I bet that trans is far from stock. The 2004R has gone into the 9's, it just takes a lot of upgrades to get there.TexasT on the G-body forum!! Never seen you here - nice to see another 200-4R believer in the room.
My favorite 200-4R 500 miles from home :
Old307 and 403 ^^ that's pretty mild 🙂 500hp? Turned up since then, maybe times 1.5 to 2.