Originally Posted by BigD
The head is off an S38B36. Perhaps it was bored/stroked to 3.8 but that was originally a 3.6. The valve cover definitely is, and I don't think they bold on the 3.8.
VS did dyno a TT 3.6L for ssperformace a few weeks ago. That one made 1048hp / 1055nm on the enginedyno.