Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB

Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB (https://www.ft86club.com/forums/index.php)
-   Engine, Exhaust, Transmission (https://www.ft86club.com/forums/forumdisplay.php?f=8)
-   -   Confirmed Torsen Differential (https://www.ft86club.com/forums/showthread.php?t=2625)

Andy 12-03-2011 06:29 AM

Confirmed Torsen Differential
 
I'm happy about this!

"Good news! :) Toyota 86 will feature Torsen LSD and gearbox is from Toyota Altezza / Lexus IS (automatic from IS-F), so we already have tons of spare parts. Almost all suspension is the same as Impreza"

KAuss 12-03-2011 08:07 AM

Me gusta torsen...

torquemada 12-03-2011 09:37 AM

the automatic in the IS-F has eight gears

http://en.wikipedia.org/wiki/Lexus_IS_(XE20)#IS_F_SPDS

I´m pretty sure they mean IS 250 or IS 350

Silverpike 12-03-2011 05:57 PM

I want to know if they are using the Subaru r160/r180 diffs. If so, then we will have plenty of aftermarket support out of the box.

Dark 12-03-2011 06:07 PM

Quote:

Originally Posted by torquemada (Post 89295)
the automatic in the IS-F has eight gears

http://en.wikipedia.org/wiki/Lexus_IS_(XE20)#IS_F_SPDS

I´m pretty sure they mean IS 250 or IS 350

If the auto is from ISx50, this car fail so bad. It's slow(lag), and unresponsive. From what I have heard, the 6spd auto is based on 8spd from IS-F. The one similar if not the same as 2013 GS.
Manual one is based off IS300's tranny, but I think the one in FR-S/BRZ is upgraded version.

Ryephile 12-03-2011 06:12 PM

Cool.

If it's an existing diff that gives more opportunity for aftermarket options like OS Giken, Quaife, or whatever you prefer.

old greg 12-03-2011 06:33 PM

Quote:

Originally Posted by Silverpike (Post 89663)
I want to know if they are using the Subaru r160/r180 diffs. If so, then we will have plenty of aftermarket support out of the box.

I seem to recall it being mentioned to be Toyota piece, but I could be wrong. It wouldn't be an R160 or R180 though, those are much too weak for a RWD car. They are Nissan diffs, and the last time either of them was used in a rwd production car was the 510 and the original 240z respectively. If they were going to use a Nissan diff, the obvious choice would be the R200 (silvia/240sx, n/a 300z) as it is quite strong, and is an easy transplant into the Impreza rear subframe.

tranzformer 12-03-2011 06:44 PM

This is great news.

Silverpike 12-03-2011 06:55 PM

Quote:

Originally Posted by old greg (Post 89709)
I seem to recall it being mentioned to be Toyota piece, but I could be wrong. It wouldn't be an R160 or R180 though, those are much too weak for a RWD car. They are Nissan diffs, and the last time either of them was used in a rwd production car was the 510 and the original 240z respectively. If they were going to use a Nissan diff, the obvious choice would be the R200 (silvia/240sx, n/a 300z) as it is quite strong, and is an easy transplant into the Impreza rear subframe.

If by "easy transplant" you mean hours of cutting, welding, and relocation, then yes. :D

I don't really care if it's a Subaru piece, I'm just looking for reliability and aftermarket compatibility.

old greg 12-03-2011 07:11 PM

Quote:

Originally Posted by Silverpike (Post 89724)
If by "easy transplant" you mean hours of cutting, welding, and relocation, then yes. :D

My mistake. I knew the mounting points were the same, but didn't realize there were clearance issues.

Kostamojen 12-03-2011 07:54 PM

Quote:

Originally Posted by Silverpike (Post 89663)
I want to know if they are using the Subaru r160/r180 diffs.

Its neither:

http://photos.motoiq.com/MotoIQ/Proj...060325-2-M.jpg

I'm not sure exactly what it is, but folks on that MotoIQ page said its from an IS350 or something. Is that an R200?

old greg 12-03-2011 09:03 PM

I've been doing a bit of reading.

The pumpkin is from the IS, but the differential itself is very likely to be the same one that comes in the IS-F. The IS-250/350 have open diffs as far as I can tell, while the ISF comes with a torsen. Aftermarket-wise, there are currently replacements available from OS Giken and Tom's. And if the ring/pinion gears are as strong as those in the IS's, there shouldn't be any need to worry about it's strength.

LeeT 12-03-2011 10:53 PM

I'm very happy about the Torsen.

viking84 12-04-2011 06:34 AM

My first post here :) I actually just joined to ask what kind of diff this car will have - really good news about the Torsen! I assume this will be the same for both variants (BRZ and GT-86)?

I currently drive a BMW 1-series coupe (120d), and fitting a Quaife diff in it last year completely transformed the car! Made this vid right after the run-in period was over, hopefully the GT-86 will be at least as happy to powerslide ;)
[U2b]fLFupcWTdAs[/U2b]


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