Thanks Ron for the reply. I won't seal it straight away or flush it out, it looks pretty clean right now. Thanks for the tip about the back plate and the piston.

Anyone that's running a D8 what thickness shims have you used between the flywheel collet and front bearing? I've just tried with out any quickly and flywheel rubs top of crank case where the car inserts. The shims I've got now are 7x12mm are these okay to use or the OD is too large?

thanks
Jason.