LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Catch Can - LT1 with Boost

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Old Jan 25, 2018 | 11:24 PM
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Default Catch Can - LT1 with Boost

So on the drivers side of my intake (not sure the Brand) my PCV valve hose comes out and does a quick 90 and then another quick 90 back into the intake. Do I install my catch can between those two hoses? Aswell this is on a boost car but I don’t have any valve cover breathers or a breather on this catch can. Is this something I need?
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Old Jan 26, 2018 | 11:34 AM
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Had same issue talk to mighty mouse.. Google search his catch cans he has a app that will walk you through everything you need. He helped me find the right can.. it's easy to hook up... yes be good idea to have one o
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Old Jan 26, 2018 | 12:46 PM
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I have a MM PCV can on my setup. So far I'm very happy with it. I have the PCV port in the intake to the inlet of the can. The outlet has a check valve (for boost) and connects to the port under the throttle body on the intake. I run one valve cover breather and the other side is sealed. Seems to work well.
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Old Jan 26, 2018 | 03:54 PM
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https://www.mightymousesolutions.com



Here you go
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Old Jan 26, 2018 | 06:15 PM
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Originally Posted by detroit_903
Thanks! I’ve actualy just messaged him today! I sent him some pictures of my valve covers and set up!

Thanks!
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Old Jan 26, 2018 | 06:21 PM
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Originally Posted by Blackbirdws6
I have a MM PCV can on my setup. So far I'm very happy with it. I have the PCV port in the intake to the inlet of the can. The outlet has a check valve (for boost) and connects to the port under the throttle body on the intake. I run one valve cover breather and the other side is sealed. Seems to work well.
That sounds a lot easier then I was thinking!! Do you see a lot of oil in the can?

My intake must be from a 93 as it has the PCV valve and then goes a 180 basically and routes right back into the intake as seen in this picture! Did he sell you the valve cover breather?
Attached Thumbnails Catch Can - LT1 with Boost-94db4ad5-2a07-4f0d-8b4b-6fcfe189b59a.jpeg  
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Old Jan 27, 2018 | 12:24 AM
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That is not factory. The routing is but I'm pretty sure that red elbow is a spark plug wire boot. It should have been one 180 hose and a valve. Not that it matters anymore since you're taking it out for a catch can.
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Old Jan 28, 2018 | 07:49 PM
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See the picture below of mine. I have mine coming off the driver side valve cover to the can, then it routes to the little port fitting sticking straight out under your throttle body. Running it off the stock PCV port in the side of the intake is the same thing.

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Old Jan 28, 2018 | 08:14 PM
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Originally Posted by Snorkelface
See the picture below of mine. I have mine coming off the driver side valve cover to the can, then it routes to the little port fitting sticking straight out under your throttle body. Running it off the stock PCV port in the side of the intake is the same thing.

I purchased a catch can off eBay a while ago. I’d prefer not to buy a new one but I def can if this might mouse one seems better. Can I just put it between that PCV valve and then where it enters the intake 180degrees from that? It’s not a special boost can though or have a filter on the top! No sure if that’s needed or not.
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Old Jan 28, 2018 | 08:52 PM
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Originally Posted by Greg88
I purchased a catch can off eBay a while ago. I’d prefer not to buy a new one but I def can if this might mouse one seems better. Can I just put it between that PCV valve and then where it enters the intake 180degrees from that? It’s not a special boost can though or have a filter on the top! No sure if that’s needed or not.
That's all that's basically required. You're just keeping the stock routing which is good. Mine is off to the side just because I found space there
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Old Jan 30, 2018 | 08:20 AM
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SO might mouse suggested this:

Run passenger side valve cover tube to inlet of can

Block off TB with cap

Run vacuum barb that is currently hooked up beside PCV valve to exit of catch can

Run PCV hose to supercharger intake


To me this doesn’t sound right as the PCV will end up dumping into the SC inlet? I almost assuming the PCV exits from motor and doesn’t enter there?

I made a shitty small drawing
Attached Thumbnails Catch Can - LT1 with Boost-77d4746e-72c9-4083-a822-0cab79fcd267.jpeg  
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Old Jan 30, 2018 | 10:26 AM
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Just spoke w might mouse. He cleared up everything for me. His system makes sense now! Guess it’s time to drop some $$!
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Old Jan 30, 2018 | 11:11 AM
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Originally Posted by Greg88
Just spoke w might mouse. He cleared up everything for me. His system makes sense now! Guess it’s time to drop some $$!
My apologies for not paying attention it was one with boost. I agree, spend the money and get one with pressure relief. It's nice and easy to incorporate.
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Old Jan 31, 2018 | 07:30 AM
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I have a MM draft can on mine, and it does a good job of getting vapors under control at idle.
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Old Jan 31, 2018 | 08:01 AM
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Originally Posted by Shownomercy
I have a MM draft can on mine, and it does a good job of getting vapors under control at idle.
Good to hear cuz I just ordered mine!
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