MannyS
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If I'm not mistaken the 2.7 and 3.5 have dual injection. It has direct injection and port injection. The port injectors spray fuel directly on the on the intake which helps keep them clean and prevents build up.
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steve973
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If there is no current solution to add an auxiliary fuel rail for the Ranger's 2.3L ecoboost (i.e., if the options for the mustang will not fit), then I imagine that it will be available eventually and before super significant coking occurs. So, we can just add the port injection kit of our choice if we really want to do that. Other solutions, like methanol, work even better to keep the valves clean. So at least there are options. And if you object to this, which would be reasonable, I understand that it would just be easier if it came from the factory that way. But the people who are concerned about this are probably in the "enthusiast" category, and it's just really fun to install the mods that you find to be useful!
HenryMac
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I'm still not convinced that on our Rangers the cans are a good thing. Most of the photo's I've seen of what the cans are catching is fuel. That fuel when piped back into the intake of the engine will wash the back of the intake valves and help remove any carbon deposits.
Without a side by side comparison of (2) motors running in the same scenario, one with a catch can, one without, we'll never really know if the catch can helps the carbon issues... hurts the carbon issues... or does nothing at all.
You'd think one of the companies selling them would perform such a test.... if in fact they are as good as what they are advertised to be.
RCMUSTANG
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There definitely is a measurable amount of oil. In colder weather I've picked up a ton of condensation on top of that. If anyone thinks it's catching mostly fuel you're mistaken. If that much fuel is being caught you've got serious issues with your rings. I can tell you I don't small any fuel whatsoever in my catch can. I can smell the oil.
Gecko157
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Kiran04
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The 2.3L already has an air/oil separator. It's my understanding that it even returns oil to the crank case. If that's true, why would you pull that oil out and dump it? I won't be installing one in my truck. I've also heard they can cause problems when the contents of the catch can freeze, since they do get water in them, and it gets pretty dang cold here in the winter. The pond nearby already has a pretty significant sheet of ice on the surface that's only growing by the day. I don't need to add problems to my vehicle maintenance.
Peterzo
Member
250 miles, 90% fuel 10% oil using the paper towel method. Sort of accredit using the can to help build up not accumulating elsewhere, like the aftercooler. Surely don't care for the idea of it returning to the crankcase. Worthy in my opinion.
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u wish u could ride
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is it going to the crank case or being ignited ?.if the catch cans job is to stop it from collecting on the back side of the intake valve its going to get burned no? is the catch can before or after the stock separator?250 miles, 90% fuel 10% oil using the paper towel method. Sort of accredit using the can to help build up not accumulating elsewhere, like the aftercooler. Surely don't care for the idea of it returning to the crankcase. Worthy in my opinion.
Peterzo
Member
You are totally correct pretty much straight into the intake.... so why not put something in place to to capture what you can? (that's a pun for fun "can"). Or just let it pollute your engine intake stream? We all have options, I opt to not let my engine digest this muck. "The real test" for all the critic's, stick a nox / co / voc's analyzer in the exhaust stream (pre catalysis) be interesting to see the results, can verses no can?
u wish u could ride
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your are right about about a lot of muck for sure!but lets say ford in all their wisdom cheated and uses this muck to wash the valve ? (I am not even close to being a mechanic but the fuel amount they are catching is suspect no?)
RCMUSTANG
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Where does everyone get that that's fuel? I've had mine since 1700 miles. Even after I tied into the breather side I never had anything but oil until it became much colder. I now gets tons of condensation asking with the same amount of oil mixed in.250 miles, 90% fuel 10% oil using the paper towel method. Sort of accredit using the can to help build up not accumulating elsewhere, like the aftercooler. Surely don't care for the idea of it returning to the crankcase. Worthy in my opinion.
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