ok guys im new here i got a 86 mk2 5mge, the other day i had a 7m engine give to me (just the bottom end, crank, pistons) ok well i am going to turbo it, port and polish the head, and a put a bigger cam in it. what do yall think? should i bore it 20 over or no? what ecu will plug in to my original harness for the 7m? what comp. ratio do i need for it runnin a turbo? 9:1 or 10:1? what cc injectors do i need? and any other tips will be very very appreciated!! :icon_bigg THANKS!!