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GR86 General Topics (2nd Gen 2022+ Toyota 86) General topics for the GR86 second-gen 86


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Old 11-22-2020, 06:39 PM   #1
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Slower steering ratio?

From the press release of the 2022 BRZ:

Combined with its quick 13.5:1 steering ratio, the 2022 BRZ gives drivers a smooth, direct feel for the road and a near-instantaneous response to it.

The 2020 BRZ has a 13.1:1 steering ratio. https://www.subaru.com/vehicles/brz/...p-differential

An ultra-quick 13.1:1 steering ratio provides instantaneous response to driver input and an outstanding feel for the road.

The lower the number, the quicker the steering. So the old car has a quicker steering ratio than the new car! Wonder why they would have slowed it down as the steering on the old car was close to perfect..
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Old 11-22-2020, 07:08 PM   #2
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The press release never said it had a 13.5:1 steering ratio. The engine has a 13.5:1 compression ratio.

Edit, maybe your local subaru press release is different than ours. That would be really weird if they had the same compression ratio as steering ratio...
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Old 11-22-2020, 07:16 PM   #3
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Quote:
Originally Posted by Spuds View Post
The press release never said it had a 13.5:1 steering ratio. The engine has a 13.5:1 compression ratio.

Edit, maybe your local subaru press release is different than ours. That would be really weird if they had the same compression ratio as steering ratio...
Yes it does. https://www.subaru.com/2022-brz
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Old 11-22-2020, 07:19 PM   #4
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Quote:
Originally Posted by Spuds View Post
The press release never said it had a 13.5:1 steering ratio. The engine has a 13.5:1 compression ratio.

Edit, maybe your local subaru press release is different than ours. That would be really weird if they had the same compression ratio as steering ratio...
https://www.guideautoweb.com/en/arti....5%3A1%20ratio.

straight from subaru's launch page:
https://www.subaru.com/2022-brz
Quote:
Outstanding Response and Road Feel
The chassis and body of the BRZ have been reengineered for lighter weight, an even lower center of gravity, 50% increased torsional rigidity, and 60% increased front lateral rigidity. Combined with its quick 13.5:1 steering ratio, the 2022 BRZ gives drivers a smooth, direct feel for the road and a near-instantaneous response to it.

i imagine they did it because people whined about the steering being too twitchy compared to their mom's 1990 hand-me-down camry.
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Old 11-22-2020, 07:20 PM   #5
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Ah it does on the product page, but not the press release:
https://media.subaru.com/pressreleas...s-global-debut
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Old 11-22-2020, 07:28 PM   #6
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Anyway, I wonder if the 1st gen rack will be compatible with the 2nd gen for a better ratio...
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Old 11-22-2020, 07:31 PM   #7
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i imagine they did it because people whined about the steering being too twitchy compared to their mom's 1990 hand-me-down camry.
My wife's 17 Impreza had the 13.1 steering and it was indeed twitchy where I never felt that with the FRS. Thought maybe they went to a 13.5 on the 2020 Impreza and just parts binned the New BRZ from there. Looked it up and the new Impreza is actually now a 13.0:1. They went the other way! Odd.

It is sort of strange (not impossible still strange) that the steering ratio is listed the same as the compression ratio. Maybe one is wrong?
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Old 11-22-2020, 07:32 PM   #8
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Anyway, I wonder if the 1st gen rack will be compatible with the 2nd gen for a better ratio...
Probably not worth the swap since the difference will be minimal as far as feel goes.
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Old 11-22-2020, 07:42 PM   #9
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Ratio isnít everything either. Is there any info on wether maximum steering angle is the same?
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Old 11-22-2020, 07:44 PM   #10
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Ratio isnít everything either. Is there any info on wether maximum steering angle is the same?
Nothing of that sort of detail yet.
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Old 12-05-2020, 01:44 PM   #11
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https://www.guideautoweb.com/en/arti....5%3A1%20ratio.

straight from subaru's launch page:
https://www.subaru.com/2022-brz



i imagine they did it because people whined about the steering being too twitchy compared to their mom's 1990 hand-me-down camry.

Itís not twitchy at all, itís near perfection. And I donít see Toyota/Subaru messing with that.


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Old 12-05-2020, 09:36 PM   #12
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Even though when it came out it was the best electric steering I'd experienced to date - I assumed any twitchiness it did have came from that, not so much the ratio. That and wider tires that make it tramline a bit.
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Old 12-13-2020, 05:40 PM   #13
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And I donít see Toyota/Subaru messing with that.


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The ratio is different and surprisingly the marketing description is changed, they did something.
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Old 12-14-2020, 03:12 PM   #14
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Lots of things they could change to keep a similar 'feel', for instance I can imagine a hacky solution to the eps overheating/shutting down is to reduce caster to reduce the load on the electric motor which would make the car even twitchier so reduce the steering ratio to compensate. It'll lose a bit of self centering action which could make the car less driftable and caster helps in cornering keeping the tire flatter to counteract body roll so even less front grip then the old car which
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