papa tiger

1. Do not drive in deeper H2O than mid hub cap with these trucks or expect electrical problems to rapidly happen.
2. If you feel the need to drill your CAC do so.
3. If you put a filter on your BOV return tube to the intake of the driver side Turbo or the electric one, do it so it doesn't easily get exposed to a lot of moisture. U want to excrete moisture instead when it pops off if you have that problem.

angel2167882

1. I'm not driving in "off-road" condition, actually my gf use the truck from city commuting. I just don't want being prevent or fear to go in water IF I have to drive in water in special situation and the risk of water ingestion / hydrolock. I don't care too much about minor electrical issues, I should be able to troubleshoot them.

2. Not my plan for now...

3. I don't want the BOV out to be filtered, it would cause more restriction of the extra pressure and won't help vaporise and expel any accumulated water mix at the CAC bottom.

What I really want is just an open BOV out pipe going at least 1ft more upper securly.

papa tiger

Installing a filter in the tube to outside air will not restrict appreciably unless it gets clogged. Maintenance is a needed thing. The air passing thru it from the turbo will only contain some vapors from the fresh air tube leaving the head. This it might help reduce the condensation of As you have now opened the closed loop of the Intake system. BOV air is higher in PSI than Atmosphere mostly. The ECU will adapt to get it right. Filter keeps things out of the tube otherwise open tube you do not want. There are a list of filters on another thread that fit along with ways to plug the opening in the air tube to the Turbo.
It is a air pressure/torque controlled system. You ask for torque by opening the throttle body some, the ECU responds, measures air pressure in the system and also outside the system and sets the boost. It makes the boost what it deems necessary and injects the correct amount of fuel/timing to reach it. Torque is measured thru the PCM with trans sensors reading turns of the shaft in a ratio to turns of the crankshaft and torque convertor. The ECU/PCM will do its best to reach those numbers.

angel2167882

I understand all thoses things for sure. I even monitor all this since a while with Forscan software and my OBDLink MX.
http://www.forscan.org

It give so much infos directly from PCM using propriatary Ford MS-CAN, not using OBD-II standard. Everthing like AAT, IAT1, IAT2, CAT (charge air temp), pressure at MAP, BOV on/off, desired boost from ECU, etc, etc

Usually at WOT, MAP is at 15 PSI and when I drop my feet, the BOV open up to 5 sec to evacuate extra boost.

I understand this delay will adjust by PCM to the desired boost pressure but this is not my point.

My point is why not use the BOV to help evacuate all the vapors and water accumulating at the CAC bottom.

And adding a filter to the BOV out would, IMO, just restrict the out of thoses toxic vapors and retain some inside.

There is no point to filter a BOV anyway but I understand because of the low location of our actual port, it is just extra precaution.

The extra precaution I indend to use is for debris but also for water puddle.

So to port the output upper and unfiltered, like in the lower portion of the airbox before filter, or simply with a J-rubber facing down, like an OEM manual tranny breather.

papa tiger

I'm seeing you want to do it your way LOL ! There is stuff there you can mess up though if oil or water keeps collecting on it.

angel2167882

Ok, I see what you means... For you, the filter is really to protect the BOV operation from outside contaminants.

For me, the goal is to expel the contaminent comming from the inside!!!

Honestly, the way the OEM BOV is setup, there is already high risk of water/oil contaminent altering the BOV normal operation.

If you bring the BOV to air, you eliminate the closed loop like you said so helping contaminent getting OUT... Putting a filter would still retain some IN, but I guess it is the compromise to do.

I'll think about it!

papa tiger

OK, and venting it to the Air filter box would contaminate the air filter over time with these vapors. Plus below it are the vacuum pump and anti loc brake system and its control module with wire harness. So bad to hit these constantly with oil/water mix I think, If collection is like some of the drilled CAC's vents to the underside of the vehicle messes.

lucky644

This sounds too awesome for me to not try, soon as it is warmer...

papa tiger

I know, mine is going past 60,000 soon. Thing is I'm not so sure there isn't some over lapping time when the Electric BOV is open and Driver is soft peddle down the Avenue as some claim a lot of low/no boost while doing so. The Air Flo simply changes direction if so to answer intake/throttle body partial position opening. I would get a tube and Fix the Filter to it for my personal usage. It can always go back stock quickly then. I'm going to watch that PID under mild gentle driving for some time !


Maybe someone knows more about it.

FX4FUN13

I've been following this thread and wanted to add some info from the f150 ecoboost.net forum. If you belong there as well search for the thread " I want to startle children" they discuss this mod with the additional task of removing the canister by sawing it off. The results and details of how to are on that thread. Apparently the canister is a chambered silencer to diminish the purge sound. Removal creates a louder more crisp pssssssh! And to buy a new canister part to go back to stock is $16 per posts. This is very tempting if you want more psssssh! And hey, who doesn't. Lol

Part number is 9v456.