I've been tracking my 97' Boxster with 177k miles more lately, and figured I'd share some Thunderhill pictures. I ran with Audio Design in San Jose who rented the track for the day... all day, 25 cars and no session division! The car ran great all day, even with my friend and I tag teaming her relentlessly.
2.5L with straightpipes, X51 pan, and 997 oil cooler
ROW M030 suspension
Dunlop Starspec 225/255
986S front brakes with "GT3" ducts
Moderately lightened and religiously maintained