Bathrone...you are prolly right about these engines not being approved under 79/00
However, if the outcome of the exercise depicted on this site, was followed thru, then things could have been quite different.
http://www.advancedengine.com/pressPrint/pr0501p.html
A Sprintex blown 310 Kw 4.6 Litre hard top falcon would have obtained the nessessary mandate.
That engine in a cobra would have been downright mean.