 Anyone tried a Subaru CVT?, (In a non-subaru car) |
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| DahlbergDiver |
 Apr 24 2023, 08:59 AM
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#1
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Newbie  Group: Members Posts: 10 Joined: 15-December 21 From: Michigan Member No.: 26,170 Region Association: Upper MidWest  |
This might be a kinda dumb question, but can a Subaru CVT work in a conversion? Not talking about fitment or mounting it or anything like that, but could it possibly work outside of the donor car? I would think that they're electronically controlled, but I can't find any info on this anywhere online. Apparently Im the only guy thay wants to switch from manual to auto.
I'm happy I switched to subaru in my 914 and I'm now swapping a Subaru into my sand rail. I really like the idea of having a cvt in it. Thought I'd ask this here since there's a lot of subaru guys on this forum. Surely someone besides me has considered this. |
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Replies(1 - 7)
| technicalninja |
Apr 24 2023, 09:15 AM
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#2
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Senior Member Group: Members Posts: 1,381 Joined: 31-January 23 From: Granbury Texas Member No.: 27,135 Region Association: Southwest Region 
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I'd take the entire engine/trans package with wiring harness and ecu to make that work.
I have yet to see a CVT that I would consider "robust" and advise my appliance car customers to AVOID them if at all possible. Toyota was the last OEM to change to a CVT and the Toyota version has a normal auto trans first gear and then they switch to the CVT pack. Juries still out on reliability but 1st gear is the hardest on the CVT pack and after watching others for 2 decades Toyota decided to make a hybrid auto/cvt where everyone else does not... The very worst ones are all made by Jatco. Nissans and Dodges had them and they are complete trash. I'm not familiar with the Subi version but I don't trust CVTs at all. I'd take an old school auto over a CVT every time... |
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| brant |
Apr 24 2023, 09:24 AM
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#3
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914 Wizard Group: Members Posts: 11,641 Joined: 30-December 02 From: Colorado Member No.: 47 Region Association: Rocky Mountains 
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I have seen so many CVT's with failure or problems
I just try to never go near one. but getting harder to find any car these days without one. brant |
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| DahlbergDiver |
Apr 24 2023, 09:51 AM
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#4
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Newbie Group: Members Posts: 10 Joined: 15-December 21 From: Michigan Member No.: 26,170 Region Association: Upper MidWest |
I'm not concerned with reliability or longevity. I just wanna figure out if this is gonna work without it being a wiring nightmare. CVT's are very plentiful in the junkyards near me whereas manual transaxles are not. Also, a CVT is just plain nicer to drive off road. ((In my opinion))
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| flipb |
Apr 24 2023, 10:01 AM
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#5
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Senior Member Group: Members Posts: 1,731 Joined: 2-September 09 From: Fairfax, VA Member No.: 10,752 Region Association: MidAtlantic Region
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My wife's DD was a Nissan with CVT for nearly ten years. We traded it in before any reliability problems arose.
Honestly, modern CVTs make for a great driving experience. We replaced it with a crossover with 8-spd auto and it definitely feels like a step backwards. Particularly when you want to accelerate... CVT smoothly got you into the power band, whereas the AT has delayed, jerky downshifts. Unfortunately I've got no technical advice here but it's an interesting application. Assuming you aren't going to put a hundred thousand miles on the 914 (and it weighs far less than any modern Subaru), the light-duty application might be well suited. |
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| VaccaRabite |
Apr 24 2023, 11:06 AM
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#6
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En Garde! Group: Admin Posts: 13,465 Joined: 15-December 03 From: Dallastown, PA Member No.: 1,435 Region Association: MidAtlantic Region |
With Subaru being AWD, I'd imagine you would need to modify the CVT. Also, IIRC, they are REALLY long. I'm guessing its more trouble then its worth. I know megesquirt makes a transmission controller as well, but you would probably want the wire harness and ECU from the donor car. I don't know if there is a piggyback ecu for the CVT, or if its all managed though the engine ECU.
I do know that almost all the performance guys that like Subaru dislike the CVT. Passionately. Zach |
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| 76-914 |
Apr 24 2023, 11:30 AM
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#7
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Repeat Offender & Resident Subaru Antagonist Group: Members Posts: 13,513 Joined: 23-January 09 From: Temecula, CA Member No.: 9,964 Region Association: Southern California
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If you're not stuck on CV and just want an automatic use the Subaru AT with the Subaru Gears modification. You could pair the AT & engine (if you wanted to) if you installed the OEM TCU. (IMG:style_emoticons/default/beerchug.gif)
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| DahlbergDiver |
Apr 24 2023, 12:49 PM
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#8
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Newbie Group: Members Posts: 10 Joined: 15-December 21 From: Michigan Member No.: 26,170 Region Association: Upper MidWest |
Well I think it sounds like it's going to be more work than it's worth. Maybe it's possible, and I do think it would be nice, but I guess I am not gonna be the guy to pioneer it. I checked the Megasquirt forums to see if anyone has been programming the CVT with it since that's what I'm using in my build. Looks like it hasn't been attempted yet. For now I think I'm gonna get a Legacy 3.6 and see if it bolts up to my Forester 6MT. Can't find any Legacy manual transmissions anywhere close to me, just CVT.
Thank you guys for your replies. (IMG:style_emoticons/default/smile.gif) |
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