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2016 F150 Ecoboost 3.5L Lariat
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Discussion Starter · #1 ·
Hi everyone, I’m new to this forum and I would like to share my recent upgrade for my 2016 F150 Ecoboost 3.5L. (the photos are not the best :))

Maybe the most interesting upgrade among the 3 that I have mentioned in the thread title is “Comp Turbos” which are a bolt-on type for 2013-2016 Ecoboost engines. (Model CTR-X600)

My first choice was Garrett PowerMax, but the local dealer lead time for Garrett turbos was 3 months and CPR Turbos are exceeding my budget, I was left with Comp Turbos which has similar price as Garrett PowerMax.

in this photo the Comp Turbo installed already in the truck: (behind the turbo you can see the BD Diesel exhaust manifold gasket in black color)
Motor vehicle Automotive tire Wheel Automotive design Tread


All above parts were installed in a shop and they did encounter small problem while replacing the turbos. Slight sign of Coolant leak exhibit on the driver side turbo, although these parts are not expensive, but they were not available in stock, and I had to wait for 1 week for delivery.

am referring to this connector on the stock turbo below:
Fluid Gas Plumbing Nut Auto part


I had to replace the connectors along with the steel tube for both turbos to make sure no leaking will occur in future.

Since I was replacing the turbos, I thought of changing the stock Exhaust manifold with Aftermarket BD Diesel exhaust manifold with 3 extra studs to hold the manifold in place, will sure help eliminate any potential warpage in future.

stock manifold not showing any sign of bend (maby i need to put a steel ruler to see if any minor bend is there)
White Bicycle part Auto part Wood Metal


The downpipe upgrade was in my mind for some time, and I decided to do it now, since all 3 parts are in the same area, I can reduce some labor cost. CVF Stainless Steel Catted Downpipes was my decision for a good quality product and reasonably priced.

they sure look good from this angle:
Automotive tire Motor vehicle Gas Auto part Nut


I have replaced the spark plugs with gap 0.029 to be ready for 5 star tune.
Household hardware Cylinder Nickel Engineering Auto part

Hand Gesture Finger Tool Nail

above gap in mm equivalent to 0.029inches

I have received the car today and the shop took it for a test drive multiple times and confirm no leaks and the truck run normally.

But as the Arabic proverb says, “Winds blows counter to what ships desire”, I am now having check engine light on.:cry:
Speedometer Trip computer Steering part Tachometer Gauge


I hope its only because of the downpipe not the turbos. The truck runs and feel normal, I will drop the truck again tomorrow to the shop to check the code and hopefully its not turbo related.

am delaying the 5 Star tune flashing till I sort out this issue. hope its minor error code.
 

· Registered
2015 Ford F-150 Lariat Screw 5.5' | 3.5 Eco | 4x4 3.55 Max Tow | 33's, Tuned by BoostKing
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730 Posts
Welcome and sweet upgrades my friend!

Interested to hear what you determine is the cause for CEL. My understanding was larger (but not crazy large) turbos can run fine on stock tune.

I’ve been eying the catted CVF down pipes but worry that even though they are catted, any aftermarket pipes will still throw a code without defoulers.
 

· Registered
2016 Ford F-150 XLT 2.7L
Joined
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2,874 Posts
Hi everyone, I’m new to this forum and I would like to share my recent upgrade for my 2016 F150 Ecoboost 3.5L. (the photos are not the best :))

Maybe the most interesting upgrade among the 3 that I have mentioned in the thread title is “Comp Turbos” which are a bolt-on type for 2013-2016 Ecoboost engines. (Model CTR-X600)

My first choice was Garrett PowerMax, but the local dealer lead time for Garrett turbos was 3 months and CPR Turbos are exceeding my budget, I was left with Comp Turbos which has similar price as Garrett PowerMax.

in this photo the Comp Turbo installed already in the truck: (behind the turbo you can see the BD Diesel exhaust manifold gasket in black color)
View attachment 182724

All above parts were installed in a shop and they did encounter small problem while replacing the turbos. Slight sign of Coolant leak exhibit on the driver side turbo, although these parts are not expensive, but they were not available in stock, and I had to wait for 1 week for delivery.

am referring to this connector on the stock turbo below:
View attachment 182725

I had to replace the connectors along with the steel tube for both turbos to make sure no leaking will occur in future.

Since I was replacing the turbos, I thought of changing the stock Exhaust manifold with Aftermarket BD Diesel exhaust manifold with 3 extra studs to hold the manifold in place, will sure help eliminate any potential warpage in future.

stock manifold not showing any sign of bend (maby i need to put a steel ruler to see if any minor bend is there)
View attachment 182730

The downpipe upgrade was in my mind for some time, and I decided to do it now, since all 3 parts are in the same area, I can reduce some labor cost. CVF Stainless Steel Catted Downpipes was my decision for a good quality product and reasonably priced.

they sure look good from this angle:
View attachment 182726

I have replaced the spark plugs with gap 0.029 to be ready for 5 star tune.
View attachment 182727
View attachment 182728
above gap in mm equivalent to 0.029inches

I have received the car today and the shop took it for a test drive multiple times and confirm no leaks and the truck run normally.

But as the Arabic proverb says, “Winds blows counter to what ships desire”, I am now having check engine light on.:cry:
View attachment 182729

I hope its only because of the downpipe not the turbos. The truck runs and feel normal, I will drop the truck again tomorrow to the shop to check the code and hopefully its not turbo related.

am delaying the 5 Star tune flashing till I sort out this issue. hope its minor error code.
Heck yeah! So good to see other guys with awesome builds on here. Welcome!

CEL is most likely caused by the downpipes. Depends, but that’s my bet.
 

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You have a very similar set up to mine. My CEL is constantly on with the p0420 and p0430 (I think thats right) which is the left and right O2 sensor reading sub standard emissions. It won't hurt your truck, I am told you can get an O2 restrictor to go between the port in the downpipes and the actual sensor that will get rid of the code but I have not tried it. You can verify this code using forscan or a tuner, which you probably already have if you are waiting on tunes. Once that tune is on and it starts putting all that hardware to work your mind will be blown. Ur gonna love it.

The only thing that bugs me about those codes/cel is that I can't remote start with them active. If you get the restrictions before me please let me know if they work
 

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2020 F-150 SCREW 3.5 EcoBoost
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24 Posts
I had CVF down pipes on my truck prior to switching over to an AMS Raptor setup. They were great and I ran defoulers right from the start to avoid any CEL issues. That is where I would start, and as already mentioned, pulling the codes will help narrow down the problem as well.
 

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2016 F150 Ecoboost 3.5L Lariat
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31 Posts
Discussion Starter · #6 ·
yes its the down-pipe "Error code P0420" the right-side catalyst.
i will need to buy defouler. time to search for one with highest success rate for F150.

i have removed the error and will go ahead and flash 5 Star Tune anyway.

looking forward to see the performance benefit after 5 star tuning.
 

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2016 F150 Ecoboost 3.5L Lariat
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31 Posts
Discussion Starter · #7 ·
Flashed the 5 star tune and am impressed. i love gear shift the most :love: they nailed it. i will contune testing the tune for now.

i have tried MPT tune previously with stock Turbo and Downpipe, it was good tune but has very aggressive gear shift, after 6 months i started having rough shifts.

The only thing that bugs me about those codes/cel is that I can't remote start with them active. If you get the restrictions before me please let me know if they work
i will let you know.

leave you now with some photos of my ride :cool:

Tire Wheel Car Vehicle Automotive tire

Automotive parking light Automotive side marker light Tire Wheel Car

Wheel Automotive parking light Tire Vehicle Car

Automotive parking light Wheel Tire Vehicle Car

Automotive parking light Car Automotive side marker light Vehicle Tire
 

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2016 F150 Ecoboost 3.5L Lariat
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31 Posts
Discussion Starter · #9 ·
The trucks and American cars are more famous in this region than European cars. we lean more toward big engines, big SUVS and trucks. (we don't believe in Climate change and we don't care, summer is as long as 6 months with temp reach's (120F) 48c degree)
the trucks are more favourable here for desert off-roading and camping.
 

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2016 Ford F-150 XLT 2.7L
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2,874 Posts
The trucks and American cars are more famous in this region than European cars. we lean more toward big engines, big SUVS and trucks. (we don't believe in Climate change and we don't care, summer is as long as 6 months with temp reach's (120F) 48c degree)
the trucks are more favourable here for desert off-roading and camping.
Haha, love it. Global warming (climate change) is the biggest hoax I’ve ever heard.
 

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If there is one thing 5Star does right its the transmission tuning. My towing tunes were always telepathic.
 
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Telepathic?
Yes, meaning it felt like they could read my mind on when to shift. The only tune I've run that I could just throw it in tow/haul mode and let it do its thing.
 

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2016 F150 Ecoboost 3.5L Lariat
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31 Posts
Discussion Starter · #15 ·
i got the "CEL" error again. i emailed 5star if they can turn it off for me as am an international customer 😁 not US based.
waiting for their reply, otherwise i have to try defouler.

The only thing that bugs me about those codes/cel is that I can't remote start with them active. If you get the restrictions before me please let me know if they work
you are right, remote start is not working with "CEL active" as you said.
 
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17 Lariat SCLB Max Tow 4x4
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Nice truck, looks like it’s come a long way. Hope you get your cat efficiency codes figured out shortly…
 

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2017 3.5L Ecoboost SCREW, 6'5" box, XTR package
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The trucks and American cars are more famous in this region than European cars. we lean more toward big engines, big SUVS and trucks. (we don't believe in Climate change and we don't care, summer is as long as 6 months with temp reach's (120F) 48c degree)
the trucks are more favourable here for desert off-roading and camping.
Heck yeah! While in the M.E. I saw a lot of F150s, GM SUV's, challengers (hellcats and normal) and mustangs ripping around! and Loved watching the Dune racing set-ups yall have out there, similar to our hill climbs here just sand lol.
 

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2016 F150 Ecoboost 3.5L Lariat
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Discussion Starter · #18 ·
Got the defouler, and fixed it on the right side of the downpipe, i hope the O2 sensor will not bother to bring CEL again :LOL:

it's been a week now after the upgrade and 5star flash, and here is my feedback:

1) Turbos (Stock Vs Comp Turbos)
Comp Turbos behave different than stock when it comes to boost gauge indicator.
the boost gauge indicator with stock turbos (tuned) was very active, i can see the boost indicator more frequently moving back and forth even when i cursing at fixed speed on the highway.
with Comp Turbos the boost gauge is not very active, even if my speed is 45-50MPH the turbo boost gauge is not moving much sometimes not moving at all. but under high acceleration it boosts immediately. i used to see the boost gauge very active with stock turbos, but with Comp turbos it not. but still the truck runs normal, and the boost indicator is active whenever i demand acceleration (or you can say load on the truck).

2) CVF catted Downpipe
i can talk about downsize only here because I don't have a proof that Downpipe improved My performance, since my upgrade was involving 3 components including a new tune at the same time.
downsizes are louder exhaust note and CEL. I have Magna Flow cat-back and it has a deep exhaust note, but now with CVF downpipe its louder and i consider it noisy.

3) BD Diesel exhaust manifold
theoretically these should hold better that stock manifold and has less tendency towards warpage. now i have no more noisy sound after cold start coming from the passenger side turbos.
i guess it was manifold problem, because once the car become warm, the noise is gone and sometimes the noise will be very minimal.

4) Tuning
before 5star tune and my recent upgrade I was running Lund racing tune also MPT (with stock turbos), i was facing high temp issue in summer season. the truck engine temp when driving on highway with cruise control on at constant speed of 86mph will reach to 248F (although I have upgraded the intercooler, radiator & transmission cooler), while running with stock tune will not promote any temp issue.
i have noticed the following, while cruising at constant speed (86mph) on the highway, the turbos will become very busy and the boost gauge is very active going back and forth, causing the turbos to work very hard and heat up and soaking all these heat to the engine and raises the temperature.
here where the idea came to me to upgrade the turbos with bigger one, to allow naturally for better & higher turbo flow without pushing the turbo to work very hard and generate heat.

now with 5star tune and the recent upgrades i can say that i don't have engine temp problem anymore.
 

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2016 Ford F-150 XLT 2.7L
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2,874 Posts
Got the defouler, and fixed it on the right side of the downpipe, i hope the O2 sensor will not bother to bring CEL again :LOL:

it's been a week now after the upgrade and 5star flash, and here is my feedback:

1) Turbos (Stock Vs Comp Turbos)
Comp Turbos behave different than stock when it comes to boost gauge indicator.
the boost gauge indicator with stock turbos (tuned) was very active, i can see the boost indicator more frequently moving back and forth even when i cursing at fixed speed on the highway.
with Comp Turbos the boost gauge is not very active, even if my speed is 45-50MPH the turbo boost gauge is not moving much sometimes not moving at all. but under high acceleration it boosts immediately. i used to see the boost gauge very active with stock turbos, but with Comp turbos it not. but still the truck runs normal, and the boost indicator is active whenever i demand acceleration (or you can say load on the truck).

2) CVF catted Downpipe
i can talk about downsize only here because I don't have a proof that Downpipe improved My performance, since my upgrade was involving 3 components including a new tune at the same time.
downsizes are louder exhaust note and CEL. I have Magna Flow cat-back and it has a deep exhaust note, but now with CVF downpipe its louder and i consider it noisy.

3) BD Diesel exhaust manifold
theoretically these should hold better that stock manifold and has less tendency towards warpage. now i have no more noisy sound after cold start coming from the passenger side turbos.
i guess it was manifold problem, because once the car become warm, the noise is gone and sometimes the noise will be very minimal.

4) Tuning
before 5star tune and my recent upgrade I was running Lund racing tune also MPT (with stock turbos), i was facing high temp issue in summer season. the truck engine temp when driving on highway with cruise control on at constant speed of 86mph will reach to 248F (although I have upgraded the intercooler, radiator & transmission cooler), while running with stock tune will not promote any temp issue.
i have noticed the following, while cruising at constant speed (86mph) on the highway, the turbos will become very busy and the boost gauge is very active going back and forth, causing the turbos to work very hard and heat up and soaking all these heat to the engine and raises the temperature.
here where the idea came to me to upgrade the turbos with bigger one, to allow naturally for better & higher turbo flow without pushing the turbo to work very hard and generate heat.

now with 5star tune and the recent upgrades i can say that i don't have engine temp problem anymore.
The reason you’re saying boost isn’t very active on the comp turbos compared to stock turbos is because the comp turbos are larger, don’t spool as quickly and stay in vacuum for longer than the stock turbos. It also could be the way 5Star has the tune set up.
 

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2016 F150 Ecoboost 3.5L Lariat
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Discussion Starter · #20 ·
The reason you’re saying boost isn’t very active on the comp turbos compared to stock turbos is because the comp turbos are larger, don’t spool as quickly and stay in vacuum for longer than the stock turbos. It also could be the way 5Star has the tune set up.
i guess it's true, because Comp turbos was behaving the same even before flashing 5star tune.
 
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