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BRZ Second-Gen (2022+) -- General Topics General topics for the second-gen BRZ


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Old 12-01-2021, 02:48 PM   #15
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Hmm, what's the purpose of the 1000 miles break in which is in the manual then? I'm just curious.
Likely, to prevent people from breaking things while they're still getting their supply chain together to support the platform. (I.E. having stock of parts to do repairs)
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Old 12-01-2021, 03:11 PM   #16
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There's a middle ground to respect

Like letting it warm up first
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Old 12-01-2021, 05:14 PM   #17
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For shits and giggles what does a stock speed 3 put down on this dyno? Wondering how this compares to my old cars.
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Old 12-01-2021, 05:23 PM   #18
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The potentially higher flow intake manifold looks promising.

Any idea if the AF runs in full time closed loop?

What octane was the car on? Think there was potentially some knock/timing retard?

How does the OEM header look? Any large kinks and/or potential for better flow headers?

Do we know if Ecutek is currently working on unlocking the ecu?
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Old 12-01-2021, 07:26 PM   #19
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...How does the OEM header look? Any large kinks and/or potential for better flow headers?
Yes, removing the cat =D
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Old 12-01-2021, 10:34 PM   #20
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The potentially higher flow intake manifold looks promising.

Any idea if the AF runs in full time closed loop?

What octane was the car on? Think there was potentially some knock/timing retard?

How does the OEM header look? Any large kinks and/or potential for better flow headers?

Do we know if Ecutek is currently working on unlocking the ecu?
He said in the video the 22 is running less timing than he expected and a decent bit less than the 1st gen.

Also, I EcuTek isn’t working yet for the new car.
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Old 12-02-2021, 12:57 AM   #21
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He said in the video the 22 is running less timing than he expected and a decent bit less than the 1st gen.

Also, I EcuTek isn’t working yet for the new car.
It's possible there's a little bit of knock. Hard to know without seeing the knock sensor data.

Would like to know if this was on 91 or 93.
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Old 12-02-2021, 01:33 AM   #22
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For shits and giggles what does a stock speed 3 put down on this dyno? Wondering how this compares to my old cars.

It's hard to find a stock speed3 these days but a stock STI will be in the 225-235whp range
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Old 12-02-2021, 01:36 AM   #23
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The potentially higher flow intake manifold looks promising.

Any idea if the AF runs in full time closed loop?

What octane was the car on? Think there was potentially some knock/timing retard?

How does the OEM header look? Any large kinks and/or potential for better flow headers?

Do we know if Ecutek is currently working on unlocking the ecu?

I am going to do more testing on the manifolds on the car. More to come there.



The car is on our 93 ... however we have some of the worst fuel in North America. That being said I don't think the car was knocking and being NA is less prone to it. the Gen1 tuned can run more timing than the Gen2 on the stock tune on the same fuel so it's promising.



EcuTek is working on it as we speak.


The long term fuel trims were active all the way to redline but the short term were not.
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Old 12-02-2021, 09:12 AM   #24
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Man, turboing a gen 1 is a very hard argument to make in light of how much power gen 2 makes, then if it also picks up 15-25whp with a tune and better fuel???

OOF.
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Old 12-02-2021, 11:41 AM   #25
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What header was on the car?

And what tune? OTS? Custom? etc.

Apologies if it mentions that, I don't have time to watch that right now. I'm in a small break from like 7 hours of meetings today.
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Old 12-02-2021, 11:49 AM   #26
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Man, turboing a gen 1 is a very hard argument to make in light of how much power gen 2 makes, then if it also picks up 15-25whp with a tune and better fuel???

OOF.

Mmh well no. The turbo Gen1 dyno in that video is having concerning issues if it is indeed running 12lbs of boost and making under 240whp and under 200ft/tq. LOL We have plenty of data for FI FA20s at this point with that result being an outlier.

I don't buy that this dyno reads 14% lower than a Dynojet either. Mustang dynos read whatever the operator wants..That tuned Gen1 would be making over 200whp on pump gas if that was the case and the Gen2 245whp which doesn't happen on Dynojets... It reads like a Mustang dyno calibrated to deliver result similar to a Dynojet with SAE correction factor.

Another strong showing for the Gen2 regardless. Its the NA engine the car needed along.
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Old 12-02-2021, 11:54 AM   #27
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Originally Posted by Strat_FRS View Post
I am going to do more testing on the manifolds on the car. More to come there.



The car is on our 93 ... however we have some of the worst fuel in North America. That being said I don't think the car was knocking and being NA is less prone to it. the Gen1 tuned can run more timing than the Gen2 on the stock tune on the same fuel so it's promising.



EcuTek is working on it as we speak.


The long term fuel trims were active all the way to redline but the short term were not.
Short term being inactive means it’s in open loop during WOT, correct?

If that’s the case, it doesn’t look like you can add a bit of e85 to boost the octane without affecting AFR too much.
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Old 12-02-2021, 02:38 PM   #28
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Mmh well no. The turbo Gen1 dyno in that video is having concerning issues if it is indeed running 12lbs of boost and making under 240whp and under 200ft/tq. LOL We have plenty of data for FI FA20s at this point with that result being an outlier.

I don't buy that this dyno reads 14% lower than a Dynojet either. Mustang dynos read whatever the operator wants..That tuned Gen1 would be making over 200whp on pump gas if that was the case and the Gen2 245whp which doesn't happen on Dynojets... It reads like a Mustang dyno calibrated to deliver result similar to a Dynojet with SAE correction factor.

Another strong showing for the Gen2 regardless. Its the NA engine the car needed along.
While the turbo does look weak, a reasonably tuned SC/Turbo gen 1 is ~260-280whp. If the gen2 can hit 230-240whp with minor mods for me it makes a FI gen 1 a hard argument to make when you also look at the worse reliability profile.
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