Subaru transmission installation, Now it's a reality!!! Options

[MecGen]

Hey

For the speedo/VSS, its not that hard but a lot of research and testing, like you don't need more.
(IMG:http://www.914world.com/bbs2/html/emoticons/headbang.gif)
For the 901 a VSS would have to be fitted, for OBD2 cars the VSS has become an input that the ECM uses for some realy important fine tuning. The VSS (from wherever you get it) would have to be the same type and signal strength, 1-5 volt square waveform ? You can program (reverse) the ECM to any tire size or gear ratio, but can't change the type of input.

I have flashed many American cars/trucks, but never on a Suby. Lots of people do tho...I would lean to a Porsche/Suby hybrid sensor.

+Karma
Later

(IMG:http://www.914world.com/bbs2/html/emoticons/beer.gif)

[Porcharu]

QUOTE (biggy72 @ Jan 27 2006, 11:01 PM)

Just my opinion but wouldn't welding cause the flange to warp some if good penetration is achieved (needed for this type of part)? I'm the drive train team leader on a formula sae team and we just trashed a set of bearings because on the outboard side of the axle we had a flange adapter that went to the spindle that was welded together. The weld was very even and looked ok, but once taken off and put on a lathe they're far enough off to cause quite a few problems. Since machining a whole flange is out of the question we're going to cut the splined part out, weld a new flange on that is oversized, and then make it true and round on the lathe before drilling out the wholes. Haven't done it yet, but I'm going to start on it tomorrow. I think it will work, but I just thought I should throw in my 2 cents. Derek Vetter WSU Formula SAE http://www.mme.wsu.edu/~sae/

Maching after welding was always planned, I would expect some warping no matter how stout the flange was. I am more concerned with dealing with that hard as tool steel Suby CV. I can cut the sucker off with a cutoff wheel but I don't know how the thing will machine after that. Guess I will be the first to know. I might have to look into getting it EDM'ed.

[jimkelly]

I wonder if the removeable output stub can be used in newer tranny (edit added the word tranny) one piece axles/cvs as steve has?

I so - in order to keep things as standard as possible should we not be bus axles/cvs with a custom flange on the wheel side and a custom sub splined roll pinned flange on the tranny side.

The bus axles being shorter should give more spce for custom flanges - not to mention they are substantilly stronger and would be new - versus using used 914 axles/cvs?

Also looking into the engine bay of my 1993 subaru impreza - it looks like the axles are not prependicular to the tranny by a substantial amount.

Anyone want a pic??

Jim

[d914]

uuhhh!! Yes!

[biggy72]

if you're going to edm it I'd just get the custom axles because you're looking at quite a bit of money and alot of work to do all of that. I would guess after it's said and done you're looking at more money than the axles, (if they're only 350) and it's alot more work.

[jimkelly]

pic of my axle/cv from my 1993 subaru impreza. Not sure if you can see it but I can tell you it is far from perpendicular. Jim

[d914]

small car has Hall effect sensor that fits on cv..... see below

This hall effect speed sensor fits on the transmission and a cv joint. It has 5 pulses per axle revolution which closely approximates the Subaru pulses per mile. Fits Syncro, 2wd manual and automatic
SSK3

$49.95
Qty

[Porcharu]

I hit a few minor snags during the first engine fitting. The release arm hits the trunk floor and the AWD extension hits the muffler heat shield. The heat shield can be trimmed to fit or hopefully the FWD casting can be used instead as it is much smaller, I'm looking into ths right now. The release arm issue could be solved with a small amount of cutting and a little sheetmetal box welded in to cover the hole. I am looking at hydaulic release bearings as a solution.

[jimkelly]

I'll be hanging on every word. Would be a shame if the awd tranny could not be easily used. Looking forward to the next episode : )

[Porcharu]

QUOTE (jimkelly @ Feb 5 2006, 12:25 PM)

I'll be hanging on every word.  Would be a shame if the awd tranny could not be easily used.  Looking forward to the next episode : )

It will work, just needs a little help. Here are the pics I forgot to add in my last post. First one is the AWD housing almost hitting the muffler shield - the trans is about an inch too low in this picture.

[Porcharu]

And one of the release are hitting the trunk floor. I'm going to go out and remove the arm right now.

Does anyone have a suggestion on a decent easy to use "paint" program to draw simple shapes and text onto a jpeg. The only thing I have is a cludge of MS word and Photoshop elements.

[Porcharu]

Here is some more with the release are removed and the AWD extension removed.

Almost empty housing.

[Porcharu]

Top view of the whole thing.

[Porcharu]

Un-needed AWD housings.

[Porcharu]

"Stuff" sticking out of the trans. The splines get tied together with a coupler to make the AWD into FWD. The top splines are the pinion shaft the lower are the output of the transmission.

[Porcharu]

In the car. Fits MUCH better now. I hope the FWD housing fits. Otherwise I will cut (IMG:http://www.914world.com/bbs2/html/emoticons/sawzall-smiley.gif) and weld (IMG:http://www.914world.com/bbs2/html/emoticons/welder.gif) the AWD housing.

[Porcharu]

Clearance between the top of the bellhousing to the floor. Might be room for a cable release arm.

[Porcharu]

Last one for now. Side view that shows the trans tucked up nice and close to the floor.
My wife and I have been invited to a superbowl party so I have to go (IMG:http://www.914world.com/bbs2/html/emoticons/owned.gif) and waste time (I hate watching sports) and drink beer. (IMG:http://www.914world.com/bbs2/html/emoticons/beer3.gif)

[jimkelly]

That is some nice progress. Good job on the bracketing to hold the engine and tranny firmly and level on the jack - I hate seeing so many jack engines that are barely hanging on and can so easily be dropped and broken. Jim

[Porcharu]

QUOTE (jimkelly @ Feb 5 2006, 03:30 PM)

That is some nice progress.  Good job on the bracketing to hold the engine and tranny firmly and level on the jack - I hate seeing so many jack engines that are barely hanging on and can so easily be dropped and broken.  Jim

Thanks, I figured that I should spend a little time making the engine/trans easy and safe to install and remove because I am fairly sure I will be doing at least 20 times. That's the first time I've used unistrut the way it's supposed to be used. Worked out well for a temporary deal. I hope to have rev 1 of the engine subframe done by the end of the week.