What I have is a 1992 GMC Typhoon with 81,000 miles.
The engine was rebuilt and bored .030 over 12,000 miles ago with all the goodies. The 700r4 was beefed up and rebuilt 10,000 miles ago by the same company in NJ and I have receipts. Turbocharger has under 10,000 miles on it and it is Pt 62...