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Old 10-01-2015, 11:34 AM   #36
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Originally Posted by NoTop5.0 View Post
It's ok if you're not comfortable using these. Not a big deal. Just don't scare other people into not using them. PCV valves are just to vent extra pressure in the crankcase, it will not suck in as it is a one way valve. Stop capitalizing words, i can read english lol.
=======================================

its more than simply "venting extra pressure"

creating a vacuum, and pulling air throughout the entire crankcase is vastly different.

continuously sucking that air through the crankcase results in the less sludge buildup, period.

reducing the volume of air with a smaller PCV valve may create a less than desirable effect.

this makes sense to me...... but then perhaps my facts are incorrect.

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Old 10-01-2015, 08:04 PM   #37
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How long did you have the JLT?

Is your o-ring visible when the can is closed? I remember the "manual" said something about should not be able to see the o ring... I think..
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Old 10-02-2015, 06:07 AM   #38
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Breathers, and regular cleaning of your valve covers.
I put the breathers on my car from day one. New 2014 GT by the way. I ordered the breathers before the car even came in. I have 4000 miles on the car and don't have one drop of anything on my valve covers. Plus its nice knowing there is zero oil going into my intake.
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Old 10-02-2015, 06:32 AM   #39
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Okay, I'm just throwing this out there. I really don't understand what a catch can does and why its beneficial to have one? Is it a great idea too have a catch can regardless of ones driving habits. I just don't understand what's beneficial in having this?

Will an engine last longer with a catch can compared to the same engine without a catch can?

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Old 10-02-2015, 07:25 AM   #40
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Okay, I'm just throwing this out there. I really don't understand what a catch can does and why its beneficial to have one? Is it a great idea too have a catch can regardless of ones driving habits. I just don't understand what's beneficial in having this?

Will an engine last longer with a catch can compared to the same engine without a catch can?

Non 🍼and non 🌽fed. I $uck!

Catch cans stop oil vapor from venting out of your crankcase through the PCV system and coating the inside of your intake. Any car can be affected by this issue but boosted cars in particular are subject to this more so. Oil in your intake means oil in the air fuel mixture. Which means detonation, poor fuel mileage, and oil consumption. Who wants any of that?


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Old 10-02-2015, 07:54 AM   #41
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+1 Breathers
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Old 10-02-2015, 08:01 AM   #42
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also oil buildup on the back side of the those hot, hot valves & valve stems.

It's much different today with the tight design/build tolerances

One should also consider the Coyote's high compression ratio of 11:1

11:1 is serious compression, boys.

Regular gas with 10% ethanol ? - not on my watch

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Old 10-02-2015, 09:51 AM   #43
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Is your o-ring visible when the can is closed? I remember the "manual" said something about should not be able to see the o ring... I think..
No the O ring is totally covered. Makes for a finished one piece look.
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Old 10-02-2015, 12:50 PM   #44
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Which Catch Can is Best?

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Originally Posted by scurfie View Post
No the O ring is totally covered. Makes for a finished one piece look.

That's odd, this is what mine looked like before the O-Ring came apart...
Click image for larger version

Name:	ImageUploadedByTapatalk1443808159.037582.jpg
Views:	88
Size:	181.8 KB
ID:	191759

Ran by my local Ford dealership and he noticed that as well. He has multiple 5 liter Mustangs....
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Old 10-02-2015, 01:09 PM   #45
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That's odd, this is what mine looked like before the O-Ring came apart...
Attachment 191759

Ran by my local Ford dealership and he noticed that as well. He has multiple 5 liter Mustangs....
When I get back home I'll post a pic.
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Old 10-02-2015, 01:16 PM   #46
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Video is kind of long but it shows the can
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Old 10-02-2015, 03:09 PM   #47
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I found a O-ring that fits perfectly at work. Anyways, look like I have the old revision can... New revision includes this smaller filter: New & Improved JLT Oil Separator Filter [JLT-OSSF] - $6.95 : JLT PERFORMANCE, Home of the JLT TRUE COLD AIR KIT
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Old 10-02-2015, 10:07 PM   #48
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I'm thinking I like the idea of having a catch can but the prices seem to be just over my 'dollar per I don't care that much' price point.
If they were fifty bucks? Yeah, ok then.
I'd be more inclined to fall for the ZMaxx total engine protection and super micro nano Teflon coated bonding hyper molecule sham because it's only like $29.99
Peace of mind right there for less than a carton of smokes.
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Old 10-02-2015, 10:33 PM   #49
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I ordered a new rev. filter for my JLT, was $11 for 2 of them... I'll let you guys know how it works! If you buy it direct from JLT after 2013 it "should" come with the new rev. filter. American Muscle must have had a TON of the older rev. models because that's what I got and mine isn't even 6 months old...
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Old 10-02-2015, 10:41 PM   #50
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I'm thinking of adding a JLT catch can to the driver side too.
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Old 10-03-2015, 04:43 AM   #51
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here's a "flow chart" LOL diagram of how the PCV system is designed

http://www.agcoauto.com/content/imag...g_moisture.jpg

pcv_function.gif gif by RevXtreme1 | Photobucket

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Old 10-04-2015, 08:34 AM   #52
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you're right
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