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Old 05-21-2018, 01:30 AM   #1
gmhl10
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Default 2015+ STi vs. 2018 STi Type RA Steering Rack

Anybody realize that the part numbers are different?


https://parts.subaru.com/p/Subaru_20...4110VA140.html


34110VA120 (2015+ STi) vs 34110VA140 (2018 STi Type RA).
I wonder if it's a more direct steering ratio...
I wonder if it'll fit on my GV without modification like the 15+ STi rack~~~
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Old 05-21-2018, 04:55 PM   #2
T-37
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Interesting. $50 difference in MSRP.
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Old 05-22-2018, 01:19 PM   #3
tominator19
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also, why are there yet two more different part numbers for a non-Type RA 2018 STI?

34110VA130
34110VA131

page for the steering stuff for a 2018 STI:
https://parts.citysidesubaru.com/a/S...10-347-03.html

Then, if you go to the individual part pages, it says these two only fit 2018 STIs.
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Old 05-22-2018, 01:28 PM   #4
tominator19
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side note: apparently the S207 and S208 STIs in Japan have an 11:1 ratio rack as opposed to what I believe is 13:1 in the other 2015+ STIs

Last edited by tominator19; 05-22-2018 at 03:57 PM. Reason: 13:1, not 13.1:1
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Old 05-22-2018, 03:53 PM   #5
kenliu84
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so confused, yet so interesting
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Old 05-22-2018, 04:02 PM   #6
tominator19
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I asked about it here:

http://legacygt.com/forums/showthrea...234351p25.html

and, according to post #1322 here:
https://forums.nasioc.com/forums/sho...php?p=45521736

the rack itself doesn't seem to be different from that of the regular STI. We'll have to pull some different strings if we're going to get our hands on a 11:1 rack.
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Old 05-23-2018, 01:46 PM   #7
tominator19
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Quote:
Originally Posted by tominator19 View Post
I asked about it here:

http://legacygt.com/forums/showthrea...234351p25.html

and, according to post #1322 here:
https://forums.nasioc.com/forums/sho...php?p=45521736

the rack itself doesn't seem to be different from that of the regular STI. We'll have to pull some different strings if we're going to get our hands on a 11:1 rack.
My dumb ass didn't realize that the 11:1 rack for only the JDM S207 and S208 would be right-hand drive, which isn't super compatible with left-hand drive cars.
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Old 05-23-2018, 05:32 PM   #8
tominator19
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I got in touch with Subaru of America and they confirmed that the Type RA has a 13:1 rack:

"Thank you for contacting Subaru of America, Inc.

We appreciate you taking time out of your day to contact us.

The 2018 STI RA features a 13:1 steering ratio.

Thanks for the opportunity to be of assistance."
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Old 05-27-2018, 09:53 PM   #9
gmhl10
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So I found this:

https://www.google.com/url?sa=t&rct=...As3UXQf71NWiEa

It's a spec sheet for the Type RA.
Says it's a 13.3:1 ratio.
So if the 15+ STi is 13.0:1, then did it in fact become less direct?!?!
Or is the document lying? Hmmm~~~~
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