Thanks for the +1. I just began to think about the natural sequence I would follow.
OP, I learned about the timing flaw from my Tuner. When I told my buddy who owns a auto machine shop that does a lot of dealer work about the timing flaw, he says, "oh that explains why so many head come from the dealerships with burnt valves".
174,000+ miles, 5/20/12 new ej257 short block, 8/20/11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. Also CHECK YOUR OIL, these cars use it.