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Topic Review (Newest First)
Yesterday 06:37 PM
dyn085
Quote:
Originally Posted by BeepBeep2 View Post
Your statement has zero merit.
You're talking about an FI engine with different internals and a turbo vs. this NA. You can not just apply apples to carrot comparisons like that all over the place. Intake diameter, exhaust diameter, whatever you'd like.

It starts sounding silly. Under this logic, why do exhaust upgrades for example? Here is a similar statement: "I will repeat, a 2 inch diameter exhaust is perfectly fine to handle 281 TQ and 239 HP on a Crown Vic. That engine makes 130 lb-ft more torque and 80 hp more on a similar exhaust diameter to what is on a Focus. So seriously, that is more than enough for exhaust flow. "

Obviously, exhaust upgrades have proven more power for the 2.0L NA Focus.

Why even say it? The ST and NA engines are fundamentally different. The whole goal is to remove as much restriction in both cases, but the ST can cram lots more air through a small hole anyway. You still lose power if the turbo can't make your target boost pressure, but these aren't even similar cases.
Actually, her statement has plenty of merit. Unlike the Crown Vic/Focus example, the Focus/Focus ST example is legitimate because the structure utilized for the snorkel is exactly the same. If it can flow enough air for 252 hp (and more, such as the Ford Racing upgrades that utilize the OEM box/snorkel opening [but has a different snorkel]) then it can surely flow enough for a 150-160whp Mk3.

I could break down your exhaust example, but it would be time consuming. Let's leave it at the fact that exhaust is an example of diminishing gains and drop scavenging effects and all that other jazz. I'm sure the Crown Vic would benefit from even stripping up to 2.25" exhaust, which would be a great example as to why the Focus benefits from a larger exhaust as there is a similar comparison then.

Anywho, I think bama_focus was referring to the cap on the open-ended drop-in filter. If so, that's exactly why I had multiple intake setups. I drove on the closed filter/OEM box for the majority of the year but ran the Steeda setup for car shows and in the winter. The OEM box with a closed filter felt much more linear in its power delivery than any other setup that I used, so that is what I preferred to drive on 90% of the time.
Yesterday 06:01 PM
Elizabeth
Quote:
Originally Posted by BeepBeep2 View Post
Your statement has zero merit.
You're talking about an FI engine with different internals and a turbo vs. this NA. You can not just apply apples to carrot comparisons like that all over the place. Intake diameter, exhaust diameter, whatever you'd like.

It starts sounding silly. Under this logic, why do exhaust upgrades for example? Here is a similar statement: "I will repeat, a 2 inch diameter exhaust is perfectly fine to handle 281 TQ and 239 HP on a Crown Vic. That engine makes 130 lb-ft more torque and 80 hp more on a similar exhaust diameter to what is on a Focus. So seriously, that is more than enough for exhaust flow. "

Obviously, exhaust upgrades have proven more power for the 2.0L NA Focus.

Why even say it? The ST and NA engines are fundamentally different. The whole goal is to remove as much restriction in both cases, but the ST can cram lots more air through a small hole anyway. You still lose power if the turbo can't make your target boost pressure, but these aren't even similar cases.
Such a nice rant. All sorts of 'ranty' sort of ranting. No proof or discussion anywhere. just a 'I think you are wrong' and all sorts of hot air to go with.
Thank you for the entertainment. LOL
Yesterday 03:31 PM
BeepBeep2
Quote:
Originally Posted by Elizabeth View Post
I will repeat, the ST with 250+ hp uses the exact same opening through the front frame member as the regular Focus MK3.
So that engine is making 90 more hp through that same air intake. Plus the ST uses the SAME AIRBOX and filter.

So seriously the hole through the frame is good/big enough for any regular MK3 as far as airflow.
I do 100% agree removing the restrictive snorkle helps. And the free flow airfilter does too.
Your statement has zero merit.
You're talking about an FI engine with different internals and a turbo vs. this NA. You can not just apply apples to carrot comparisons like that all over the place. Intake diameter, exhaust diameter, whatever you'd like.

It starts sounding silly. Under this logic, why do exhaust upgrades for example? Here is a similar statement: "I will repeat, a 2 inch diameter exhaust is perfectly fine to handle 281 TQ and 239 HP on a Crown Vic. That engine makes 130 lb-ft more torque and 80 hp more on a similar exhaust diameter to what is on a Focus. So seriously, that is more than enough for exhaust flow. "

Obviously, exhaust upgrades have proven more power for the 2.0L NA Focus.

Why even say it? The ST and NA engines are fundamentally different. The whole goal is to remove as much restriction in both cases, but the ST can cram lots more air through a small hole anyway. You still lose power if the turbo can't make your target boost pressure, but these aren't even similar cases.
01-29-2015 04:19 PM
Elizabeth
Quote:
Originally Posted by bama_focus View Post
Reporting back after driving around with the cap on the end of my k&n. Overall I miss the noise it made, but the powerband feels much smoother with the closed end. I am a firm believer that the stock airbox is efficient for this car and the open end just attracts hot air from the engine bay. Gunna keep my filter plugged until I want the noise back lol.
I will repeat, the ST with 250+ hp uses the exact same opening through the front frame member as the regular Focus MK3.
So that engine is making 90 more hp through that same air intake. Plus the ST uses the SAME AIRBOX and filter.

So seriously the hole through the frame is good/big enough for any regular MK3 as far as airflow.
I do 100% agree removing the restrictive snorkle helps. And the free flow airfilter does too.
01-29-2015 02:51 PM
bama_focus Reporting back after driving around with the cap on the end of my k&n. Overall I miss the noise it made, but the powerband feels much smoother with the closed end. I am a firm believer that the stock airbox is efficient for this car and the open end just attracts hot air from the engine bay. Gunna keep my filter plugged until I want the noise back lol.
01-28-2015 03:25 PM
schrodingersbox
Quote:
Originally Posted by cjpasch View Post
So if I do the delete, will getting a prefilter to just play it safe for water, will that undo the benefits of the delete.
I think more about playing safe for matter like leaves, bugs, etc. The physical stuff. But yes a bit of water protection and no the reduction in airflow should be so minimal you won't even notice.
01-28-2015 11:04 AM
cjpasch So if I do the delete, will getting a prefilter to just play it safe for water, will that undo the benefits of the delete.
01-28-2015 10:25 AM
schrodingersbox
Quote:
Originally Posted by Tigeo View Post
With the CAI, the delete won't do much IMHO as the snorkel is no longer a restriction.
But it is, particularly so if you use the Steeda which uses the factory downpipe for airflow. Despite the increased airflow over/behind the light, the suction may and probably will still be pulling air from the direction of the original vents and again more so if there is an airdam/shield thingy, in myyyy opinion :D
01-28-2015 09:39 AM
Tigeo
Quote:
Originally Posted by cjpasch View Post
I have a k&n typhoon cai, can I still do the snorckle delete without worrying about water getting in there? What is this prefilter people are speaking of?
With the CAI, the delete won't do much IMHO as the snorkel is no longer a restriction.
01-28-2015 08:09 AM
schrodingersbox Yes you can still do the delete, very unlikely for significant water to get in. Prefilter is like a jacket you can buy for your filter!
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