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quick question so i dont have to start a new thread - I remember i looked at catch cans way back when (RX or RXP i think ) and i was about ready to buy but then got worried i would forget to drain and wreck the engine...anyways i am now having fuel in the oil issue, had the TSB reflash of the ecu and its back ... they are going to look at more expensive bits next and i would rather take that money and spend it on a GOOD catch can setup with a HUGE can as i am in Canada and the winter i am told will have me draining daily if i do not buy a big one. Can someone point me to a registered vendor who we trust as theres lots of copys these days. Also do members of the forums ever get discounts, i could use them thanks to our lovely exchange rate and delivery costs
 
quick question so i dont have to start a new thread - I remember i looked at catch cans way back when (RX or RXP i think ) and i was about ready to buy but then got worried i would forget to drain and wreck the engine...anyways i am now having fuel in the oil issue, had the TSB reflash of the ecu and its back ... they are going to look at more expensive bits next and i would rather take that money and spend it on a GOOD catch can setup with a HUGE can as i am in Canada and the winter i am told will have me draining daily if i do not buy a big one. Can someone point me to a registered vendor who we trust as theres lots of copys these days. Also do members of the forums ever get discounts, i could use them thanks to our lovely exchange rate and delivery costs
Hey man, I live in NS and I drain mine once every week or two. It really depends on how much blow by your motor allows and how much water condensation you get as well. I don't get much water in my can therefore longer drain intervals. It's mostly oil/gas mix so it doesn't freeze.

In the summer I get roughly 50ml every drain. In the winter it's maybe a little more.

When I did the research and bought mine (UPR dvcc and css) UPR was regarded as the best design. I have a 2017 2.7 btw

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I don't think you'll find anything that collects, diverts, or modifies PCV gasses to be CARB compliant. For this, they need to go back through the intake to be burned as the motor was designed. The connectors are plug and play depending on which one you buy, so it would be really easy to return to stock and then reinstall again. You'd probably fail a visual smog inspection with a CC on there.
 
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I have the Team RXP Dual system. I have to empty it at every gas fill-up (about 500mi). I’ve had lab analysis on my oil and they say it looks really good. So I’m guessing I just have one of those 3.5’s that produce tons of gunk.


2013 F150 XLT 3.5L SCrew. AFE Magnum Force Stage-2 Dual 3-1/2" CAI, Mishimoto Performance Intercooler with Pipes, TurboSmart SP Supersonic BOV Kit , Team RXP Heat Exchanged Dual Catch Can, AEM Coil Packs, SCT/Bully Dog BDX Tuner w/5* Tuning Custom Tunes, AFE Atlas 4" Aluminized Steel Cat-Back
 
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This was very interesting to see. I also installed the UPR* catch can and here is a video of how much oil\gas it catches. I drive maybe 500 miles a week and highway driving mostly. Now that summer is coming and temps getting a little warmer I drain a little less. Whereas I used to drain a grande Starbucks coffee cup every fill-up. The truck doesn't seem to be losing oil. I checked it frequently and it always seem fine.

 
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I’ve had a UPR DUAL MEGA CATCH CAN brand new sitting in a box since 2015..guess I should really get it installed !, lol..sad I do all the maintenance even flushing rad, even changing the brake fluid ,and I keep forgetting to get this installed..lucky Ive only got 22k miles guess I need to hook up my snow/meth kit back up to clean the valves..
 
So has anyone figured out why some trucks have a lot of blowby and others do not? Is this simply differences in the piston ring seals? Or is it a sign of premature wear on some trucks?

I think most agree that short trips in cold or humid climates produces the most amount of junk in the CC.
Definitely humidity, climate, off roading, open cold air intake, not well maintained oil changes or filters, bad fuel, cold starts, and Gen 1 3.5EB didn’t havt dual port injection. So dirty valves.
 
Gotta do the Italian Tuneup at least weekly. Did mine last night. Pull onto the highway slowly let it shift to 3rd then nail it shifts down to 2nd and have to countersteer to hold it in my lane and hit 100 mph VERY QUICK. All stock except tire size.
 
Gotta do the Italian Tuneup at least weekly. Did mine last night. Pull onto the highway slowly let it shift to 3rd then nail it shifts down to 2nd and have to countersteer to hold it in my lane and hit 100 mph VERY QUICK. All stock except tire size.
Arkansas, do you have a catch can or just maintain good oil change interval and do the Italian tuneup? I have a 2015 2.7 with 107,000 miles and wondering if I need a catch can. I bought the truck used and don’t put miles on like the original owner.


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I cleaned the valves on my truck when I did my timing chain. Got about 90% of the buildup. I also do oil changes at 3000 mi. I am now convinced that the amount of stuff accumulated in a catch can is simply a function of the outside temperature. In winter I would get a lot, in summer practically nothing. It is counter intuitive to the heating/cooling and expansion of metal to think that much of this is blow-by, otherwise summertime would yield an appreciable amount of liquid, but it doesn't. Especially when towing and the motor is under increased fuel dumps and higher boost. It just doesn't add up.
 
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Arkansas, do you have a catch can or just maintain good oil change interval and do the Italian tuneup? I have a 2015 2.7 with 107,000 miles and wondering if I need a catch can. I bought the truck used and don’t put miles on like the original owner.


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No catch can and no weep hole. Apparently I don’t need either. You don’t need either, either lol
 
The only reason I put on the can was because I was ingesting gunk from the CAC. I think whether you need the weep hole or not depends on where you live. Even performing an Italian tune up every once in a while isn't good enough in certain parts of the country. While I have changed my view on the dual valve catch can, in the case of the weep hole, I feel it was necessary to fix the problem I was seeing and it did just that. After I drilled the hole, I no longer had the shudder/stumble on acceleration.
 
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The only reason I put on the can was because I was ingesting gunk from the CAC. I think whether you need the weep hole or not depends on where you live. Even performing an Italian tune up every once in a while isn't good enough in certain parts of the country. While I have changed my view on the dual valve catch can, in the case of the weep hole, I feel it was necessary to fix the problem I was seeing and it did just that. After I drilled the hole, I no longer had the shudder/stumble on acceleration.
I live in a very humid climate, most of the year.
 
If i had to guess it would be cold and humid climates that are the worst. Cold because it would mean the cac is much colder and can more effectively condense things out of the air.

Same reason our catch cans fill so much faster in the winter.
 
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