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Old 06-06-2013, 11:14 AM   #8
RickB
Scraping Paint
 
City: Fort Lauderdale
Vessel Model: CHB 48 Zodiac YL 4.2
Join Date: Oct 2007
Posts: 3,804
Quote:
Originally Posted by djmarchand View Post
He says that any condensate is perfectly clean and will be blown through and burned with no harm to the engine.
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.
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