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Old 08-31-2003, 10:58 PM   #1
Cao Cao
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Default Outback H6-3.0 Manual Transmission Kit

Hey guys does anyone know if there is a manual transmission kit for or if you can swap a manual transmission into the Outback H6-3.0?

There are many kits or mods to get a manual transmission into an SVX for example, which comes with the H6-3.3 and ALL SVX models came with automatics.

That being said I'm sure you could jimmy-rig a 5-speed WRX or 6-speed STi tranny onto an Outback H6. Any thoughts or even experiences from anyone are more than welcome
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Old 09-01-2003, 07:30 PM   #2
Paisan
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Well it shouldn't be that hard to do. You could probably use the SVX kit with some minor modifications.

Don't forget the EZ30 block is very very similar to the EJ25 motor, so you'd probably need the EJ25 X-member, flywheel, starter plus the parts from the kit for the SVX.

-mike
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Old 09-01-2003, 10:51 PM   #3
Ben Davis
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I'll make you a deal - we can try to put your H6 in my 2000 Outback 2.5 5-speed and see if we can't get it to work
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Old 09-11-2003, 10:54 AM   #4
maharashii
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Check the conversions forum. There is an H6 swap thread in there right now. Not sure what tranny they're using though.
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Old 09-24-2003, 05:44 PM   #5
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I have a H6 hooked up to a manual transmission in my 95 Impreza. The engine will bolt up to any of the older transmissions without problems. Everything else (fitting it, wiring, tunnel modification) I have no idea about.

Anders
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Old 09-24-2003, 05:46 PM   #6
Ben Davis
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By saying that it will bolt to any of the older transmissions, does that mean it won't bolt to "newer" ones such as the one in my 2000 Outback?
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Old 09-25-2003, 09:25 AM   #7
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Quote:
Originally posted by Ben Davis
By saying that it will bolt to any of the older transmissions, does that mean it won't bolt to "newer" ones such as the one in my 2000 Outback?
No, I'm saying that it will bolt to the older ones like the one in my 95 Impreza. Generally the same mating for 93-01 Imprezas. Since I haven't tried mating it to any newer trannies, I'm don't feel I should comment on what "might" work.

'Cause you know, there's a world of difference between what someone told you should just bolt up, and what actually fits together in the real world.

You could do some cross-referencing research and probably have a good guess at it.

Cheers,
Anders
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Old 09-25-2003, 09:34 AM   #8
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I guess if I can find out of the 2000 Legacy Outback 5 speed tranny is the same as these 93-01 Imprezas, then I'm good. If they bolt right up, I wonder why Subaru didn't offer this as a factory option? Are the 5-speeds too "weak" to reliably handle the torque that the H6 produces?
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Old 09-25-2003, 09:48 AM   #9
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Quote:
Originally posted by Ben Davis
If they bolt right up,
The engine and tranny bolt together. Many other things, like ac compressor, power steering, alternator pulley wheel, radiator, computer, are entirely different. I've spent quite a bit of time grinding the intake manifold to make things fit and welding up contraptions to mount other stuff. Then there's the entirely custom exhaust, because no one makes anything that will fit those exhaust ports. And then there isn't an intake (throttle plate to filter) that you can use either, so that's more custom fabbing. I would not go into this expecting a "bolt on" job.

Quote:
I wonder why Subaru didn't offer this as a factory option?
Nobody knows.

Quote:
Are the 5-speeds too "weak" to reliably handle the torque that the H6 produces?
I'm expecting to grenade my gearbox in less then a year and then drop three grand on importing gears from Austrailia.

Anders
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Old 12-11-2003, 02:30 AM   #10
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Old 12-11-2003, 08:30 AM   #11
Ben Davis
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Quote:
Originally posted by anders8
The engine and tranny bolt together. Many other things, like ac compressor, power steering, alternator pulley wheel, radiator, computer, are entirely different. I've spent quite a bit of time grinding the intake manifold to make things fit and welding up contraptions to mount other stuff. Then there's the entirely custom exhaust, because no one makes anything that will fit those exhaust ports. And then there isn't an intake (throttle plate to filter) that you can use either, so that's more custom fabbing. I would not go into this expecting a "bolt on" job.Anders
Well, you have an Impreza, which the H6 was not made to go in. I have already have a 2000 Outback, of which (at least in 2001, same body style though) this engine was designed to go in. I would expect to have to perform much less customization than you. And what do you mean "no one makes anything to fit those exhaust ports?" Will the Subaru stock headers not work?
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Old 12-11-2003, 09:54 AM   #12
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Quote:
Originally posted by Ben Davis And what do you mean "no one makes anything to fit those exhaust ports?"
Mostly what I'm trying to say there is that there are no companies (excluding Subaru) supplying any products that will bolt up to the exhaust ports.

Quote:
Will the Subaru stock headers not work?
They would not work for me for three reasons:
1) Clearance issues with the skid plate
2) Connection to the rest of the exhaust
3) Non-mandrel bends blah for performance.

I obviously haven't researched the options for your application. All I can tell you is that any exhaust for a 2.5 or 2.2 will not bolt up to the 3.0. The ports are shaped and sized differently and the studs are not the same either.

Quote:
I would expect to have to perform much less customization than you.
Here's hoping. Let us all know how it turns out.

Cheers,
Anders
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Old 12-11-2003, 10:13 AM   #13
Ben Davis
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How much should I expect to pay for an H6 motor? And where would you recommend on looking for one?

Thanks again
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Old 12-11-2003, 10:30 AM   #14
anders8
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Go to www.car-part.com put in "2002 subaru Legacy Engine" Today it looks like $1750 to $3675, depending on whether you want an engine that ran and how many of the accessories come with it.

Some days there are none available. Today is the most I've ever seen. Usually there are less than three engines there.
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Old 11-16-2007, 09:13 AM   #15
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So has anybody done a manual swap into to their BE/BH yet? I'm just wondering because I know that the BE/BH came in a EJ25 manual and that should make it fairly straight forward in the installation of the transmission but as far as master cylinder and all the other stuff, I don't know. I'm looking into swapping a 5 speed if I can find the money. My biggest concern is getting the wiring done right to hotwire the ignition lock and tricking the ECU to let the engine run freely. The other thing I just thought about is buying a rear diff to match the final drive in the transmission and front diff.

EDIT: Yeah I know this thread is old.
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Old 12-07-2007, 02:58 PM   #16
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yeah i've been researching this for a while and it looks like we have 4.11 final drive same as 99-01 2.5 RS 5MT, tranny will bolt right up. Perrin dropped 3.0 into the sti and just used entire sti drivetrain, basically any EJ series tranny will bolt up you just need matching rear differential. as for clutch and wiring i have no idea, if i did i'd already have a 5MT H6 by now.
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Old 12-22-2007, 06:46 PM   #17
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Old 12-31-2007, 08:13 AM   #18
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Quote:
Originally Posted by Dodik View Post
yeah i've been researching this for a while and it looks like we have 4.11 final drive same as 99-01 2.5 RS 5MT, tranny will bolt right up. Perrin dropped 3.0 into the sti and just used entire sti drivetrain, basically any EJ series tranny will bolt up you just need matching rear differential. as for clutch and wiring i have no idea, if i did i'd already have a 5MT H6 by now.
Wrong 3 guys. That's the EZ30D (R) or more comonly known as EZ30R or 3.0R. It was redesigned for 2005 with more popwer a lighter block and variable valve timing. If you go to Perrin's sight and look it up it was a lot of work. Especially since they put a gt35r turbo on it. Yes all the trannis from 92+ work with the engines. If you have an imobilizer system built into your car jut pick up a 5-speed tranni for your year and have a shop swap it. You could even go to a Subaru dealership to find out what parts you need to change. Not a whole lot really. Oh and I beleive the finally drive you guys have is the 4.44. A lot of the Outback had that. The 98-01 RS I beleive has the 4.44 also, with a 4.11 in the OBS's and a 4.10 in the SVX. Good luck and it should be less work than you think. Any transmission speciallist should be able to do it in a day or two but make an apointment and talk to they guys otherwise they will take longer to familurize them selves.
-Gaddis(Me i'm putting a 5eat in my OBS withe 3.0R)
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