Not really Vancouver history as its more tri-cities but here's some stuff on the Westwood Motorsport Park, which is now just a housing development aka Westwood Plateau.
Some of the track still kinda exists today, which you can still checkout.
http://www.geocaching.com/seek/cache...a-9cc29fb8fb13
http://en.wikipedia.org/wiki/Westwood_Motorsport_Park
http://www.etracksonline.co.uk/Featu...aspioneer.html
http://www.westwood50.org/