the real trick is doing a b6 1.8t cooling flange, or a thermostat on a 1.8t nb. sometimes I have no idea how I am going to do it, I just start shoving my hands down there.
My crowning new beetle achievement was 6 hours for assembly on a 1.8t cylinder head, head gasket, cooling flange, cam seals, tensioner seals, spark plugs, timing belt, water pump, air filter breather, and no cels, the late 1.8ts have 2x the vacuum lines in a-chasis cars