Are the parts for the SHO/MKS and F150 interchangeable? Which TSB are you referring to, 93Cobra?
EDIT: This one?
http://www.ecoboostperformanceforum.com/index.php/topic,3836.msg98709.html#msg98709
EDIT: This one?
http://www.ecoboostperformanceforum.com/index.php/topic,3836.msg98709.html#msg98709