stripping down the motor and going to replace the seals.. but i am not going back to the twin setup. what gaskets do i need and should i buy the 400 gasket kit. also i am going with a t04s. i am not buying a kit but rather i am going to buy the turbo wastegate and manifold of course i will need some piping an intercooler etc but am i forgetting any thing for my baby with 110k on the clock.