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Old 03-26-2020, 06:37 AM   #51
SVX WRX
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Quote:
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Not getting slower with each refresh would be nice.
not releasing a car before beta testing is over and then issuing 14 factory recalls would be nice.
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Old 03-26-2020, 08:04 AM   #52
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Quote:
Originally Posted by SVX WRX View Post
not releasing a car before beta testing is over and then issuing 14 factory recalls would be nice.
It would, but I try to be realistic.
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Old 03-26-2020, 10:06 AM   #53
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You want to be realistic. Go over to the STi thread about the 2.4T putting out 400 hp stock.

Peace,

Greg
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Old 03-26-2020, 10:48 AM   #54
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audis are pretty crappy cars though..
LOL what?
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Old 03-26-2020, 11:25 AM   #55
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Repair cost are high but Audi's are pure refinement.
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Old 03-27-2020, 09:58 AM   #56
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Quote:
Originally Posted by electricmarquis View Post
Repair cost are high but Audi's are pure refinement.
I love Audis, but don't want to lay out that kind of money for a new one, and don't trust them enough to buy a used one out of warranty. Great cars though.
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Old 03-27-2020, 10:50 AM   #57
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Originally Posted by Sub!eDr!ver View Post
I love Audis, but don't want to lay out that kind of money for a new one, and don't trust them enough to buy a used one out of warranty. Great cars though.
Why not CPO? Seems like whenever this new STI is released you'll be able to do a last years CPO S3 or a new STI for the same price. Then again, new STI.
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Old 03-27-2020, 12:51 PM   #58
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STI Mikey just shared his S209's dyno numbers after tuning it.

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Results are in! Car feels AWESOME on the street!! Drive-ability is NIGHT and DAY different now!! These graphs were generated from street tuning the car, both in 40* and 70*F temps. Graphs are stock / STG1 / STG 1 + ms109 comparisons. The second graph is a FBO 18STi with EL header, ETS TMIC, and fuel system. 209 lacks the torque down low but with no mods makes 50whp / 50wtq more, max, with 0 mods. Next week we'll add EL headers and a downpipe to get a true Stg2 to Stg2 comparison.
FBO '18 STI (red) vs Stage 1 S209 (blue):


S209 Stock vs Stage 1 vs Stage 1 + race fuel


Clearly Cobb's Stage 1 93 oct numbers were a little optimistic.. Looking forward to seeing his stage 2 numbers. It would be nice to see a Stage 2 comparison of the 19+ STI/RA vs S209.
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Old 03-27-2020, 04:39 PM   #59
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Quote:
Originally Posted by WRXnick16 View Post
STI Mikey just shared his S209's dyno numbers after tuning it.



FBO '18 STI (red) vs Stage 1 S209 (blue):


S209 Stock vs Stage 1 vs Stage 1 + race fuel


Clearly Cobb's Stage 1 93 oct numbers were a little optimistic.. Looking forward to seeing his stage 2 numbers. It would be nice to see a Stage 2 comparison of the 19+ STI/RA vs S209.
Is the 50whp difference between the vanilla STi and the S209 solely down to the turbo?
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Old 03-27-2020, 04:43 PM   #60
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Not trying to be rude but OTS E30 stage 1 WRX would probably pull on this tuned S209.

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Old 03-27-2020, 05:02 PM   #61
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Quote:
Originally Posted by dcsti View Post
Is the 50whp difference between the vanilla STi and the S209 solely down to the turbo?
Well in this case, the S209 has race fuel and the larger turbo, but retains the OEM downpipe. But yes, the S209 OEM power gains are from the turbo, intake, and supporting fuel system. While it makes ~50 whp more up top in this comparison, it's down over 100 wtq at 3,500 rpm.
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Old 03-27-2020, 05:11 PM   #62
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A loss of 100 wheel torque down low on an already pretty gutless motor isnít great. Itís not like it even revs out to 9000 to make up for it either.
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Old 03-28-2020, 12:10 AM   #63
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Too bad Subaru refuses to invest in ball bearing turbos for the USDM STI.....
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Old 03-28-2020, 02:46 PM   #64
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Quote:
Originally Posted by JP Chestnut View Post
A loss of 100 wheel torque down low on an already pretty gutless motor isnít great. Itís not like it even revs out to 9000 to make up for it either.
Exactly. Just not impressive at all. Not enough of a boost up top to make up for the massive loss down low. I'd rather daily a base WRX to be honest.
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Old 03-28-2020, 03:17 PM   #65
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Too bad Subaru doesn't invest in variable vane turbos...
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Old 03-28-2020, 08:20 PM   #66
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Too bad Subaru doesnít invest in electric turbos.
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Old 03-29-2020, 11:45 AM   #67
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Another stock S209 dyno. Pretty consistent with the others. This was a baseline run before they start tuning.



They seem to make ~15-20whp more than the '18 RA/19+ STI, but with peak torque coming on ~1,000-1,200 rpm later.

Last edited by WRXnick16; 03-29-2020 at 11:50 AM.
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Old 03-29-2020, 12:05 PM   #68
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For comparison:

'18 Type RA stock & stage 1 tune on Cali 91 ACN


Stock '20 STI on 93 (solid lines):


I believe the dotted lines are a comparison to a stock '18 STI.
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Old 03-29-2020, 12:09 PM   #69
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^^^ that stock Ď20 curve looks pretty good. The torque is fairly flat. I think the 2019+ STI is probably going to go down as the best of the late STIs.
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Old 03-29-2020, 12:12 PM   #70
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Wasn't there a few posters saying the 18-20 STI's are slower than previous years?
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Old 03-29-2020, 12:21 PM   #71
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Quote:
Originally Posted by RealDealTarheel View Post
Wasn't there a few posters saying the 18-20 STI's are slower than previous years?
Yeah, they seem to be. 2018 especially. However, hopefully, the engines no longer self destruct for no reason. Theyíre also nicer on the interior, so itís all a balance.
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Old 03-29-2020, 02:26 PM   #72
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I've only seen testing on the '18 STI and '18 Type RA, not the '19+ STIs.

The powerband is pretty good on my '19 STI especially considering that I'm limited to California's 91 ACN ("knocktane") for the time being. I really wish that Subaru would have given us a twin scroll, ball bearing turbo setup to modernize the EJ257 and optimize responsiveness. Luckily, I have something special being delivered from Japan to solve that

The next question will be whether to go flex fuel.. I don't want to go too far down the rabbit hole as I'm going for an OEM+ type build (what I hoped the S209 would be). But I'd also like to stay somewhat competitive with the upcoming FA24DIT STI if the rumors are true. I'd be happy to match the responsiveness and torque curve of my flex fuel FA20.

Last edited by WRXnick16; 03-29-2020 at 02:57 PM.
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Old 03-30-2020, 02:49 PM   #73
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S209 #207 is "knock"-ed down..



Just so happens it resides in California running 91 ACN.. who would have thought.

Last edited by WRXnick16; 03-30-2020 at 11:33 PM.
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Old 03-30-2020, 03:00 PM   #74
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We are not worthy of Subaru's engines.
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Old 03-30-2020, 03:06 PM   #75
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Quote:
Originally Posted by WRXnick16 View Post
S209 #207 is down



Just so happens it resides in California running 91 ACN.. who would have thought.
This is laughably sad. Subaru cant design an engine that can handle 350hp on California 91 octane.

I guess it will look great in the garage!
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