Oil catch can question with video

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Jan 4, 2025 | 04:11 PM

Houston_t

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Oil catch can question with video

The video is about 15 minutes but you can see the plans in the first couple minutes.

I plan on running similar valve covers on my 01 LS1 and my new throttle body also deletes the port that would run to the valve cover so I am wondering if this would be the correct way to incorporate a catch can. Are there any other things to consider, should I run an inline pcv valve, kinda new to the catch can and aftermarket valve covers so I want to get this right the first go round.

Jan 5, 2025 | 02:08 PM

91 Z28

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From: Armstrong BC

I run -12 an lines off each valve cover to my catch can without issue

Jan 5, 2025 | 04:36 PM

Houston_t

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Quote:

Originally Posted by 91 Z28

I run -12 an lines off each valve cover to my catch can without issue

Got new covers and they only have like a 3/8 port on them, don’t want to have a bung welded in.

Jan 5, 2025 | 04:39 PM

91 Z28

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From: Armstrong BC

Quote:

Originally Posted by Houston_t

Got new covers and they only have like a 3/8 port on them, don’t want to have a bung welded in.

I didn't do that either I used motion race works bolt on breathers

Jan 5, 2025 | 05:11 PM

Houston_t

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Quote:

Originally Posted by 91 Z28

I didn't do that either I used motion race works bolt on breathers

Was that easy to install ? I was looking at them, just ordered their throttle body this morning.

Jan 5, 2025 | 05:13 PM

91 Z28

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From: Armstrong BC

Quote:

Originally Posted by Houston_t

Was that easy to install ? I was looking at them, just ordered their throttle body this morning.

It's really straight forward. Mark it out, drill the hole and file it to size then bolt it in and good to go. Took me like 20 minutes

Jan 5, 2025 | 05:20 PM

Houston_t

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Quote:

Originally Posted by 91 Z28

It's really straight forward. Mark it out, drill the hole and file it to size then bolt it in and good to go. Took me like 20 minutes

So did you use a vacuum source or just a port from each cover straight to the can ? What can did you use ?

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Jan 5, 2025 | 05:37 PM

01CamaroSSTx

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From: Conroe, Texas

I purchased some 1/2" NPT to 10AN male fittings and drilled and tapped the LS7 valve covers and ran them to a single breather catch can.

6AN is too small if you ask me.

On the 99 car I ended up running 10AN lines of each valve cover to their own breather cans and mounted them underneath the headlights.