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#3424170 - 07/14/14 08:31 AM Re: Ecoboost or Not. [Re: Miller88]
badtlc Offline


Registered: 06/08/06
Posts: 5108
Loc: KC
Originally Posted By: Miller88
I reallllllly want to put a catch can on my parents Escape. I may end up doing it once its out of warranty.


catch cans do nothing for preventing intake valve deposits if that is what you are going for. This has been shown time and time again on different forums out there.

Catch cans are for increasing the octane rating of your AF mixture when you are running an agressive tune and pushing the limits. The PCV vapors lower the octane just enough for agressive tunes that it can cause detonation. They don't remove enough vapor to prevent valve deposits, though.

Here are the valves of someone who cleaned their valves, installed a BSH catch can hoping for results:



Edited by badtlc (07/14/14 08:32 AM)
_________________________
2007 Ford Escape XLS 2.3L ATX, Formula Shell 5W30, Fram TG, 155k+
2015 Chrysler T&C, 60k+, PP 5w30, Fram OF

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#3424189 - 07/14/14 08:57 AM Re: Ecoboost or Not. [Re: badtlc]
Miller88 Offline


Registered: 04/09/08
Posts: 12258
Loc: Onondaga County
Originally Posted By: demarpaint
Originally Posted By: Miller88
I reallllllly want to put a catch can on my parents Escape. I may end up doing it once its out of warranty.


I'd put it on now, and take it off if there's a problem while its under warranty and has to go in for service. That is unless they bring it to the dealer for service, something I don't do. My thinking is if the catch can is going to be of any benefit long term, why wait until the warranty is up? Just thinking out loud.


They do dealer service. Can't really beat $25 for an synblend oil change that someone else is doing.


Originally Posted By: badtlc
Originally Posted By: Miller88
I reallllllly want to put a catch can on my parents Escape. I may end up doing it once its out of warranty.


catch cans do nothing for preventing intake valve deposits if that is what you are going for. This has been shown time and time again on different forums out there.

Catch cans are for increasing the octane rating of your AF mixture when you are running an agressive tune and pushing the limits. The PCV vapors lower the octane just enough for agressive tunes that it can cause detonation. They don't remove enough vapor to prevent valve deposits, though.

Here are the valves of someone who cleaned their valves, installed a BSH catch can hoping for results:



Wouldn't the catch can keep the pcv vapors from entering the intake? What about just sticking a filter on and venting it out into the open?
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#3424211 - 07/14/14 09:30 AM Re: Ecoboost or Not. [Re: Miller88]
badtlc Offline


Registered: 06/08/06
Posts: 5108
Loc: KC
Originally Posted By: Miller88


Wouldn't the catch can keep the pcv vapors from entering the intake? What about just sticking a filter on and venting it out into the open?


Removing PCV from the intake is the only sure fire way.
_________________________
2007 Ford Escape XLS 2.3L ATX, Formula Shell 5W30, Fram TG, 155k+
2015 Chrysler T&C, 60k+, PP 5w30, Fram OF

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#3424222 - 07/14/14 09:50 AM Re: Ecoboost or Not. [Re: Miller88]
demarpaint Offline


Registered: 07/03/05
Posts: 28288
Loc: NY
Originally Posted By: Miller88
Originally Posted By: demarpaint
Originally Posted By: Miller88
I reallllllly want to put a catch can on my parents Escape. I may end up doing it once its out of warranty.


I'd put it on now, and take it off if there's a problem while its under warranty and has to go in for service. That is unless they bring it to the dealer for service, something I don't do. My thinking is if the catch can is going to be of any benefit long term, why wait until the warranty is up? Just thinking out loud.


They do dealer service. Can't really beat $25 for an synblend oil change that someone else is doing.



I'd pass on the catch can then.
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#3424357 - 07/14/14 12:20 PM Re: Ecoboost or Not. [Re: itguy08]
bdcardinal Offline


Registered: 06/03/05
Posts: 10225
Loc: Santa Barbara, CA
Originally Posted By: klt1986
There were not any parts available...whatever happened Ford wanted the rear end replaced as a unit.


Individual parts are not available for those rear end assemblies. They are only serviced in a complete assembly. A lot of the rear drive units on the AWD vehicles are like that.
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#3424837 - 07/14/14 07:41 PM Re: Ecoboost or Not. [Re: badtlc]
ukmastermind Offline


Registered: 08/07/12
Posts: 111
Loc: Los Angeles, CA
What car is that??
Originally Posted By: badtlc
Originally Posted By: Miller88
I reallllllly want to put a catch can on my parents Escape. I may end up doing it once its out of warranty.


catch cans do nothing for preventing intake valve deposits if that is what you are going for. This has been shown time and time again on different forums out there.

Catch cans are for increasing the octane rating of your AF mixture when you are running an agressive tune and pushing the limits. The PCV vapors lower the octane just enough for agressive tunes that it can cause detonation. They don't remove enough vapor to prevent valve deposits, though.

Here are the valves of someone who cleaned their valves, installed a BSH catch can hoping for results:

Originally Posted By: badtlc
Originally Posted By: Miller88
I reallllllly want to put a catch can on my parents Escape. I may end up doing it once its out of warranty.


catch cans do nothing for preventing intake valve deposits if that is what you are going for. This has been shown time and time again on different forums out there.

Catch cans are for increasing the octane rating of your AF mixture when you are running an agressive tune and pushing the limits. The PCV vapors lower the octane just enough for agressive tunes that it can cause detonation. They don't remove enough vapor to prevent valve deposits, though.

Here are the valves of someone who cleaned their valves, installed a BSH catch can hoping for results:


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#3424909 - 07/14/14 08:27 PM Re: Ecoboost or Not. [Re: tangojetta]
hattaresguy Offline


Registered: 06/01/11
Posts: 7180
Loc: CT
Turbo charged motors have been around for a long time, back in the 80's Volvo, Saab, and Porsche had them pretty well figured out.

I'd have no heartburn buying one. Just stay on top of the oil.

OTOH I think the average person who does not stay on top of maintenance will find ownership expensive. They are not as tolerant as NA motors are of abuse.


Edited by hattaresguy (07/14/14 08:27 PM)

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#3425060 - 07/14/14 10:46 PM Re: Ecoboost or Not. [Re: hattaresguy]
dave1251 Offline


Registered: 07/15/05
Posts: 8399
Loc: Maricopa, AZ
I agree with this.
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#3427537 - 07/17/14 12:53 PM Re: Ecoboost or Not. [Re: badtlc]
wtd Offline


Registered: 06/25/02
Posts: 1815
Loc: southwest Mo.
Originally Posted By: badtlc
Originally Posted By: Miller88
I reallllllly want to put a catch can on my parents Escape. I may end up doing it once its out of warranty.


catch cans do nothing for preventing intake valve deposits if that is what you are going for. This has been shown time and time again on different forums out there.

Catch cans are for increasing the octane rating of your AF mixture when you are running an agressive tune and pushing the limits. The PCV vapors lower the octane just enough for agressive tunes that it can cause detonation. They don't remove enough vapor to prevent valve deposits, though.

Here are the valves of someone who cleaned their valves, installed a BSH catch can hoping for results:



You also have to realize that not all catch cans are as effective as others. There are quite a few cans out there that still let a lot of oil through to the intake. The manufacturer of RX catch cans claims that their cans capture 95%+ of oil and contaminants and have done quite a bit of testing with ecoboost vehicles, I think mostly the F150. Go to f150.com and they have some various threads on this issue and catch cans.
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#3427843 - 07/17/14 06:38 PM Re: Ecoboost or Not. [Re: tangojetta]
sciphi Offline


Registered: 03/24/07
Posts: 10008
Loc: Upstate NY
Turbos have been around for a long time. I'd trust a major OEM like Ford to get it right, especially in a truck.

My turbo (but not DI) Cruze is doing fine at 89k miles, most of those highway miles at 55-60 mph.
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#3428800 - 07/18/14 09:12 PM Re: Ecoboost or Not. [Re: tangojetta]
hattaresguy Offline


Registered: 06/01/11
Posts: 7180
Loc: CT
You guys are also assuming those valve deposits mean something. Most EGR diesels have valves like that and they run fine forever.

Those deposits might mean nothing and the motor will perform to design specifications for its service life with them looking just like that.


Edited by hattaresguy (07/18/14 09:12 PM)

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#3428896 - 07/18/14 10:50 PM Re: Ecoboost or Not. [Re: tangojetta]
TiredTrucker Offline


Registered: 01/04/08
Posts: 3165
Loc: Central Iowa
It probably is a sure thing that a catch can won't catch everything, but the right can will catch a mighty amount of gunk that would have went to the intake. The catch can I have on my 5.3L in my Silverado captured enough in 13,000 miles to fill a 16 oz drinking water bottle to the top. So it prevented at least a half quart of oil and condensation from pooling up in the intake manifold, and just that much less crud not making it to the valves.

It may not be the cure all, end all for everything that ails an engine, but it sure seems like a worthy addition. I understand how some feel it is not necessary, in theory, but for the reality I have to face with my vehicle, it was a good addition.
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#3429051 - 07/19/14 07:09 AM Re: Ecoboost or Not. [Re: sciphi]
rjundi Offline


Registered: 03/16/04
Posts: 7256
Loc: USA
Originally Posted By: sciphi
Turbos have been around for a long time. I'd trust a major OEM like Ford to get it right, especially in a truck.

My turbo (but not DI) Cruze is doing fine at 89k miles, most of those highway miles at 55-60 mph.


A lot more to turbo's then the part itself. Subaru has been doing it forever(1980ish) but mucked up tuning on my specific model(legacy gt/outback xt 2.5L) leading to this(burned valves):


My turbo is perfect though!! Interestingly the tuned Subaru's do not suffer this fate apparently so Subaru mucked up factory tune is a likely culprit.
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#3429084 - 07/19/14 07:41 AM Re: Ecoboost or Not. [Re: tangojetta]
sciphi Offline


Registered: 03/24/07
Posts: 10008
Loc: Upstate NY
True, tuning does play a large part in how reliable the engine is. I hope that the OEM's would stand behind the products they sell. Although that's up to the dealer first, and not every dealer is equal.
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2012 Chevrolet Cruze Eco

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#3429213 - 07/19/14 10:58 AM Re: Ecoboost or Not. [Re: TiredTrucker]
Nate1979 Offline


Registered: 04/08/13
Posts: 3503
Loc: Portland, OR
Originally Posted By: TiredTrucker
It probably is a sure thing that a catch can won't catch everything, but the right can will catch a mighty amount of gunk that would have went to the intake. The catch can I have on my 5.3L in my Silverado captured enough in 13,000 miles to fill a 16 oz drinking water bottle to the top. So it prevented at least a half quart of oil and condensation from pooling up in the intake manifold, and just that much less crud not making it to the valves.

It may not be the cure all, end all for everything that ails an engine, but it sure seems like a worthy addition. I understand how some feel it is not necessary, in theory, but for the reality I have to face with my vehicle, it was a good addition.

Was that in the summer or winter? I recently installed a catch can (Conceptual Polymer brand) on my Silverado but dont catch nearly as much as you.
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2010 Subaru Forester 2.5X

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