Quote:
Originally posted by gchemist
Don't wash it if your engine has been running more than 15 minutes. You'll crack a block or head really quick. ....
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So if I am driving down the road for more than 15 minutes, I should make sure I don't hit a water puddle? I wouldn't want it to crack my block now would I?
Spraying the water directly on a cast exhaust manifold could cause it to crack. I really doubt it is going to hurt an engine block...
