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Using a Subaru transaxle in our vehicles with stock engines?
Posted by: MattNall ()
Date: February 19, 2018 10:13AM

When I asked if a Subaru transaxle could be turned in the reverse direction, ie: mated to a Corvair engine.... I received this reply!
==========================================================

Absolutely. That is well within the capability of these transaxles.

Thank you.

-Julio M.

SubiWorks Click here for Website!
26793 Madison Ave. Suite 106
Murrieta,CA 92562
(951) 691-5679






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Edited 1 time(s). Last edit at 02/24/2018 04:42PM by MattNall.

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Re: NEWS FLASH: Subaru transaxle
Posted by: Vairismo ()
Date: February 19, 2018 11:33AM

Ok, but that means that the R&P run backwards as well? Wonder how healthy of a situation that is. Might be fine, but also may have limits.
Do they have experience with doing exactly that? Thanks for asking the question out there.

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Re: NEWS FLASH: Subaru transaxle
Posted by: MattNall ()
Date: February 19, 2018 11:43AM

Time will tell! I know of no one who has done this so my bud will do the testing for us..in landspeed..





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Re: NEWS FLASH: Subaru transaxle
Posted by: gnvair ()
Date: February 19, 2018 01:24PM

Subaru makes a reverse gear set for rotational differences. Why would they make a reverse gear set?

Lee J

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Re: NEWS FLASH: Subaru transaxle
Posted by: MattNall ()
Date: February 19, 2018 02:34PM

Let me Clarify

According to my bud... He CALLED..... they said that the later Subie transaxle with adapters and elimination of the awd part on the end of the trans....and their "short nose" could be run "as is"....and definitely be OK with 200 ft. lb or Torque....designed for much higher..





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Re: NEWS FLASH: Subaru transaxle
Posted by: Phil Dally ()
Date: February 19, 2018 02:54PM

There is possible effort underway to run this set up...stay tuned.

Rear engine reverse rotation Corvair with reverse cut ring and pinion.

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Re: NEWS FLASH: Subaru transaxle
Posted by: MattNall ()
Date: February 19, 2018 03:08PM

JDM $599 free ship!









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Edited 1 time(s). Last edit at 02/19/2018 03:09PM by MattNall.

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Re: NEWS FLASH: Subaru transaxle
Posted by: thewolfe ()
Date: February 19, 2018 03:09PM

Which transaxle are we talking about? The 5 speeds are weak and break easy. Maybe okay for corvair power but the 6 speed is much stronger.

Nate Wolfe
Portland OR
65 Corsa 180

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Re: NEWS FLASH: Subaru transaxle
Posted by: MattNall ()
Date: February 19, 2018 03:11PM

They do have reversed R&P's for 6 speeds... see websites

That's what I'm talking about 5 speed for a normal Corvair..."the average user"





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Edited 1 time(s). Last edit at 02/21/2018 10:13PM by MattNall.

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Re: NEWS FLASH: Subaru transaxle
Posted by: gnvair ()
Date: February 19, 2018 03:58PM

There are other stronger more viable options. Porsche Boxster is a good example and it doesn't need modifications to eliminate awd output. Any of them will still require $$$ invested.

Lee J

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Re: NEWS FLASH: Subaru transaxle
Posted by: MattNall ()
Date: February 19, 2018 04:23PM

Here's the adapter plate to VW...easy to make..and the Subanose for the transaxle is $200+

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Re: NEWS FLASH: Subaru transaxle
Posted by: Allan Lacki ()
Date: February 20, 2018 05:41AM

Please be aware that the Subaru transaxle ring and pinion are lower with respect to the input shaft, as compared to a Corvair transaxle. So, if you want to mate a Subaru transaxle to a Corvair engine, this means either (1) your engine will need to sit higher in the engine bay, or (2) your axle shafts will need to run at severe angles vertically and your transaxle will be lower to the ground. (Maybe these pictures will help). winking smiley

P.S. Take a look under the hood of a Subaru, and you'll see that their boxer engines sit high up in the engine compartment, compared to a Corvair.



Edited 1 time(s). Last edit at 02/20/2018 05:46AM by Allan Lacki.

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Re: NEWS FLASH: Subaru transaxle
Posted by: MattNall ()
Date: February 20, 2018 08:05AM

Good point! But the VW folks are running them without problems





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Edited 1 time(s). Last edit at 02/20/2018 09:56AM by MattNall.

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Re: NEWS FLASH: Subaru transaxle
Posted by: cfmann ()
Date: February 20, 2018 09:52AM

what are the gearing specs on a subie 5 speed compared to corvairs 4?

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Re: NEWS FLASH: Subaru transaxle
Posted by: BobV66Vair ()
Date: February 20, 2018 10:02AM

Seems interesting for sure. A viable 5-speed option is always a good thing to know. Running land speed will certainly put a stress on it. Street use will likely be fine I think. especially if using the reverse rotation R&P. It looks like, from the drawings, that the Subaru diff output sits LOWER than the Corvair. That would mean the whole unit sits at the same level to the engine but the diff outputs will be lower. That seems fine for any stock Corvair, which sits kind of high anyway. The drive shafts will have less of an angle, which is fine as long as there is some positive angle on the u-joints. Otherwise they bind or vibrate. Some measurements should clear that up before it is installed.

Bob Vinnacombe
Sandy, Oregon
1965 Corsa 140 stock
1966 Monza Soon to be race car
1968 Monza Parts for now

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Re: NEWS FLASH: Subaru transaxle
Posted by: Seth Emerson ()
Date: February 20, 2018 10:33AM

If somebody finds a company to mate the Corvair to the Subaru transaxle, please post it here. Kennedy Engineered Products wanted no part of it, at least 2 years ago when I inquired. Consider a Factory Five 818 with a mid-engined Corvair.

Seth Emerson

Check my new Performance Corvair Web site [www.perfvair.com]

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Re: NEWS FLASH: Subaru transaxle
Posted by: MattNall ()
Date: February 20, 2018 10:59AM

Seth... turns out we have it!!

Subie transaxle to VW engine adapter plate [ posted above ] to a Corvair engine to VW transaxle adapter [ been around for decades!

Think about it!!





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Re: NEWS FLASH: Subaru transaxle
Posted by: playerpage ()
Date: February 20, 2018 01:03PM

So, maybe I read this wrong but I'm a little lost . . .

Is all this in order to run a mid-engine setup, or are we talking about a solution to keep a stock Corvair engine and Powerglide functioning?

Eric C. Player
Porterville, CA
- National Member, CORSA
- Member: Central Coast CORSA & South Coast CORSA
Former Member: Vintage CORSA Orange County. Member, ISA (Int. Screenwriter's Assn.), SAG Eligible, and Producer's Guild Aspirant


* Then: 1966 Corsa 180 Turbo, Red/1965 Monza 110 Purple/
1967 Monza 140 Red/1966 500 110 Black/1965 Monza 110 Yellow
* Now: 1966 Corsa 180 Turbo Project. Blue, Blue/Beige interior.



"Chevrolet's Corvair was a maverick machine, a rear-engined renegade born out of spite and genius." -- Sports Car Graphic, August 1969

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Re: NEWS FLASH: Subaru transaxle
Posted by: MattNall ()
Date: February 20, 2018 01:39PM

This has to do with just replacing our 3 and 4 speed manuals with a 5 speed manual that does not require reverse rotating our engines, and leaves our cars otherwise stock.





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Re: NEWS FLASH: Subaru transaxle
Posted by: gnvair ()
Date: February 20, 2018 06:11PM

MattNall Wrote:
-------------------------------------------------------
> Good point! But the VW folks are running them
> without problems

air cooled VW engine height is dictated by the location of the transaxle and bell housing as they do not have rear engine mounts. Corvair engine height/location is dictated by the rear mount.
And I might point out that you still need an adapter plate.
The old Corvair engine to VW trans replaced the Corvair bell housing with the adapter plate. If you are thinking you could use that AND the Subaru to VW engine adapter plate you would need a longer input shaft.

Lee J

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