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rfuerst911sc rfuerst911sc is online now
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Join Date: Dec 2002
Location: Dahlonega , Georgia
Posts: 15,216
GM LS guys - catch can questions

I have a Gen 3 LS 5.3 in my S10 . I did not do the conversion . Had it a year now and it runs great . I have been reading about the potential benefits of adding a catch can .

Some guys are saying the OEM PCV system is weak and allows too much oil to make it to the combustion chamber . And some say it causes buildup on the valves . My engine is a early 2000's model with cable throttle body .

So any of you running a catch can ? How did you plumb it ? How often do you check it or empty it ? Any negatives to running a catch can ? This is just a street driver , zero track time .
Old 02-10-2025, 06:37 AM
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