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Focus ST EcoBoost Performance (2013-Current) The place to chat about the 2.0L EcoBoost engine performance, tuning and exhaust related upgrades.

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Old 10-05-2012, 01:13 AM   #31
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Originally Posted by 313 Matt View Post
I have no idea what I'm looking at.

Anyone care to explain?
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But what do these numbers mean?
Are you going to ask a real question?

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Originally Posted by YellowJellyBean View Post
Someone who owns a Charger asking borderline sarcastic questions about the ST's dyno sheet. You're either truly a newbie to this kind of thing or a massive troll.
I agree, not adding anything useful to the thread.

Back OT:
Anyone know what the bottom end is good for? I know the Coyote 5.0 and the Boss 5.0 have different internals, does the ST have forged internals as well?
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Old 10-05-2012, 07:36 AM   #32
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Hmmm K03. Same as the Audi's... Wonder how long it'll take til a K04 upgrade will come about? I'd love a li'l ST with a $600 upgrade + tune to take it to 350+whp. =D
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Old 10-05-2012, 08:12 AM   #33
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Originally Posted by 313 Matt View Post
But what do these numbers mean?
Click on this fantastic link that will answer this and most likely all of life's most difficult questions. It's an amazing resource.
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Old 10-05-2012, 08:50 AM   #34
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Originally Posted by YellowJellyBean View Post
Someone who owns a Charger asking borderline sarcastic questions about the ST's dyno sheet. You're either truly a newbie to this kind of thing or a massive troll.
its just an sxt.... so i think its ok for him to ask these questions... lol
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Old 10-05-2012, 09:53 AM   #35
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Originally Posted by YellowJellyBean View Post
Someone who owns a Charger asking borderline sarcastic questions about the ST's dyno sheet. You're either truly a newbie to this kind of thing or a massive troll.
Quote:
Originally Posted by TiStick View Post
Are you going to ask a real question?



I agree, not adding anything useful to the thread.
Or, since you're all such geniuses, you could just take a minute out of your day to explain a dyno sheet to this user instead of wasting time being s.
Just a thought.


Quote:
Originally Posted by 313 Matt
But what do these numbers mean?
Horsepower and Torque are units the industry uses to measure the total power output of an engine. You see it all the time in marketing.
The dyno sheet shown above is a type of graph that shows us how much power the car is making at various engine speeds (RPM)
What it boils down to is:
-Horsepower equals how fast you can go
-Torque is how fast you'll get there.
In ANY case, a big flat torque curve is preferred because it means the vehicle's acceleration will more or less be constant across the powerband.
Some designs like Honda's V-Tec or even Ford's Duratec lump all of the torque at the top of the powerband so you don't get the full power of the vehicle until you're revving the nuts off at 5k RPM.
As you can see on the ST's dyno sheet, the maximum torque is achieved at the lowest RPM and stays relatively flat through the entire RPM range. This ensures that you will have engine response at all RPM.
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Old 10-05-2012, 01:14 PM   #36
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Originally Posted by mac.mogul View Post
Or, since you're all such geniuses, you could just take a minute out of your day to explain a dyno sheet to this user instead of wasting time being s.
Just a thought.



Horsepower and Torque are units the industry uses to measure the total power output of an engine. You see it all the time in marketing.
The dyno sheet shown above is a type of graph that shows us how much power the car is making at various engine speeds (RPM)
What it boils down to is:
-Horsepower equals how fast you can go
-Torque is how fast you'll get there.
In ANY case, a big flat torque curve is preferred because it means the vehicle's acceleration will more or less be constant across the powerband.
Some designs like Honda's V-Tec or even Ford's Duratec lump all of the torque at the top of the powerband so you don't get the full power of the vehicle until you're revving the nuts off at 5k RPM.
As you can see on the ST's dyno sheet, the maximum torque is achieved at the lowest RPM and stays relatively flat through the entire RPM range. This ensures that you will have engine response at all RPM.
Thank you kind sir.

I've never had a performance car of any kind, so I've always ignored dyno sheets. I don't understand how to read one. Also never tuned a car before.

I was more interested in what difference there was between the stock and tuned version.
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Old 10-05-2012, 02:44 PM   #37
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I've never had a performance car of any kind, so I've always ignored dyno sheets. I don't understand how to read one. Also never tuned a car before.

I was more interested in what difference there was between the stock and tuned version.
You're question is now much more specific, and we can answer it in a more gentlemanly manner.

The stock numbers for the ST are 252 hp, 270 tq. These numbers are measured at the crankshaft of the car, like all manufacturer's numbers. Dynamometers, however, measure power at the wheels, which includes drivetrain losses due to friction, rotational mass, etc. WHP and WTQ will generally be 10-20% lower than crankshaft numbers due to these losses. This means that the numbers cannot be directly compared. Take a look at this thread to see stock dyno sheets to which these tuned results can be directly compared to. Basically, SCT gained about 23 whp and 44 wtq through tuning.
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Old 10-05-2012, 03:06 PM   #38
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Originally Posted by 313 Matt View Post
Thank you kind sir.

I've never had a performance car of any kind, so I've always ignored dyno sheets. I don't understand how to read one. Also never tuned a car before.

I was more interested in what difference there was between the stock and tuned version.
all you got to do is follow the lines and look at the numbers on the side and bottom. if theres many lines its prob a tuned vs stock numbers. hp and tq are pointed out
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Old 10-05-2012, 09:22 PM   #39
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oh wow! small as fk. its prob +/- at its limit with these sct numbers. i can see many turbo and/or compressor side upgrades in the near future.
Chris told me that the turbo IS maxed out at this point.
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Old 10-05-2012, 11:01 PM   #40
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Chris told me that the turbo IS maxed out at this point.
thought so,

next step is full bolt-ons, cats gotta go, maybe a FMIC kit, step colder plugs and retune. bet you theres +/- 30ish whp and more wtq hidden in there. i can see stock clutch go bye bye shortly after this
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