Quote Originally Posted by revnit View Post
Normally its done when engine is cold with a hot engine you can potentially crack your block, radiator, exhaust manifold etc..etc... you can do it while its hot but its generally not recommended, what ive been doing for years and its the way ive been shown is degrease the engine bay hose it down with a gurney or a hose then start the car and let it run until hot this will evaporate any water or moisture that has gotten into the electrical system eg dizzy.
if you can get to a hot water gurny it'll make the world of difference as well!
oc120 my friend! lol