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Old 03-11-2021, 05:26 PM   #715
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How would you feel if all BRZs were equipped with open differentials, in case you wanted to fix this you would have to change two of them and only BRZ tS (track package) was the model equipped with Torsen? This is the real situation with GR Yaris.
Would save some people money to buy real diffs with, like the racecar spec they had in Japan.
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Old 03-11-2021, 10:32 PM   #716
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Would save some people money to buy real diffs with, like the racecar spec they had in Japan.
Not everyone needs a "racecar" and not everyone will go into that detail of modification. Thing is that they are using GR Yaris to sell homologation marketing bs, when at the same time the majority of these cars will stay with open diffs.
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Old 03-16-2021, 11:14 AM   #717
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Remember when people used to complain about the 2ZZ in the Celica GTS being fragile, bending valves and exploding oil pumps? Well, I guess things have not changed a lot. Toyota still has not figured out how to eliminate malfunctioning operators and the dreaded "money shift".

Toyota GR Yaris


https://www.msn.com/en-us/autos/enth...rO2?li=BBnb4R5
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Old 03-16-2021, 11:57 AM   #718
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Wanna see the GR Yaris motor outside the engine bay?

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Old 03-17-2021, 08:33 AM   #719
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Old 03-17-2021, 10:07 AM   #720
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Remember when people used to complain about the 2ZZ in the Celica GTS being fragile, bending valves and exploding oil pumps? Well, I guess things have not changed a lot. Toyota still has not figured out how to eliminate malfunctioning operators and the dreaded "money shift".

Toyota GR Yaris


https://www.msn.com/en-us/autos/enth...rO2?li=BBnb4R5
Its fragile because someone miss-shifted and went from 5th to second at a track day?
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Old 03-17-2021, 01:35 PM   #721
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Its fragile because someone miss-shifted and went from 5th to second at a track day?
Such miss-shifts are for sure not a good thing, but certainly they are not that un-common in a MT car. The specific car's ECU log showed that it didn't even hit the rev-limiter, because the driver was quick enough to depress the clutch. In general, we could say that he had bad luck. If such cases start to grow and appear more and more often, then ...
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Old 03-17-2021, 02:40 PM   #722
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Remember when people used to complain about the 2ZZ in the Celica GTS being fragile, bending valves and exploding oil pumps? Well, I guess things have not changed a lot. Toyota still has not figured out how to eliminate malfunctioning operators and the dreaded "money shift".

Toyota GR Yaris


https://www.msn.com/en-us/autos/enth...rO2?li=BBnb4R5
That's why they used a Subaru engine in their "proper" sports car...
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Old 03-17-2021, 02:51 PM   #723
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Such miss-shifts are for sure not a good thing, but certainly they are not that un-common in a MT car. The specific car's ECU log showed that it didn't even hit the rev-limiter, because the driver was quick enough to depress the clutch. In general, we could say that he had bad luck. If such cases start to grow and appear more and more often, then ...
A mechanical overrev still happened and engine damage occurred because of it, not because the engine was fragile....

Especially since it sounded like he did a few more laps after the misshift occured...and the engine didnt fail until he took it to the track the next day.
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Old 03-17-2021, 07:38 PM   #724
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Its fragile because someone miss-shifted and went from 5th to second at a track day?
My post was a bit tongue in cheek. No one can build a car that will survive a driver error like downshifting 3 gears instead of one. Well, that is, unless they eliminate manual transmission which they are well on the way to doing in most performance applications.

There was nothing really wrong with the 2ZZ if driven, prepared and maintained properly either.
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Old 03-17-2021, 08:15 PM   #725
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A mechanical overrev still happened and engine damage occurred because of it, not because the engine was fragile....

Especially since it sounded like he did a few more laps after the misshift occured...and the engine didnt fail until he took it to the track the next day.
No digital record of a mechanical over rev = there was no mechanical over rev, the sensors would absolutely register it.

Doesn't change the fact that the user shocked the drivetrain which caused damage to the valvetrain.

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There was nothing really wrong with the 2ZZ if driven, prepared and maintained properly either.
yeah it was the cats fault!
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Old 03-18-2021, 09:27 PM   #726
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Old 03-19-2021, 12:31 AM   #727
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That's why they used a Subaru engine in their "proper" sports car...
Exactly!

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Old 03-19-2021, 10:20 AM   #728
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yeah it was the cats fault!
That was the 1ZZ.
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