How To Build A Catch Can

In this detailed how to guide, we show you how to design a catch can that actually works. With step by step instructions on what materials to buy, how to build it from scratch, and all the little tips and tricks to get the result you are looking for. This method works for both catch cans and air oil separators (aos).
Parts used for this project:
Vibrant Performance:
-10AN Male Weld Bung - 11153
-6AN ORB to 1/8npt Drain Valve - 12679
-6AN Female Weld Bung - 11161
-1/8npt to 3/8 pneumatic vacuum fitting - 2661
-3/8 polyethylene tubing - 2651
-4in O.D. universal tubing - 2877
-2in O.D. universal tubing - 2885
McMaster-Carr:
-1in O.D. universal tubing - 9056K75
-Stainless steel wool packing - 7361T13
-Aluminum perforated sheet - 9232T335
Wagoner Companies:
4" Aluminum hemisphere - B4152
4" Aluminum disk - D196
Below is the time line brake down so you you can skip ahead or come back to a specific section to watch it again.
1:06 - Intro / Fab Room
2:08 - Parts list
5:50 - Cutting the tubes
6:15 - Trick for making a straight line on a tube
6:56 - Fabrication outtakes
8:24 - Squaring up your cuts on the belt sander
8:35 - Trick for rounding a bent tube
9:17 - Cutting the inlet and outlet tubes
10:16 - Drilling the holes
10:40 - De-burring the holes
11:56 - Cutting the perforated sheet to fit
13:00 - Test fit all of the pieces
14:52 - Drill drain hole in hemisphere
15:30 - Plan the steps on how you are going to weld it up
16:54 - Weld the center tube to the middle of the disk
17:25 - Check the fit of the tubes
17:56 - Weld perforated sheet to center tube
18:15 - Check to make sure it fits one more time
18:38 - Add the second layer of center tubing and perforated sheet
19:32 - Check the fit up again
19:53 - Weld 10AN bungs to 1" tube sections
20:36 - Prep stainless steel wool for packing
21:36 - Wrap center core with stainless steel wool
23:03 - Fit 1" tubes into outer and inner tubes
23:28 - How it works
24:18 - Weld 1" tubes to outer tube
24:33 - Weld Disk to main body of the can
25:10 - Weld hemisphere to main body of the can
25:57 - Weld drain bung to hemisphere
26:18 - Final Thoughts
Don't forget to follow us on social media!
/ colab-garage-109305175...
/ colabgarage
www.colabgarage.com

[@killboydotcom]

Good info to share with the community, and refreshing to see the parts that don't always go to plan. Thanks Joe!

[@ColabGarage]

Plenty more where that came from, stay tuned!

[@c_b_3_]

Very cool step-by-step DIY. Love the up close shots. Let's see it on that BMW!

[@ColabGarage]

Check out our instagram @colabgarage for install pics on the BMW that we installed this on.