Catch can a must on DI motor
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2008-2013 Cadillac CTS Performance Mods Discussion, Catch can a must on DI motor in Cadillac CTS Second Generation Forum - 2008-2013; ...
  1. #1
    jbelot's Avatar
    jbelot is offline Cadillac Owners Member
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    Catch can a must on DI motor

    If you donít have a catch can on your DI motor, get one! I installed mine at around 50,000km. Yesterday I installed my isolator and had to remove the top end of the motor. With a flash light I could look down the port and see my valves. They are coated black and flaking carbon chunks. I did an upper induction cleaning and oil change the weekend before so it may have been cleaner but I was absolutely shocked at what I saw. I couldnít get enough light down the hole to get a picture but Tracy has posted enough so you can get the idea.

    As I said above I was installing the isolator this weekend and took the car for a boot this morning. It rips! What a change with such an easy and inexpensive mod. Iím a fan and advocate for RevXtreme. A wrench, couple of sockets, gasket material and a few hours is all it took.

    I took a bunch of pictures, Iíll see if I can post them.

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    jbelot's Avatar
    jbelot is offline Cadillac Owners Member
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    Re: Catch can a must on DI motor

    Well my picture file is to big. I guess I should have taken the pictures with my phone. I will figure it out later.

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    reciprocity is offline Cadillac Owners Fanatic
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    Re: Catch can a must on DI motor

    If you have iPhoto or a similar photo editing program, you could export the photos at a different size using that. If not, there are online services like resize2mail (never tried it before but it looks promising) that should allow you to downsize your photos pretty easily.

  5. #4
    jbelot's Avatar
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    Re: Catch can a must on DI motor

    That's what I need to do. I'll give it a shot later. Thanks!

  6. #5
    jagi0966 is offline Cadillac Owners Member
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    Has anyone had a freezing issue with the catch can or extended lines? I expect the extended lines away from the heat of the engine will collect moisture and have potential to freeze up and not allow the engine to breathe.

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    Re: Catch can a must on DI motor

    We have over 11,000 in use over the past 9 years and have had 1 customer in north dakota that had the valve freeze in subzero temps.....but that is the only issue we have heard of to date. It is important to drain with the engine warm, and not running and in cold climates all cans will condense and catch a good deal of moisture so they fill much faster. It will look like nestle quik!

    D VADER and D VADER like this.

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    jbelot's Avatar
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    Re: Catch can a must on DI motor

    If the valve freezes, what issues should I be looking and listen for. I am in Canada and it gets darn cold here for a good 3-6 weeks. Thanks for the heads up on draining for the moisture when it`s colder!<

    And once again. SC2150 makes great products. BUY THEM! I am not related at all, just a happy customer!

  9. #8
    smithb is offline Cadillac Owners Enthusiast
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    Re: Catch can a must on DI motor

    If you open the file in Paint, which I'm pretty sure every copy of Windows comes with, you can shrink the file size using Resize (I think it is called). Also, if you just open and resave it, Paint does a better job of compressing the file as a jpg.

  10. #9
    JusJZ is offline Cadillac Owners Member
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    How do you shrink on an iPhone?

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    Thread Starter

    Re: Catch can a must on DI motor


  12. #11
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    Re: Catch can a must on DI motor

    I finally took the time to put up these pics. Look at all that oil prior to the catch can. The throttle body was caked with oil. I did upgrade to the RX ported and polished TB and these pics where taken when I installed the RX Black isolator. This is why a catch can is a must. I wish I could have shown the valves, I felt sick when I took a flash light and looked down the ports. The valves are completely coated. I will be going through a cleaning regiment with every oil change until they are clean again.

    ----------

    I did the shrink through Piacsa 3 by exporting them to another file.

  13. #12
    unitymixer is offline Cadillac Owners Member
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    Re: Catch can a must on DI motor

    sorry to ask but, could you explain to me how it works ( for a Green like me) , how to oil return to the engine from the catch can.

    thanks.

  14. #13
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    Re: Catch can a must on DI motor

    You dont ever want to return the oil caught in a catchcan to the engine crankcase as it is chock full of damaging compounds (abrasive carbon particles, sulfuric acid, water vapor, unburnt fuel, etc.) The catchcan traps the oil before it ingests and causes the issues so the trapped oil is disposed of.


  15. #14
    X E Ryder's Avatar
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    Re: Catch can a must on DI motor

    I have asked which part number to order for a '12 coupe and not received a response.

    Me <-- I'm a buyer, ready to purchase a catch can.

    Why do some have single/double check valves etc?

  16. #15
    SC2150's Avatar
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    Re: Catch can a must on DI motor

    Sorry, just saw this post.

    Single valve is for a NA application, dual for forced induction that pressurizes the IM.

    Call us direct for any questions: 941-721-1826

    You may have to leave a message, but we will get back to you.

    RX Performance Products/RevXtreme.com 941-721-1826

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