Hi!
You should really be talking to bbq on this forum or on
www.rsb.se where he uses the same nick name. He will inform you. Think you got a link here.
http://nordicchampionship2009.blogspot.com/
Was ther the last year when the Swedish national was held and all the drivers used Losi studs front and rear in 4wd and ribbed front on 2wd. Workt fine even in the rain.
Welcome guys