It can't hurt to post an ad on this site, too.
http://www.carandclassic.co.uk/classic_cars.php?keyword=&make=35&category=®ion =&country=&advert_type=1&price=8&era=6&Search.x=48 &Search.y=9
I used to send USA collector cars to the UK as a side business;
there is a small cadre of diehard enthusiasts in GB who are not necessarily put off by a labor-intensive fixer-upper, even left-hand drive examples.
Current fcX pegs British pound at $1.63 which means there is potential to fetch a decent sum there.