Mike is much more knowledgeable than me of course
c'est normal je suis plus jeune de quelques mois! 
Among the very nice parts spotted at Birmingham, the wonderful hubs for peg drive and a very nice air duct for the intake, breathing from the upper part of the front end gril then going under the bonnet. Using a Mk1 facelift front helps sometimes…
Mike, the dummy rear leaf spring was plastic if I'm correct? In this case, to be compliant either the plastic has been homologated or legally used in period or you have to use steel as stated by appendix. I'm wrong here?
if wrong, correct me and I'll buy a beer!