02-10-2016, 10:50 PM | #1 |
Drives: SIM 2010 2SS/RS LS3 LPE750 Join Date: Feb 2012
Location: Mckinney, Texas
Posts: 764
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Blower motor catch can issue
LS3 with Maggie, cam and all supporting mods. I have the stock valve covers with an Elite catch can mounted on the dirty side. The car is not a daily driver but about every third "around town" trip the catch can fills up with oil. Is this normal for a blower motor or is this a PCV issue. If it's a PCV issue can I run an in-line PCV along with the stock PCV or will this not help?
The CC inlet on top of the can is attached to the factory PCV on the back of the drivers side valve cover and the outlet on the side of the can goes to the side of the blower as seen in the pic. A little advice please Last edited by gnturboray; 02-10-2016 at 11:23 PM. Reason: Add |
02-10-2016, 11:34 PM | #2 |
Drives: 2013 2SS (sold) Join Date: Jan 2016
Location: Seattle, WA
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Hmm, as far as I know the LS3 does not have a PCV valve, it's just baffles
Also, on my non-supercharged LS3, the PCV outlet is right below the throttle body, and the inlet is right after the throttle body. I didn't realize there was a connection on the back of the driver's side valve cover? I thought that was only on the V6? I'm way out of my element when it comes to supercharging the LS3 so I am probably no help lol. This is how my non-supercharged LS3 is http://www.andersonperformance.net/L...e%20NA_PCV.jpg
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02-11-2016, 12:27 AM | #3 | |
Drives: SIM 2010 2SS/RS LS3 LPE750 Join Date: Feb 2012
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Quote:
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02-11-2016, 01:52 AM | #4 |
Drives: 2013 2SS (sold) Join Date: Jan 2016
Location: Seattle, WA
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Ah cool, good to know. And yeah, I'm way out of my element here lol
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02-11-2016, 10:50 AM | #5 |
'It's an experiment'
Drives: [COTW 2/09/15] '11 GPI LSA SC Z/LE Join Date: May 2014
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With mine (LSA Conversion), I have mine pulling from the valley cover. My driver's side is not on the catch can.
I thought the 'dirty' part was coming from the Valley Cover -- never have had any oil build up: Passenger and Drivers valve cover vents linked: Linked to Air intake: I've never had a problem with it this way -- but I also have a vented Catch Can and Breather on the passengers valve cover: -Don
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02-11-2016, 11:02 AM | #6 |
Drives: SIM 2010 2SS/RS LS3 LPE750 Join Date: Feb 2012
Location: Mckinney, Texas
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Don't have any attachments to the valley cover on the Maggie
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02-11-2016, 11:22 AM | #7 |
Drives: 2010 2SS, 2017 Silverado LTZ Join Date: Jan 2007
Location: Denver,PA
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I have the inlet hocked up to the fitting at the rear of the drivers side valve cover. I n about 5K miles I get about an inch of oil in the can. That doesn't seem excessive to me.
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02-11-2016, 11:40 AM | #8 |
Drives: SIM 2010 2SS/RS LS3 LPE750 Join Date: Feb 2012
Location: Mckinney, Texas
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02-11-2016, 12:56 PM | #9 |
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Drives: 2011 Forged LS3 Supercharged/Cammed Join Date: Aug 2010
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That doesn't seem right at all.
I have the dual valve on my SLP charged motor and put about 2,500 miles on a year and barely have any in the thing at my once a year oil changes.
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02-11-2016, 01:32 PM | #10 |
Drives: Camaro SS2 L99 Join Date: Jul 2009
Location: Elk River, MN
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I was having the same issue but with a whipple. I capped off the driver side valve cover and connected it to the valley plate. I also have the JRE breather on the other valve cover.
put I have only had it connected that way for about 300 miles, then I had to put her to sleep during the snowy months. Also, I was recommend to switch to a thicker oil and run about 1/2 - 1 quart lower. Hope this helps. |
02-11-2016, 01:45 PM | #11 |
kstormoen - any specifics or pics on how you connected yours with a whipple? I just had my whipple installed, and have a catch can to install.
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02-11-2016, 01:59 PM | #12 |
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I have the LS3 with a Whipple, hooked up basically like yours, GNTurboray. The passenger valve cover PCV port is connected to the fresh air intake charge pipe of the Whipple. The driver side valve cover PCV port is connected to the side port of my Mike Norris catch can. The top outlet of the catch can is then routed to the PCV port on the front of the Whipple. I also have a CFM Performance, one-way PCV breather instead of an oil fill cap.
Long story short, I don't have any issues with excessive oil in the catch can whatsoever. Good luck! |
02-11-2016, 10:30 PM | #13 |
'It's an experiment'
Drives: [COTW 2/09/15] '11 GPI LSA SC Z/LE Join Date: May 2014
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A valve cover breather may help him here...
-Don
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02-12-2016, 10:03 AM | #14 |
Drives: SIM 2010 2SS/RS LS3 LPE750 Join Date: Feb 2012
Location: Mckinney, Texas
Posts: 764
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Thanks guys, I'm going with a check valve breather and a leak down test
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