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Forum: BRZ Second-Gen (2022+) -- General Topics 02-14-2022, 02:45 PM
Replies: 114
Views: 14,828
Posted By Baldeagle
https://www.youtube.com/watch?v=6TSPMmAdXU8 ...

https://www.youtube.com/watch?v=6TSPMmAdXU8


Start at 2m 30s into the video…..
Forum: BRZ Second-Gen (2022+) -- General Topics 12-14-2021, 10:45 AM
Replies: 588
Views: 174,332
Posted By Baldeagle
Just saw your Youtube video. Not sure if you...

Just saw your Youtube video. Not sure if you posted it on this forum, but just wanted to compliment you on it. Well done.
Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86) 12-01-2021, 01:24 PM
Replies: 40
Views: 8,908
Posted By Baldeagle
Let me throw another variable into this equation....

Let me throw another variable into this equation. When the EPA tests a MT car, I believe it MUST use the shift points recommended in the owners manual. As you can see below, the 2022 manual suggest...
Forum: BRZ Second-Gen (2022+) -- General Topics 11-23-2021, 03:50 PM
Replies: 283
Views: 63,581
Posted By Baldeagle
I certainly appreciate all this. ZDAN, thank...

I certainly appreciate all this. ZDAN, thank you. Dzmitry, excellent video recommendation. I get how being in the powerband for longer has a benefit. That is essentially what Zdan said too,...
Forum: BRZ Second-Gen (2022+) -- General Topics 11-23-2021, 12:57 PM
Replies: 283
Views: 63,581
Posted By Baldeagle
Are you sure about this? Consider this logic: ...

Are you sure about this? Consider this logic:

With a 4.1 final, at 7,500 rpm:

1st goes 37 mph, 2nd goes 64 mph, 3rd goes 88 mph and 4th goes 120 mph

With a 4.3 final, at 7,500 rpm:

1st...
Forum: BRZ Second-Gen (2022+) -- General Topics 11-23-2021, 09:42 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
Respectfully disagree. To accomplish the same...

Respectfully disagree. To accomplish the same amount of work with 4.8% less torque multiplication means it needs about 4.8% more torque/hp. Using the original HP value from the formula, the 2022 BRZ...
Forum: BRZ Second-Gen (2022+) -- General Topics 11-23-2021, 08:46 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
I also think quarter mile trap speed is the best...

I also think quarter mile trap speed is the best gauge for actual road power. Given a 20% increase in displacement, a 20% increase in power seems extremely reasonable. There are a number of online...
Forum: BRZ Second-Gen (2022+) -- General Topics 11-08-2021, 04:04 PM
Replies: 283
Views: 63,581
Posted By Baldeagle
Short answer: Yes Longer answer: You cannot...

Short answer: Yes

Longer answer: You cannot measure HP. It is impossible. You can only measure the amount of twist the wheels apply to the drum roller at every rpm. That twisting force is wheel...
Forum: BRZ Second-Gen (2022+) -- General Topics 11-03-2021, 07:23 AM
Replies: 119
Views: 21,110
Posted By Baldeagle
To those interested, I found my problem. I never...

To those interested, I found my problem. I never created new curves based on the new numbers. Duh. This is a VERY crude estimate of the Model S’s power curve in terms of lbs-ft and hp. And yes, T...
Forum: BRZ Second-Gen (2022+) -- General Topics 11-02-2021, 08:26 PM
Replies: 119
Views: 21,110
Posted By Baldeagle
You are consistent in that you value light weight...

You are consistent in that you value light weight handling over “big” power. Know thyself. At 7,000 ft, 228hp will become about 180 hp. In a 2,850 pound car, it may not be underpowered and still...
Forum: BRZ Second-Gen (2022+) -- General Topics 10-27-2021, 09:31 AM
Replies: 7
Views: 5,804
Posted By Baldeagle
I believe Porsche still recommends a 2,000 mile...

I believe Porsche still recommends a 2,000 mile break-in period. If I recall, the reason was less about rpm and more about heat cycles. The concern was going right to maximum “race-heat” metal...
Forum: BRZ Second-Gen (2022+) -- General Topics 10-26-2021, 09:23 AM
Replies: 35
Views: 8,639
Posted By Baldeagle
While not as powerful as a 400Z or Mustang, a GTI...

While not as powerful as a 400Z or Mustang, a GTI is precise, peppy and fun. Like your Mazda, it can also carry bikes. As I’m sure you know, the GTI is still one of the few cars that offers a 6MT. ...
Forum: BRZ Second-Gen (2022+) -- General Topics 10-25-2021, 02:10 PM
Replies: 283
Views: 63,581
Posted By Baldeagle
Why is this graph is labelled “FlyWheel Power...

Why is this graph is labelled “FlyWheel Power Graph.” Flywheel and Crank are the same thing. Dynos obviously measure wheel torque. Regardless of the label and actual output, the headers added some...
Forum: BRZ Second-Gen (2022+) -- General Topics 10-25-2021, 09:25 AM
Replies: 62
Views: 12,986
Posted By Baldeagle
Stock auto BRZ driven softly around town verses a...

Stock auto BRZ driven softly around town verses a modded S2000 driven aggressively on a twisty road? Which experience is more exciting? This guy just wanted to stroke himself and talk about HIS...
Forum: BRZ Second-Gen (2022+) -- General Topics 10-25-2021, 09:17 AM
Replies: 30
Views: 7,519
Posted By Baldeagle
The increase in sidewall flex (17s v 18s) and...

The increase in sidewall flex (17s v 18s) and that effect on turn-in will be minimal. The 17s will weigh a few pounds less, which will reduce unsprung-weight and improve handling. To what degree, I...
Forum: BRZ Second-Gen (2022+) -- General Topics 10-18-2021, 05:39 PM
Replies: 35
Views: 8,639
Posted By Baldeagle
I agree with your math. With 215/40-18 tires, a...

I agree with your math. With 215/40-18 tires, a .77:1 6th gear ratio and a 4.10 final drive, I calculate 2,560 rpm at 60 mph, 2,987 rpm at 70 mph and 3,413 rpm at 80 mph.
Forum: BRZ Second-Gen (2022+) -- General Topics 09-26-2021, 11:54 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
Yeah, I may recant part of my previous post. ...

Yeah, I may recant part of my previous post. Below is a dyno of a 2017+ Toyota Camry 2.5 engine. The red line shows the stock output. It achieved peak torque of 236 Nm (174 lbs-ft) of torque at...
Forum: BRZ Second-Gen (2022+) -- General Topics 09-25-2021, 09:16 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
Still shocked at the 13% decrease in torque from...

Still shocked at the 13% decrease in torque from ≈3,400 rpm to ≈ 4,300 rpm.
Forum: BRZ Second-Gen (2022+) -- General Topics 09-16-2021, 10:22 PM
Replies: 146
Views: 30,301
Posted By Baldeagle
If Subaru learns you raced the car, isn’t the...

If Subaru learns you raced the car, isn’t the 5W30 oil a moot point?

https://www.subaru.com/owners/vehicle-warranty/warranties-2020.html

“Damage Caused Due to Use of Vehicle in Competitive...
Forum: BRZ Second-Gen (2022+) -- General Topics 09-15-2021, 04:16 PM
Replies: 152
Views: 30,965
Posted By Baldeagle
This thought could easily highjack the thread. ...

This thought could easily highjack the thread. Would a typical EV car benefit from having gears? Didn’t Tesla once use a 2 speed? What is the shape of an EV torque curve? What is the rpm range? ...
Forum: GR86 General Topics (2nd Gen 2022+ Toyota 86) 09-10-2021, 08:15 AM
Replies: 34
Views: 6,594
Posted By Baldeagle
Perhaps because they were soft off the line and...

Perhaps because they were soft off the line and used slow shifts? Massive difference between a 4,500 rpm launch with clutch slip (never letting the rpm fall below 4,500 rpm) and a 2,000 rpm launch...
Forum: BRZ Second-Gen (2022+) -- General Topics 09-08-2021, 11:11 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
https://www.ft86club.com/forums/showthread.php?t=2...

https://www.ft86club.com/forums/showthread.php?t=27534

The link above confirms what you stated about a 1st gen twin. It also shows a meaningful difference between a 4th gear and a 5th gear run. ...
Forum: BRZ Second-Gen (2022+) -- General Topics 09-08-2021, 10:34 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
https://www.youtube.com/watch?v=ZsTc2rhipwk ...

https://www.youtube.com/watch?v=ZsTc2rhipwk

I have NO idea where this person obtained his info. But at 4:37 into the video he states:

“Yes it still has a torque dip, but instead of losing...
Forum: BRZ Second-Gen (2022+) -- General Topics 09-08-2021, 09:56 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
And that large discrepancy gives me reason to...

And that large discrepancy gives me reason to question those two dynos. Could they be inaccurate? Rarely does the shape of a stock torque curve deviate from the manufacture's claims. Peak values,...
Forum: BRZ Second-Gen (2022+) -- General Topics 09-08-2021, 08:53 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
You are 100% correct that Subaru and Toyota...

You are 100% correct that Subaru and Toyota purport facts. No lies told. But by emphasizing “peak torque now occurs at 3,700 rpm” without full context, is marketing exploiting that fact to help us...
Forum: BRZ Second-Gen (2022+) -- General Topics 09-07-2021, 03:35 PM
Replies: 283
Views: 63,581
Posted By Baldeagle
Caveat emptor.

Caveat emptor.
Forum: BRZ Second-Gen (2022+) -- General Topics 09-05-2021, 09:19 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
Been said already. The 2.4’s torque curve has...

Been said already. The 2.4’s torque curve has nearly the exact same shape as the 2.0’s, just shifted higher because of the greater displacement. I find the marketing hype to be disingenuous. All...
Forum: BRZ Second-Gen (2022+) -- General Topics 09-03-2021, 08:52 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
What does a higher quality header (with cat),...

What does a higher quality header (with cat), plus labor plus a quality tune cost?
Forum: BRZ Second-Gen (2022+) -- General Topics 09-02-2021, 08:56 AM
Replies: 283
Views: 63,581
Posted By Baldeagle
Only a test drive will confirm our speculations. ...

Only a test drive will confirm our speculations. But to add to our speculation, I threw together a very quick spreadsheet to show speed in gears and different shift points. In my current 2.0T-6MT...
Forum: BRZ Second-Gen (2022+) -- General Topics 09-01-2021, 01:26 PM
Replies: 283
Views: 63,581
Posted By Baldeagle
You are probably correct. That ping is probably...

You are probably correct. That ping is probably NOT related to a rich fuel mixture. What you describe may be Low Speed Pre Ignition (LSPI).
...
Showing results 1 to 30 of 110
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