nice-one-bruv

Have an issue with boost creep after fitting a td05 to my classic wagon. Been told by numerous peeps on here that the cure would be to port the wastegate. Would anyone have any advice on how much it would need to be done or better still a pic which could be used as reference. Any advice would be great...

nice-one-bruv

Has no one done this before? I just need to know what the end product should end up like. I have all the tooling an am pretty confident in carrying it out but need to know why the unit requires porting and where...