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The Terminator
Engine/Tuning
tuning & diagnostics II
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<blockquote data-quote="Avispa" data-source="post: 12936955" data-attributes="member: 78552"><p>It's ok to disconnect the EGR system and have its codes turned off in the tune, <u>but leave that PCV system connected</u>!! It causes NO power loss and keeps the crankcase with less accumulation of water vapor and water soluble contaminants. What do you think is in combustion gas? Water vapor. It mixed with the small amount of burned sulphur in gasoline to make sulfuric acid. If you make lots of short trips where the oil never gets to operating temperature, that acid will sit in the crankcase and eventually damage the crank and rod bearing surfaces on the crankshaft, not to mention the cylinder walls.</p><p></p><p>Not to mention your blower rotors will thank you for having some oil mist enter the intake.</p></blockquote><p></p>
[QUOTE="Avispa, post: 12936955, member: 78552"] It's ok to disconnect the EGR system and have its codes turned off in the tune, [U]but leave that PCV system connected[/U]!! It causes NO power loss and keeps the crankcase with less accumulation of water vapor and water soluble contaminants. What do you think is in combustion gas? Water vapor. It mixed with the small amount of burned sulphur in gasoline to make sulfuric acid. If you make lots of short trips where the oil never gets to operating temperature, that acid will sit in the crankcase and eventually damage the crank and rod bearing surfaces on the crankshaft, not to mention the cylinder walls. Not to mention your blower rotors will thank you for having some oil mist enter the intake. [/QUOTE]
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