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Originally Posted by Longhorn1
Oh oh, hey Chernmax, I power spray my engine every two weeks. Is this something I shouldn't be doing? a big No No huh? not what i like to hear,
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If the engine is hot you run the risk of cracking something... which obviously would be a bad thing...
If you spray the intake, you risk water getting in through the throttle body (especially if you don't have one of the intakes with a water diverter) and then you'll experience the joys of hydro-lock...
Most of the electrical stuff is relatively safe to spray, but I wouldn't chance it. At the most I'd say use a mist (like that Mr. Clean autodry has) or do it by hand... or have the car detailed and let them deal with the dirt and grime...