mega bargain then ,not doubting the guys work but if he done it at that price then its repo parts , and we all know how s**t they can be mainly the water pump, not to worry you mate just giving the best advice and dont worry that you haavent noticed any difference a well maintained car wont really be any different, maybe smoother idle and cooloer running temps to, did you get them to flush the rad before adding the new anti-freeze.