I stumbled across this today while on another project, and I see for the Watkins Glen 6 Hours, International Championship of Makes.
Elford/Hulme in a Porsche 917K, the entrant was Porsche/Audi Division, and this was July 1970 !

Is this right ? I'd had never known of this drive.

Here is the result page: http://www.racingsportscars.com/resu...970-07-12.html