Quote:
Originally Posted by falconfixer
Oh and maybe someone can correct me but I wait till the engine cools a little bit. The whole thermodynamics and what not dictate that I'm not spraying cold water onto a 220+ degree engine. I'm guessing even hotter but I dont have a gun to check the heat signature.
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Correct, don't do anything to the engine bay when the engine is hot. The degreaser will just evaporate away and obviously cold water on the hot engine block isn't recommended. However, I found the degreaser actually works better when the engine is warm. From a cold start you can let it warm up for a minute or so. If you've been driving, let it cool down considerably though.