How To Install EUROCOMPULSION Catch Can Kit - Fiat 124 Spider Forum
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post #1 of 148 (permalink) Old 06-27-2017, 02:09 PM Thread Starter
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How To Install EUROCOMPULSION Catch Can Kit

How To Install EUROCOMPULSION Catch Can Kit


Overview:
Owners have reported finding oil in their intakes, especially on vehicles driven in a spirited fashion. Since oil coating the intercooler reduces its efficiency and leaves a mess around the intake, a catch can is a good solution to keeping oil out of the intake. This tutorial walks you through the installation of the EUROCOMPULSION Catch Can kit on a manual transmission 124 Spider.

Tools Required:
- 12mm socket & ratchet
- 4mm hex bit
- Recommended: Hose Clamp Pliers (Available on Amazon.com)
- Optional: Ft-lb & in-lb torque wrench.

Notes:
- You can open hose clamps with regular pliers, but I've found that using hose clamp pliers makes it far easier to work with them and reduces the risk of them slipping off and flying in random directions. This is a tool every home mechanic should have available.
- EUROCOMPULSION supplies worm gear hose clamps for the installation of this kit, which are just fine for this application. I sourced my own hose clamps since I prefer using them over worm gear hose clamps.

Part Required:
EUROCOMPULSION FIAT 124 Spider Catch Can Kit

Procedure:
1. Begin by removing the hose connected by the following hose clamps:


2. Install the supplied catch can hoses where the OEM hose used to be:


Reference this picture for steps 3-7:


3. Remove the 12mm bolt to the left of the brake lines and loosely tighten the supplied bracket.

4. Attach the other ends of the hoses to the catch can. Note: it doesn't matter which way they are connected.

5. Attach the catch can to the bracket using the supplied 4mm hex bolts.

6. Tighten the 12mm bolt to approximately 25 ft-lb.

7. Tighten the hex bolts to approximately 25 in-lb.

8. Once you're done, it should look like this:


Note: You can change the orientation of the catch can to suit your preferences, but I found this alignment worked best.
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Last edited by XtremeRevolution; 12-26-2018 at 11:47 AM.
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post #2 of 148 (permalink) Old 06-27-2017, 05:14 PM
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I think I put somewhere close to 1400-1600 miles on the car this past weekend for the Twisted Sisters drive. Many of those miles were full tilt on open road and at very high speeds.

By the time we arrived back, Jordan checked the catch can and it was pretty full. Reminded us how useful it really is!

Thanks for the great write up!

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post #3 of 148 (permalink) Old 06-28-2017, 09:35 PM
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Originally Posted by [email protected] View Post
I think I put somewhere close to 1400-1600 miles on the car this past weekend for the Twisted Sisters drive. Many of those miles were full tilt on open road and at very high speeds.

By the time we arrived back, Jordan checked the catch can and it was pretty full. Reminded us how useful it really is!
This just goes to show how much driving style can affect the rate at which oil accumulates in the catch can. In normal usage it's not much. Typically after about 1000 miles of normal but let's say spirited street driving, I'll see perhaps one or two fluid oz of oil in there, meaning not much.

At the Twisted Sisters event, Toby and Bryan from NGen drove that car like they were in the Cannonball Run. It's a long story, but they had to go a long way really fast to pick up a U-Haul before they closed. Under that type of driving, not only does the engine throw out a lot more oil, but it doesn't get a chance to drain back from the lines into the engine before entering the can. Thus they were able to fill the can in about 1000 miles of driving.

I am really happy with the functionality of this product.

Greg
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post #4 of 148 (permalink) Old 07-04-2017, 02:47 PM
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Is this recommended for everyone? Looks like an easy DIY for such an improvement.

124 Abarth - red.
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post #5 of 148 (permalink) Old 07-04-2017, 03:23 PM
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What's the fitting at the catch can for? Are the hoses different sizes?
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post #6 of 148 (permalink) Old 07-04-2017, 09:29 PM Thread Starter
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Quote:
Originally Posted by Lord_GalAthon View Post
Is this recommended for everyone? Looks like an easy DIY for such an improvement.
To keep the intercooler clean long-term, I would recommend it for everyone. It's an affordable mod with real benefits and an easy install.

Quote:
Originally Posted by compactdan View Post
What's the fitting at the catch can for? Are the hoses different sizes?
Yes, the hose ends on the other side are different sizes, so the fitting (which is included in the kit) steps down to a smaller size.
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post #7 of 148 (permalink) Old 07-04-2017, 09:54 PM
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HI, where is the oil coming from ? is this oil supposed to return to the engine or lube the Turbo ? If the oil is not caught where does it end up ?


Sorry for the questions, but this seems bad Engineering from FCA !
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post #8 of 148 (permalink) Old 07-04-2017, 10:26 PM
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HI, where is the oil coming from ?
It escapes out the breather due to crank case pressure. Most of it is caught by the factory air/oil seperator, but some makes it past, and from there goes through the turbo and then the intercooling system and ultimately into the combustion chamber.

Quote:
Originally Posted by CANABARTH View Post
is this oil supposed to return to the engine or lube the Turbo ?
No absolutely not. It serves no practical function once it escapes, it simply contaminates things and ultimately burns up in combustion.

Quote:
Originally Posted by CANABARTH View Post
If the oil is not caught where does it end up ?
See previous answers.


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Originally Posted by CANABARTH View Post
Sorry for the questions, but this seems bad Engineering from FCA !
I wouldn't call it bad engineering. The stock system, like everything else on every car is designed to function within certain parameters and at a certain cost. That's where the aftermarket comes in. We can make it better, but at some cost.

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post #9 of 148 (permalink) Old 08-17-2017, 10:34 AM
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Is the stock air/oil separator basically just a smaller catch can than the Eurocompulsion version? If so, what happens to the oil that accumulates there? Does it have to be periodically drained?
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post #10 of 148 (permalink) Old 08-17-2017, 02:19 PM Thread Starter
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Originally Posted by What'sHisName? View Post
Is the stock air/oil separator basically just a smaller catch can than the Eurocompulsion version? If so, what happens to the oil that accumulates there? Does it have to be periodically drained?
It automatically drains back into the sump as oil vapor is condensed.
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