Sounds like a lot of fun.
Brings to mind a "cycle" I saw in another exoticar list.
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FWIW, the sequence of events I've seen play out many times goes something like this:
1. Buy cool fast car.
2. Start going to track events. Get hooked.
3. Throw lots of money at cool fast car.
4. Realize that cool, fast car does not fit in any racing classes.
5. Buy slower, cheaper car to race.
6. Notice that actually racing slow, "cheap" car costs as much as track days with the cool, fast car.
7. Sell cool, fast car.
8. Race, race, race.
9. Realize that you're broke, the house is falling down (because you have no time to deal with it), and you're sick of driving a big diesel pickup to the 7-11.
10. Sell all race junk.
11. Buy cool fast car.
Repeat.