do.
I'm a little concered as to how they are getting 2.4 liter displacement out of a B? even 2.0 is making sidewalls thin?
if they are getting 2.4 from stroking then i would say that that is downright dangerous with such a long stroke and you may have some holes in the block soon.
I dunno maybe i'm wrong, i would wait till some other responses come in.
if you do go that way let me know when the engine hits 100,000 then i'll get one also