Quote:
Originally Posted by djmarchand
He says that any condensate is perfectly clean and will be blown through and burned with no harm to the engine.
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It's not the water that gets "blown through" that is a problem. It's the water that can collect in low spots and cause corrosion damage. In the worst case scenario, a slug of water can cause thermal shock damage to an intake valve, breaking it off and destroying the engine.
The water that collects is far from clean. The same soot and sulfuric acid compounds that accumulate to block and corrode the surfaces of the cooler concentrate in the condensation that can pool in the charge air passages.
A drain is hardly a waste of time and money.