just went out for about 20 min stroll light driving till it gets set up in my zetec turbo,when i got bk i checked all levels eg oil water oil was bang on and oil pressure sits at about 30psi on idle 60 on load but the thing that bothered me was the top rad pipe was hot as was the bott but water in catch bottle was cold,how is this ??????????is this ok ???????? is is cause i am not letting it heat up ?PLEASE HELP