I recently purchased a new 2020 2.7L Ecoboost. After a lot of research, I was planning on adding 2 updates to the engine — an oil collection can in the Crankcase Ventilation hose to prevent valve coking, and a cold air intake. This morning, I mentioned this to the Maintenance team leader, and she said if I do it will void my power train warranty. She said the FORD Warranty team requires them to answer 2 upfront questions: Q1: Are there any modifications to the truck? And Q2: Are there any signs this vehicle is used for commercial purposes?

I can’t see how removing the oil from the manifold or increasing airflow would negatively pact the power train. But I cannot afford to give up the warranty so I will run stock for 36,0000 miles. Apparently I can put aftermarket airfilters in the stock Ford Air intake box, but I cannot change out the box.

What upgrades if any do you who buy a new F150 do while it’s under warranty?

 

An aftermarket intake will not increase the airflow. The stock intake is a very efficient cold air intake the way it comes and can pass more air than the engine can use. Some aftermarket intakes will actually hurt power. In order to realize any gains from an aftermarket intake you would need some additional mods and a tune.

 

Where can I get trusted info on these mods? I have seen several owners claiming HP Gains from adding just a cold air intake kit. So truck accessory distributors’ YouTube videos are just marketing hype? Imagine that! Many are saying add the Oil Separator to CCV for engine longevity. and Swap out the stock air intake and realize a 2-3 MPG economy gain with a corresponding 30ish HP gain. It makes sense not to put the used blow-by oil back into the manifold. I’m unsure about the cold air intake.If I increase air flow, will the computer increase fuel to keep the F:A constant?

If I could increase HP, will MPG actually go up to? I could see that if the HP gain came at the same fuel consumption I would get a MPG increase. But if the HP gain comes by burning more fuel then economy would drop.

After 1500 miles, I’m getting 22.2 MPG in city/county driving and 28.3 highway MPG. Truth is I’m very pleased with the acceleration when those turbos kick in and compared to the 17/15MPG i get with my 2011 F150 5.0L, I’m ecstatic.

The bottom line is I am still unwilling to jeopardize my warranty for any mod.

 

If you look carefully at the design of the aftermarket "Cold Air Intakes" you'll see that they are actually "Warm Air Intakes", because they pull the air from inside the engine compartment. The OEM intake gets it's air from outside that boundary, where the air is cooler.

I can't say too much about the oil separators, except that there is really not very much oil that gets lost due to blow-by in a well-set up engine. My engine, for instance needs NO additional oil between oil changes and I don't see a reason to add something like a "catch can" for that problem.

Yes, I think the HP and economy gains claimed are mostly sales hype. It sounds like your truck is doing very well in its stock configuration. It ain't broke, don't "fix it".

- Jack

 

The airflow will not increase. It's not physically possible, the stock intake provides all the air volume the engine can use unless you do some pretty heavy mods and retune the PCM.

Oil separator is not needed with the dual port and direct injection system starting in 2019 on the 2.7.

 

I would leave it alone, and just invest in money to keep it running.

 

Thanks ManualF150. A few others have suggested the same. I’m going with the new truck as Ford designed it. It ain’t broke. I’ll consistently change oil and run top tier fuel. Thankfully, it is fun to drive as is.

 

I’m envious of your mileage! I have a 2016 XLT Supercrew with the 2.7L engine, and I’m averaging about 19 mpg.

 

I'd get upwards of 22 mpg with my 4.2l V6 with highway tires.