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Mustang Forums
2015+ S550 Mustangs
2.3L EcoBoost I-4 Engine Modification/Discussion
Aftermarket downpipes causing smoke?
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<blockquote data-quote="MagnaFlow" data-source="post: 15345634" data-attributes="member: 169935"><p>Very informative post, Pewter! This is exactly what we were about to say. The stock PCV system was not designed well from the factory, and causes the oil to back up and pressurize. When this happens, the oil has to find another place to go, which is usually out the turbo seal. The only way to completely solve this problem, as you mentioned, is disable the stock valve and install a catch can that properly connects to the stock ventilation system. This seems to be a common issue in both turbo mustangs and F150s.</p></blockquote><p></p>
[QUOTE="MagnaFlow, post: 15345634, member: 169935"] Very informative post, Pewter! This is exactly what we were about to say. The stock PCV system was not designed well from the factory, and causes the oil to back up and pressurize. When this happens, the oil has to find another place to go, which is usually out the turbo seal. The only way to completely solve this problem, as you mentioned, is disable the stock valve and install a catch can that properly connects to the stock ventilation system. This seems to be a common issue in both turbo mustangs and F150s. [/QUOTE]
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2015+ S550 Mustangs
2.3L EcoBoost I-4 Engine Modification/Discussion
Aftermarket downpipes causing smoke?
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