I have a recollection that the very first SLR was actually built on a TR ( The so- called 'Dangerfield' car) and then the remaining three were on the Plus 4 Superpsorts chassis.
Can anybody enlighten me?
Maybe, I can at least post a link to what looks like first hand info:
http://www.williamsandpritchardregister.co.uk/slrmorgans.htmGood reading, nice photos.
Andy