I suspect the answer as to why there are no center caps on the rims.. its a race car.. why risk them coming loose and falling off...After further googling...came across an interesting post which mostly answers my questions....shoulda waited 10 minutes..haha.
Maybe someone else will find this useful..
I see a lot of guys running 5 spoke torq thrust or similar wheels. Why don't they run center caps? Is it for easier access to front wheel bearings?...www.shelbyforums.com
Although still not sure which to get, TT classic, D or II...