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Old 12-29-2014, 05:37 PM   #1
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Breather install with a few pictures.

I decided to install the breathers on both passenger and driver side today and thought I would share a few pictures of what I did. So I went to Autozone and bought this pack of vacuum caps.

Then took off both vacuum lines and capped them. The caps in this little kit here fit real nice and are thick. Below is the cap behind the throttle body.

Below is the intake cap sitting right under the sound tube.


I didn't like how high the breather sat on the passenger side so I trimmed the grommet about 1/2 way off and now it sits as low as it can before it touched the coil cover.



After trimming it you can slide it down to the little protruding ring until it stops and your good to go. I also painted the little Blue vacuum tube that comes out of the head Black. Both vacuum tubes unscrew out of the head counter clockwise and then pull right out.




Below im test fitting it with out a clamp to see if I need to trim more off the breather.

Nope 1/2 was good enough and it fits nice and tight.

So easy I don't see why everyone wouldn't do this. The Autozone caps were 4.99, the breather were 5.00 each on Ebay. I bought the 12mm breathers but still had to drill out the hole bigger to fit the vacuum tubes.
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Old 12-30-2014, 01:10 AM   #2
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Looks good, I have read there is an additional step needed on the Passenger side to make breathers function properly. Removal of a check ball or check valve. I can't remember what is was called.
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Old 12-30-2014, 11:30 AM   #3
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This is a must do for all coyote owners IMO. Especially for those that run into questionable fuel quality. A gummed up and oily intake is a recipe for detonation.
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Old 12-30-2014, 12:21 PM   #4
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I'm installing my Bobs oil catch can this weekend. Is that sufficient or would I benefit from this too?


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Old 12-30-2014, 12:59 PM   #5
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^^ You can have one or the other, not both.
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Old 12-30-2014, 01:02 PM   #6
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But you are trading for a oily, gummed up engine compartment and having positive crankcase ventilation helps performance. I prefer catch cans.
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Old 12-30-2014, 01:31 PM   #7
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I'd also keep an eye on the breathers. I've only seen it once, on a Boss that regularly goes to 8k, but the filter actually separated from the base. The PCV gases, fumes, gunk, basically just ate away at the material and turned it to goop, and the filter popped right off.
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Old 12-30-2014, 01:45 PM   #8
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Yes on the passenger side you pop the check valve out the bottom with a small screwdriver. Many guys debate this breather mod so to each there own. I tend to trust the more knowledgeable guys on here like rapinator & grabberblue5.0. If my engine bay gets all gummed up I will be sure to let everyone know. But from what I've read from our knowledgeable members it won't gum up.

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Old 12-30-2014, 01:46 PM   #9
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Quote:
Originally Posted by iguanaman3 View Post
But you are trading for a oily, gummed up engine compartment and having positive crankcase ventilation helps performance. I prefer catch cans.
You do not get a " oily, gummed up engine compartment"

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Old 12-30-2014, 01:47 PM   #10
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Also if my 5 dollar breather falls apart in 6 months I'm just gonna go out and spend another 5 dollars and replace it. Thanks for the heads up though. I will definitely be looking for it falling apart in the future.

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Old 12-30-2014, 01:59 PM   #11
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I'd also keep an eye on the breathers. I've only seen it once, on a Boss that regularly goes to 8k, but the filter actually separated from the base. The PCV gases, fumes, gunk, basically just ate away at the material and turned it to goop, and the filter popped right off.
eh, the breathers aren't that expensive to simply replace, I just don't like the stink you get at a stop, my wife already complains about the smell of my car even with the high flow cats smh

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But you are trading for a oily, gummed up engine compartment and having positive crankcase ventilation helps performance. I prefer catch cans.

maybe if you never clean under the hood......


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Old 12-31-2014, 07:27 PM   #12
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Plus this mod is emissions illegal. EPA says no to venting crankcase to the atmosphere. It would not pass my state's yearly visual exam, let alone an engine compartment covered in an oil mist mess. Catch can for mine.
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Old 12-31-2014, 07:31 PM   #13
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Plus this mod is emissions illegal. EPA says no to venting crankcase to the atmosphere. It would not pass my state's yearly visual exam, let alone an engine compartment covered in an oil mist mess. Catch can for mine.
Omg.......it's illegal? ??????????

Who gives a F. And you won't have a oil mist under your hood. Talk to people who run them.
I had them on my stock motor and I have them on my built motor

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Old 12-31-2014, 07:37 PM   #14
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It takes two seconds to remove the breathers for emissions. Honestly to much is made of it. There's no catch can out there that will work as good as the filters.
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Old 12-31-2014, 09:09 PM   #15
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So question. Do I need a passenger side or driver side catch can. I am
Also vmp supercharged if that matters for the answer.


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Old 12-31-2014, 09:13 PM   #16
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Pros and cons of breathers? Is a pcv system helpful in removing moisture and contaminants? Can breathers trap moisture and contaminants? Is the pcv system better for dd cars vs drag/race cars? Just curious on what you guys know for fact.

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Old 12-31-2014, 09:37 PM   #17
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Omg.......it's illegal? ??????????

Who gives a F. And you won't have a oil mist under your hood. Talk to people who run them.
I had them on my stock motor and I have them on my built motor

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He made a good point - it is emissions illegal and may cause someone to fail inspection. You also made a good point you can swap out the stock setup to pass inspection. But first people need to know the risk & know that they need to save the stock parts - then have them on hand for inspection time. Not knowing could cost us a few bucks to buy replacement parts.

So people who are subject to emissions inspections - we care.
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Old 12-31-2014, 09:55 PM   #18
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Breather install with a few pictures.

Quote:
Originally Posted by ddtmoto View Post
Plus this mod is emissions illegal. EPA says no to venting crankcase to the atmosphere. It would not pass my state's yearly visual exam, let alone an engine compartment covered in an oil mist mess. Catch can for mine.

lol well yeah, off road pipes are illegal too and how many tens of thousands of people are running them? they are much more harmful to the environment than open breathers


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Old 01-01-2015, 10:14 AM   #19
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lol well yeah, off road pipes are illegal too and how many tens of thousands of people are running them? they are much more harmful to the environment than open breathers


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Arguing the point of legality by pointing out another gross offender still doesn't make it right. Railing on a guy because he chose the legal alternative is no different than me saying people that run breathers and off road equipment are part of a large scale problem of emissions.

Legal or not can breathers have a negative effect inside the engine? Plenty of brolore that goes around on this topic just looking for someone that has the facts.

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Old 01-01-2015, 12:41 PM   #20
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lol well yeah, off road pipes are illegal too and how many tens of thousands of people are running them? they are much more harmful to the environment than open breathers
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I think his post was pointing out the legality of the situation. Believe it or not, but many people don't want to violate the law. Or in my case we also can't get away with it easily.

When we do emissions testing they can catch it, fail your car and you can't license your car. <-- LFMF. Cost me ~$500 to get my exhaust legal on my first Mustang.

Unfortunately, in many places we can't get away with these mods due to inspections and emissions testing.
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Old 01-01-2015, 08:12 PM   #21
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Well I don't know how the "oil mist" is yet because my car is down right now but im going to trust that Rapinator and Grabberblue5.0 would not jump on here and say they don't have a problem with "oil mist" just to lie. If one does have a problem with "oil mist" then I would say it can also be the breather quality. Ive have breathers on my 66 and 67 mustang with no issue.
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Old 01-01-2015, 08:18 PM   #22
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Makes me wonder if no visible oil makes it past the breather then possibly it traps moisture and contaminants. Don't know just a thought.

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Old 01-01-2015, 08:20 PM   #23
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After a breather becomes saturated with oil then I would think it becomes even harder for blow by to make it out of the engine.

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Old 01-01-2015, 08:23 PM   #24
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They don't get saturated with oil. I clean mine every 3,000 miles and they are not verry oily at all

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Old 01-01-2015, 08:31 PM   #25
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You would think they would. Coyote must not make much crankcase pressure. Makes me wonder if the pcv creates the problem and catch can results are from just the vacuum pull.

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Old 01-02-2015, 04:09 PM   #26
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They don't get saturated with oil. I clean mine every 3,000 miles and they are not verry oily at all

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This^^^^ mine have been on for 6 months with no issues.

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Old 01-04-2015, 08:17 AM   #27
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My biggest concern would be with counterfits of china parts from ebay. China parts are one thing, but now you are dealing with counterfits of them. Having worked with electronic parts from china suppliers for 14 years; I would be afraid of one of these having loose items get droped in the crankcase at some point.

But it seems pretty simple, plastic and paper wrapped in a thin metal, what could go wrong?

I remember some old school push rod racers would wrap their breather in a red shop rag and cord tie them on for track use.. (zip ties were not common items back then)

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Old 01-04-2015, 10:31 AM   #28
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That's ironic. Chinese knock off's of Chinese made product. 15 years ago I would have laughed at such an outrageous idea, but now... it's happening.
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Old 01-10-2015, 02:06 PM   #29
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I took the car out last night and started to smell oil. I'm not going to like that. I'll give it a few more outings and if nothing changes I'll go catch can. I seen there is a new one out designed much better.

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Old 01-10-2015, 03:17 PM   #30
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I took the car out last night and started to smell oil. I'm not going to like that. I'll give it a few more outings and if nothing changes I'll go catch can. I seen there is a new one out designed much better.

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yup, main reason I run my Bob's catch can


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Old 01-10-2015, 03:53 PM   #31
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Guys as a newbe... What are the pros and cons of installing a catch up can ?

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Old 01-10-2015, 04:09 PM   #32
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Guys as a newbe... What are the pros and cons of installing a catch up can ?
There are lots of threads on this mod. There are 2 threads just on the first page of this fourm.
Im not going to count out the breathers just yet but I turned my heater on last night and it was very noticable. Might take the car out on my days off and see if it keeps doing it. If so no harm done because it was less then 20$ to try it and I can say been there done that and lesson learned.
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Old 01-10-2015, 08:48 PM   #33
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Some 5.0s have more blow by than other coyote motors. There are some of our motors that use considerable more oil between changes than others. Those motors would really stink blowing their mist out thru a breather. The only negative thing about a catch can is the fact that Ford, and other manufactures, save a few bucks and don't design them in from the factory.
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Old 01-18-2015, 01:15 PM   #34
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I just bought the UPR catch can from Joe. The breathers are a easy install but for me the smell of oil was not worth it to me. I smelt oil when I turned my heater on and after parking in the garage. It was worth a try and no harm done. I will post a UPR install and review when I get it.

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Old 01-18-2015, 03:31 PM   #35
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Only con installing a catch can is having to empty it and it is possible to develop a vacuum leak depending on can design. Also, depending on how good the can filters you can still have some oil make it by the can. UPR has one of the best designs I have seen to date. Their new 4 stage can.

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