msgross

Here's my non-ford professional opinion.. My 5 year old truck had 58K on it when purchased from original owner, I installed this can @ 61K and the glass jar is what i've collected in 3,000 miles (approx 1 oz).

Most of my driving is under 50mph and truck rarely sees 3,000 rpm.

bradyjr

sounds like a good investment to me!! Btw your set up is nice and clean where did you get that can?

msgross

JLT Catch Can, I bought this one on craigslist for $40, local speed shop had it from a customers Mustang upgrade. Similar to this one https://www.jlttruecoldair.com/ZenCa...roducts_id=998

they have one specifically for the F-150 that mounts to the firewall...

Z7What

Although it does do a good job with venting it doesn't stop oil mist from traveling into your intake.

antony1103

Its not really an oil "mist", but more along the lines of an oil vapor that you are worried about. Crankcase pressures are typically very low, if not in vacuum. The stock system does the job of venting the crankcase, but your mass flow rates are so minimal that any droplets of oil typically settle before they even make it to the ventilation system. What these catch cans do is provide a large surface area to cool the crankcase vapors and condense them on the inside of the cans.

A lot of the high-end cans offer mesh screens to help further condense the vapors. From what I've researched, these do tend to collect more condensate, but most of it is just water. The increased surface area of the mesh greatly enhances condensation of water, but since oil has a much higher boiling point, just the sides of the can do the job.

SteveLord

Non mechanic type here.....

Isn't it a good thing that it's collecting something that would otherwise be in your engine bay or in the environment? What's the argument against it that people have?

msgross

In warm weather my catch can has dark oil, in wet weather it has light brown oil due to increased water vapor... Either way the stuff it's catching would be in my intake and mixing with air/fuel to be burnt, which I don't think it does very well.

beaker80

I would add some stainless steel wool loosely packed to give more surface area for the oil/water vapours to collect on. Right now your can seems to be just vapours in and out and only the walls to collect on. Like anthony1103 suggested adding a filter media helps. Look at cut-away of an RX or UPR catch can and you'll see what I mean. I personally run an RX system and it has collected a lot of condensate from my Ecoboost 3.5. More in the colder months here in Canada but still collect some in summer.

RLXXI

Buy a new truck/car and break in the engine properly and you won't need anything other than what it came with from the factory.

I've only been building engines and keeping them working for 35+ years. But hey if you want to go on what advertisers claim, grab one of those turbo intake atomizer wheels while your wallet is open. Makes the air in your engine swirl and mix with the fuel for better combustion
.

antony1103

Never thought of the steel wool, but it definitely wouldn't hurt. But yeah, make sure it's stainless and it shouldn't be a problem. It'll definitely help condense the less volatile combustion products and water.