Joe heatervalves.net was a life saver. Shipped the valve back within 24-hours of getting the new seal in and water pressure tested. Ran the car idle 10 mins and all seems nice and holding. U hose was: Dayco 86050 the exact fit with some trimming.
Wow! That's almost $44k USD..... If I had a big shop/garage, I'd consider buying the Craigslist link above... Decent TT's are hard to find. Most of them are heavily modified or beat to hell.