Vintage wheel-to-wheel racing
Do you deal with Lee Chapman? That fella is a god among Chevron enthusiasts.
The same goes for Teddy Wenz and crew for Hewlands.
I spent a couple of summers working for them. 40 hours per 1 hour was what we had figured for car prep. Not to mention the countless consumables that each weekend seems to take (really, 10 qts. of Redline?).