i run a 2.2bar boost spike and 2.0bar held and i'm on a Group A HeadGasket using standard Ford HeadBolts and my block is just totally Flat along with my cylinder head, and i've never had any issues yet
I also previously run 2 YB engine at 26psi and had no issues either
sorry turbos have been T34.63
Last edited by silky16v; Apr 9, 2008 at 11:34 AM.