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Old 02-29-2012, 11:21 AM   #1
FLEX'N WRX
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Default 2011 WRX VF52: Power

Event: Dyno
Elevation: Sea level

Car: 2011 WRX
Tuner: John S.
Dyno Info: Mustang
Transmission: 5spd factory gearset
Gear: 3rd

*info on dyno sheet



Impressive(peak) numbers were not the goal. Quick, accessible power (not simply low-end) was the configuration idealization. <- Where it all begins

The initial pulls netted 20+ ft/lbs of torque. Trusting the 5spd with 350+ft/lbs is questionable, so there was an opt to lower the TQ. The VF52 demonstrated its ability with supporting modifications.


quick click comparison threads-

Akuma dyno:
20g- http://forums.nasioc.com/forums/show...ighlight=akuma
HTA68 l- http://forums.nasioc.com/forums/show...highlight=vf52
HTA68 h- http://forums.nasioc.com/forums/show...ighlight=akuma

Avid VF52 users:
http://forums.nasioc.com/forums/show...highlight=vf52
http://forums.nasioc.com/forums/show...highlight=vf52

http://www.efilogics.com/dyno/
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Last edited by FLEX'N WRX; 03-16-2013 at 10:29 PM.
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Old 02-29-2012, 12:39 PM   #2
mpristave
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Nice numbers especially on a mustang dyno.

I know a few people with 350+ torque who have had no problems on 5 speeds with the current wrx.
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Old 02-29-2012, 12:45 PM   #3
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very promising
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Old 02-29-2012, 12:48 PM   #4
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I'm just going to say it. Your diction makes you sound like a douchebag.

No reason to not make your posts more colloquial. Either you speak like this everyday and you bore the **** out of everyone, or you're trying too hard for an internet forum.

On topic: Nice numbers. Solid looking tune. No reason to have gotten the ewg and EL header for the power level you dialed back down to though (even considering power across rpm range).
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Old 02-29-2012, 12:51 PM   #5
mpristave
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Quote:
Originally Posted by Nimbus09 View Post
I'm just going to say it. Your diction makes you sound like a douchebag.

No reason to not make your posts more colloquial. Either you speak like this everyday and you bore the **** out of everyone, or you're trying too hard for an internet forum.

On topic: Nice numbers. Solid looking tune. No reason to have gotten the ewg and EL header for the power level you dialed back down to though.
Yes, its promising for my goals since I plan on buying neither.

I didn't notice the speech until you mentioned it, lol.
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Old 02-29-2012, 01:21 PM   #6
FLEX'N WRX
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Quote:
Originally Posted by Nimbus09 View Post
I'm just going to say it. Your diction makes you sound like a douchebag.

No reason to not make your posts more colloquial. Either you speak like this everyday and you bore the **** out of everyone, or you're trying too hard for an internet forum.

On topic: Nice numbers. Solid looking tune. No reason to have gotten the ewg and EL header for the power level you dialed back down to though (even considering power across rpm range).
*Comments towards my speech are hilarious. Leave it to NASIOC members to post negatively about correct speech patterns and communicating details... and also demean every NOOB for communicating on here in a 'phonetic type' or colloquial format. I truly think you may be used to newer NASIOC intraweb diction*/

The EWG and EL are completely necessary. The dyno chart is for reference. I believe when you say "power level" you're thinking of what the numbers are saying, not what the car is actually producing on the given dyno.

Last edited by FLEX'N WRX; 02-29-2012 at 01:41 PM.
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Old 02-29-2012, 01:42 PM   #7
Slimsti
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Those are sick numbers for Akumas dyno. My buddy got his 04 dyno'd there with basically the exact same mods except he had a vf34 and a fmic at 17.9 and only made like 276/260. Thats a strong ass wrx my friend.
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Old 02-29-2012, 02:23 PM   #8
Nimbus09
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Quote:
Originally Posted by FLEX'N WRX View Post
*Comments towards my speech are hilarious. Leave it to NASIOC members to post negatively about correct speech patterns and communicating details... and also demean every NOOB for communicating on here in a 'phonetic type' or colloquial format. I truly think you may be used to newer NASIOC intraweb diction*/

The EWG and EL are completely necessary. The dyno chart is for reference. I believe when you say "power level" you're thinking of what the numbers are saying, not what the car is actually producing on the given dyno.

Yup, that's exactly what I'm thinking of: numbers of whp/wtq versus numbers of rpm, i.e.- the plot you posted and would like to discuss. Yes, these numbers were collected on a dyno. If I didn't care about these numbers, but rather just what the car is actually producing, then I wouldn't take my car to a dyno as its sole purpose IS to give you those numbers, after all. To be honest, I wouldn't know where to take it to give me a metric for what it's "actually producing" since, according to you, that's what I should focus on. Maybe that's the problem though, I should not be seeking a metric. Maybe you can just tell me "it's bloody fast, gov'na" and I'll believe you.
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Old 02-29-2012, 02:30 PM   #9
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Great numbers for a VF52 at only ~19psi..Did they do any pulls with more boost or would you consider turning the boost up another psi?

Do you have any idea how much the timing was out toward redline on this pull?

What other mods do you want to add to your setup in the future?

Your post does make u sound like a 60year old college English professor, I think trying to make yourself sound that way has not been determined wise

configuration idealization never heard that one
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Old 02-29-2012, 02:36 PM   #10
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but I Kid

dont want to start a forum war, just saying this isnt the place to flex your brain
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Old 02-29-2012, 02:41 PM   #11
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Quote:
Originally Posted by FLEX'N WRX View Post
Quick, accessible power was the configuration idealization.
Christ, why didn't you just say you wanted more low-end.
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Old 02-29-2012, 02:45 PM   #12
FLEX'N WRX
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*The diction I use is up to you for subjective interpretation. I am merely posting on a forum to share information, to discuss Subaru dyno plots, and individuals decide to post their subjective opinions about my typing etiquette? The comments are entirely irrelevant to the topic at hand. They epitomize why NASIOC has become what is in this day*/ Stay On Topic


Easy to understand---> Just want to talk cars man.

Last edited by FLEX'N WRX; 02-29-2012 at 03:35 PM.
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Old 02-29-2012, 03:09 PM   #13
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Slimsti, thank you for the reference on that car.

Inj. duty cycles were at 97%, and never more than 19.5psi. The tune is undoubtedly cautious, and in that respect, neither of us had intentions to exceed reliable limits.

Fueling would have to be next. The only reason to increase to 20-22psi is to test the VF52's limits sooner in the power band. Timing could be kept later in the range, and with the EWG, higher numbers could be had at redline. Significant though? Probably not.

Last edited by FLEX'N WRX; 03-01-2012 at 12:32 AM.
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Old 02-29-2012, 07:37 PM   #14
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did they monitor knock for you when you did this? i think more people should be posting datalogs along with their dyno plots. could explain things. Reason I ask is there might have been some timing pulled around 6000rpm.
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Old 02-29-2012, 08:04 PM   #15
FLEX'N WRX
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That there is unexplained. When the TQ was lowered, the attempts were made to smooth that area, as it shows, no success. That 3.5-4.5k band was exactly the same on the first few pulls, only higher on the graph.
My data logs are fine. I'd rather the band not have the fluctuation, but without detrimental effect, it's the car's nature.

It does show up clearly on other graphs, some not so much. EFI database shows a few. Look at the links in the OP also.

I'd like to know the detailed version as to why the WRX shows this.

Last edited by FLEX'N WRX; 03-01-2012 at 12:31 AM.
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Old 03-01-2012, 10:07 PM   #16
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I find it odd that there is so much discussion about his use of language and not on the fact that this is set up very well. Bravo for a well built car. Akuma rocks!
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Old 03-01-2012, 10:36 PM   #17
PraetorianGuard
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I get the feeling OP is not a native English speaker. I deal with engineers in China all day, and they write like this. Cut him some slack.
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Old 03-01-2012, 10:41 PM   #18
PraetorianGuard
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OP, thanks for the chart. I'm planning a similar mod list (minus the header) and glad to see you hit 300HP/TQ so easily.
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Old 03-01-2012, 10:44 PM   #19
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Quote:
Originally Posted by Nimbus09 View Post
Solid looking tune.
you think?? no way id leave the shop with a loss in TQ at 3900 like its doing. theres knock or something going on there and that ant solid.

PS i might as well just say this...Mustangs mean nothing! they are 100% more corruptable than any other dyno out there. OP if you can a log from 2k to 6k we could see whats up.
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Old 03-01-2012, 10:46 PM   #20
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Really? Look at the boost curve it tapers hard which is gonna happen on that turbo and torque follows that
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Old 03-01-2012, 11:12 PM   #21
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I'm just going to say it. Nimbus, your post makes you sound like a douchebag.

No reason to not make your posts more relevant. Either you speak like this everyday and you annoy the **** out of everyone, or you're trying too hard for an internet forum.
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Old 03-01-2012, 11:57 PM   #22
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Quote:
Originally Posted by NW2TONE View Post
Really? Look at the boost curve it tapers hard which is gonna happen on that turbo and torque follows that

umm i dont see boost tapering, i see it rising the whole time. and since AFR right there is dropping to 11.2 where it should be that only means one thing, to much timing there and its knocking. you shouldnt knock at 11.2 AFR unless timing is to high.

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Old 03-02-2012, 01:15 AM   #23
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I have mentioned this in another thread. 09+ WRX tend to have a flat spot at 4000rpm.

Below is boost and ignition data from a 2011 WRX running 94 octane gas so there was no knock in the pull. Note the boost numbers at 3600, 4000, and 4250rpm. Elevation here is ~3500' ASL.


This is the torque plot from the same pull. Boost is higher at 4000rpm but torque is higher at 4250, even though boost is lower by 1psi.
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Old 03-02-2012, 03:13 AM   #24
Black07STiGuy
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Anyone know what's up with all the new members who go around and post blank pictures? Ie the post above mine.
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Old 03-02-2012, 08:39 AM   #25
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Airboy is a "newer member"? Lol.

It's just your computer. I see all the pictures in this thread.
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