Matt the dealership where i work used to do the a 2.4 stroker passey & porter in WSM.
was not a limted edtion model just an engine coversion avab on any cosworth.
That also came with a in house warranty not covered by ford direct.
Also know of roger pitts top bloke spoke to him many of times sorting out RS bits.
Jim heres some info on the Minker i sure it was only avab from turbotechnics . ??
http://www.area51.org.uk/projectcar/minkerk1.htm
PS...never said the rouse was the fastest ford ever