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> DIY Subaru AWD to 2WD conversion, Make your own Bremar-like kit.
FourBlades
post Jan 13 2011, 11:14 AM
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I don't know if pre-heating the pieces before MIG welding them would help in this
situation. When I have welded 1/4 plate or other thick steel, I pre-heated the area
with a MAPP torch or oxy and it makes your welds penetrate much better.

That might warp the part too much, I don't know.

John
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barada
post Jan 13 2011, 01:25 PM
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Interested in how you do the plate. I would entertain the money they want for the adaptor but 200 plus for the plate seems high.
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sawtooth
post Jan 13 2011, 01:38 PM
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QUOTE(barada @ Jan 13 2011, 12:25 PM) *

Interested in how you do the plate. I would entertain the money they want for the adaptor but 200 plus for the plate seems high.

The plate is pretty simple. I just used 1/4 aluminum I picked up at my local scrap yard. I used the differential housing that I removed from the tail of the trans as a template by setting it on the plate, tracing the outline and marking center of holes. You can eliminate the top right and bottom left alignment pins. I just cut my alignment pins off but kept the shape in the plate. The shift rod takes a little bit of time to get right, it is an oval because of the angle. I just used a die grinder to get the right shape. I polished the plate just because, not sure I'll keep it that way but I'm starting to like it. DBCooper's wrx thread has a very nice plate complete with a cnc logo.
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charliew
post Jan 14 2011, 05:48 AM
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A thought occured to me. I wonder if a 2wd suby mainshaft would work? It probably would be one piece since it doesn't have a center diferential. I know it's shorter. I don't have one to compare. I do know the 05 legacy uses different gear widths than the 02 wrx, I think 3rd uses different spacing than the 05 legacy 3rd. I have all this stuff but haven't torn into it yet and won't till I can devote the time to study up on what fits in the 02 wrx case. I've got a 05 legacy tranny but the case is broken and mainshaft is bent. I've got a new mainshaft, the bremar stuff and a obx lsd. I sorta want to build a girdle for the case. The weak points are said to be the shafts flexing and from the case spreading inbetween the shafts. Course thats on awd with about 32 inches of tire contact in a 3400 lb car pushing over 400 ft lbs of torque.
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nsyr
post Jan 14 2011, 10:57 AM
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Speaking from experience, the FWD transmissions do work. But i don't recommend them.

I am using an early 90's legacy fwd tranny with the wrx engine. it is appealing since they are so cheap. however the stock clutch will not hold the torque. i found this out the hard way.
I then got a stage 3 spec clutch ($450). which does hold the torque, but it has it's drawbacks like clutch chatter and harsh engagement.
not to mention it has worn pretty quickly too. it is about at the end of it's life after about 10k miles, and so is the tranny. i drained the fluid and opened the back end recently and it was filled with metallic sludge from wear.
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sawtooth
post Jan 14 2011, 11:10 AM
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QUOTE(nsyr @ Jan 14 2011, 09:57 AM) *

Speaking from experience, the FWD transmissions do work. But i don't recommend them.

I am using an early 90's legacy fwd tranny with the wrx engine. it is appealing since they are so cheap. however the stock clutch will not hold the torque. i found this out the hard way.
I then got a stage 3 spec clutch ($450). which does hold the torque, but it has it's drawbacks like clutch chatter and harsh engagement.
not to mention it has worn pretty quickly too. it is about at the end of it's life after about 10k miles, and so is the tranny. i drained the fluid and opened the back end recently and it was filled with metallic sludge from wear.

The Exedy stage 1 organic clutch is supposed to be great for holding power while being much more streetable than the puc disc clutches. Not sure if its available for the fwd trans but it should be. The suby guys on nasioc really like it.
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nsyr
post Jan 14 2011, 01:57 PM
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the problem with the fwd tranny for n/a cars is that it is push type pressure plate. where the turbo cars have pull type that provide a much greater clamping force.
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charliew
post Jan 16 2011, 11:06 PM
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The na using a weaker pressure plate never occured to me but that seems logical. I know I ordered a lightened flywheel and better clutch and pressure plate for the wrx motor and tranny and it was around 600.00. I didn't know about the push and pull till someone on here started talking about moving the pivot ball and I just thought it was a newer or older tranny till he said it was a 05 tranny.
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nsyr
post Jan 17 2011, 08:55 AM
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first pic is push type
second pic is pull type (more clamping force)
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jimkelly
post May 23 2016, 12:41 PM
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oops. can this be welded (AS IS, short length) and used with some washers?


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rightpedal
post May 23 2016, 01:38 PM
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Now your just making fun of me. (IMG:style_emoticons/default/biggrin.gif)
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jimkelly
post May 23 2016, 02:43 PM
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more pics of the 2 pieces I will have welded after we make a jig to keep them centered to each other and spaced correctly. in pic I have the inner section resting on a tall socket to keep it up high inside the larger outer piece, for the pic, and to should closer to what finished part would look like.

the factory machined end goes deeper in trans and the cut end goes towards the nut. so i am thinking some spacers on the tail end/nut end will suffice?


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jimkelly
post May 2 2017, 07:25 AM
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my coupler. hope it holds together. one weld at top.


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Curbandgutter
post May 7 2017, 12:04 AM
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QUOTE(Andyrew @ Mar 7 2010, 09:52 PM) *

QUOTE(kg6dxn @ Mar 7 2010, 08:21 PM) *

QUOTE(G Man @ Mar 7 2010, 08:10 PM) *

Very good info. As of now I don't have a 914 but am seriously considering making the plunge if I can make it work. By that I mean I need an auto trans car. I have nerve damage to my spine and can't use a clutch. Would this process work on an auto transmission?


This will not work for an automatic. But... You can buy a front wheel drive auto Subaru or Audi and use that transaxle.



Ya a full FWD audi automatic (w/ tiptronic and paddle shifters) engine and trani swap is something im going to be doing in the next year.


Andrew I have that tranny of my s4 it's a triptronic. I'll sell it to you.
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Andyrew
post May 7 2017, 08:10 AM
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Before I decided on what I decided on.
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pploco
post May 29 2019, 11:44 AM
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I know this is an old post, but does anyone know of any alternative options for the plate than the $200 Bremar? They don’t even throw in a little lube with that...
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mepstein
post May 29 2019, 11:48 AM
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QUOTE(pploco @ May 29 2019, 01:44 PM) *

I know this is an old post, but does anyone know of any alternative options for the plate than the $200 Bremar? They don’t even throw in a little lube with that...

Ross was selling some for about $70 or cut out your own.
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76-914
post May 29 2019, 11:49 AM
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QUOTE(pploco @ May 29 2019, 10:44 AM) *

I know this is an old post, but does anyone know of any alternative options for the plate than the $200 Bremar? They don’t even throw in a little lube with that...

Buy a scrape piece of 1/2" aluminum; cut, drill and polish if you desire. (IMG:style_emoticons/default/beerchug.gif)
EDIT: you'll have that rear section that is thrown away as your template and/or drill guide that makes this a snap.
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JRust
post May 29 2019, 12:22 PM
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QUOTE(mepstein @ May 29 2019, 10:48 AM) *

QUOTE(pploco @ May 29 2019, 01:44 PM) *

I know this is an old post, but does anyone know of any alternative options for the plate than the $200 Bremar? They don’t even throw in a little lube with that...

Ross was selling some for about $70 or cut out your own.

(IMG:style_emoticons/default/agree.gif) & again you can make one easy
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pploco
post May 29 2019, 01:10 PM
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I guess I'll give it a shot. For 200 bucks I could ruin a lot of 1/2 inch aluminum plate
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