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Originally Posted by viguera
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... |
Are these cars really that delicate? Mind you that I have no interest in a highly accessorized and detailed engine compartment such as yours, but I've used Simple Green and a garden hose along with the occassional pressure wash to keep the engines of my mostly GM vehicles clean and degreased for years with no ill effects. Just keep things out of the alternator. Seems the intake should be similarly easy to avoid or cover as well.