Because you don't drive the car you are going to race to the track, because you might not be able to drive it
home from the track?
http://www.thesamba.com/vw/forum/viewtopic.php?p=1661999
http://www.vwpartsvortex.com/1965-vw-single-cab-transporter
IKW Wanroij 2013 Int. Kever Weekend VW Beetle Budel | classiccult
http://frankieflood.blogspot.com/2013/05/race-car-hauler.html
Need I go on? Because I could.
In other news a teardrop minus their worst attribute, that hard edge on the only curve:
http://justacarguy.blogspot.com/2015/12/one-very-pretty-teardrop.html
Edit: I just noticed, the Type IIs are stretched, widened, ramped and stock in that order. That about covers it.