09-09-2012, 07:54 PM | #1 |
Drives: 2012 ZL1 #450 Join Date: Nov 2011
Location: Big Spring, TX
Posts: 479
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How To Install Catch Can on a ZL1
People have been wanting a detailed write up on this. Before you go jumping me, Tracy and I resolved our differences so I went with an RX catch can. I bought it from Jannetty Racing.
First remove your engine cover Then you can locate the tubing you need to remove To remove the tubing, get a flathead screwdriver and use it to unclasp the connector Then connect the vacuum hose to the ports To mount the can, you have to attach it to the radiator shroud, and you will need a longer bolt than the one in the current housing, to get this you take it from the upper radiator mount here, I bent the bracket that came with the kit myself to help move it out of the way. Then place it between the shroud and the radiator, this makes a small gap, but I don't think it will affect cooling at all Here it is in place, the larger base diameter valve is the outlet, the one in the middle is the inlet Then I looked as I shut the hood to make sure I had clearance, I had tons After that start the engine, check for CEL, check all connections for a vacuum leak, and you are done, for those of you wondering about the mounting area being stiff enough, it is, and the rubber bumpers of the shroud and upper radiator mount look like they will absorb much of the vibration |
09-09-2012, 08:25 PM | #2 |
Drives: VR ZL1 #259/Nissan 370Z NISMO Join Date: Aug 2008
Location: Ohio
Posts: 1,071
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Why would you get a CEL?
Thanks! |
09-09-2012, 08:33 PM | #3 |
Drives: 2012 ZL1 #450 Join Date: Nov 2011
Location: Big Spring, TX
Posts: 479
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Kinked hose, leaking connection, hole in hose you don't see. Basically an increase or decrease in crank case pressure if something isn't right.
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09-09-2012, 09:43 PM | #4 |
Drives: 2023 Black ZL1 Auto Join Date: Oct 2009
Location: FEMA Region 4
Posts: 2,935
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Thanks for taking time to write this up. It really looks like an easy worthwhile mod. I need to order one.
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09-10-2012, 07:58 AM | #5 |
Drives: 2013 red Lingenfelter ZL1 Join Date: Apr 2012
Location: zionsville IN
Posts: 567
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Nice job!
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09-10-2012, 08:57 AM | #6 |
Drives: 2015 ZL1 Join Date: May 2012
Location: Gastonia, N.C
Posts: 393
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Mine has 3 valves in the top of the can.Any info on that,since it had no instructions in the box....
Thanks for the write up..
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09-10-2012, 09:29 AM | #7 |
Drives: 2017 2SS 50th Anv, 1972 RS Join Date: Mar 2009
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thanks !
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09-10-2012, 10:33 AM | #8 |
Drives: 2012 ZL1 #450 Join Date: Nov 2011
Location: Big Spring, TX
Posts: 479
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I have only ever seen the 3rd one hook up to an aftermarket intake. I would hook it up like the one listed above and put a vacuum plug on the 3rd port.
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09-10-2012, 11:41 AM | #9 | |
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Quote:
Jimmy: Great write-up man! RJ: We are putting the directions on our website actually, just reformatting them for the web. I can send you over the directions via email real quick. I just PM'd you for your email address. Single or Dual cans can be used on the ZL1's. We have been sending the latest ZL1 cans with the dual valve. Thanks Matt |
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09-10-2012, 11:48 AM | #10 |
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Drives: 2012 Camaro RS, RX supercharged Join Date: Dec 2009
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Excellent Jimmy!!!
With the dual valve, connect the secondary valve line to the air bridge or coupler so when at WOT any excess crankcase pressure is evacuated using the suction upstream of the tb. If using the single valve like Jimmy shows your fine as is. The ZL1 has a pretty effective oil trap on the cleanside (congrats GM!) so we only need to deal with the dirty side on these engines and the dual valve uses the inlet side as additional suction/evac as needed and the checkvalve prevents any mixing with the cleanside. |
09-14-2012, 07:04 AM | #11 |
Go VOLS!!!!!
Drives: ZL1 #1344 VR, M6 Join Date: May 2012
Location: Ardmore,Al.
Posts: 279
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This might be a stupid question but...... If you take the longer bolt from the upper radiator mount,what do you replace it with?
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09-14-2012, 08:21 AM | #12 |
Drives: 1970 chevelle Join Date: Aug 2011
Location: Central NH
Posts: 1,427
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Jimmy how much oil have you trapped over xxx miles and anyone with the three port can can you tell me how much oil you trapped over xxx miles and state which can you have three port or two. I have the two port and have not gotten any oil in 800 miles wondering of that's normal?
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09-14-2012, 12:53 PM | #13 |
Drives: 2012 ZL1 #450 Join Date: Nov 2011
Location: Big Spring, TX
Posts: 479
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09-14-2012, 12:53 PM | #14 | |
Drives: 2012 ZL1 #450 Join Date: Nov 2011
Location: Big Spring, TX
Posts: 479
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