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  #1  
Old 04-07-2017, 10:42 AM
SoCoNoHa's Avatar
SoCoNoHa SoCoNoHa is offline
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Location: Southern NH
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5mt crossmember schematic

I'm looking for a diagram or schematic or measurements or anything that would help me construct a crossmember for my 5mt swap. I've only got jack stands and my SVX is my daily babe, I'm afraid building the cross member as I go won't be an option.
I've read the hardest part of the swap is the pedals, but I've already installed a set from a 3rd gen legacy (2000-2004US) and almost no modification was required. All that's left is to modify the rear diff and fab up a crossmember.

If push comes to shove I'd be interested in purchasing a x-member if someone has one kicking around.

Update: My transmission has had the radish, so it looks like I'll be doing the swap sooner than expected. Once I get a crossmember mocked up I'll post pics and specs here, and will record in detail the process of converting the rear diff.
__________________
1992 SVX LS-L : King of the Stable
LGT 5MT, ABS Delete, Short Ram Intake, Custom Exhaust, Drilled/Slotted Rotors

1993 Legacy sedan : winter beater, supposedly.
1994 Legacy wagon : future drift car?
1995 Impreza coupe : EZ30++, daily racecar.
1997 Legacy GT : date night rocket?
2003 WRX : future winter beater

Last edited by SoCoNoHa; 04-08-2017 at 06:08 AM. Reason: Life vs. Plans... Life wins.
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  #2  
Old 04-15-2017, 09:05 AM
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SoCoNoHa SoCoNoHa is offline
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Location: Southern NH
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Progress

WOOOHOOO! Now THAT feels good.
Attached Images
File Type: jpg 20170415_110121.jpg (964.9 KB, 553 views)
__________________
1992 SVX LS-L : King of the Stable
LGT 5MT, ABS Delete, Short Ram Intake, Custom Exhaust, Drilled/Slotted Rotors

1993 Legacy sedan : winter beater, supposedly.
1994 Legacy wagon : future drift car?
1995 Impreza coupe : EZ30++, daily racecar.
1997 Legacy GT : date night rocket?
2003 WRX : future winter beater
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  #3  
Old 04-16-2017, 07:48 AM
Dr. Spaceman Dr. Spaceman is offline
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Join Date: Oct 2016
Location: Canada
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Re: 5mt crossmember schematic

Quote:
Originally Posted by SoCoNoHa View Post
Once I get a crossmember mocked up I'll post pics and specs here, and will record in detail the process of converting the rear diff.

Following with extreme interest.
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  #4  
Old 04-16-2017, 02:32 PM
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SoCoNoHa SoCoNoHa is offline
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Join Date: Nov 2016
Location: Southern NH
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Re: 5mt crossmember schematic

I got the rear diff sorted out. It would seem the easier way to go about this is to take the 'carrier' and 'side plates' from the SVX rear diff and transplant them into the case from the donor car, this way the pinion doesn't need to be touched. My first time rebuilding a diff, so I'm all about easy.

First pic: the reason I'm not a photographer. This is the 'ring' separated from the non-LSD 'carrier.' These are held together with eight[8] 14mm bolts. The LSD has VERY SLIGHTLY longer bolts than the non-LSD [second pic]

Third thru sixth: these illustrate the interior difference between the two cases. The open diff has nubs that indent where the side plate bolts enter the case, the svx one had no such nubs. They need to be ground down in order to slide the larger LSD carrier into the case.

Seventh pic: shows the ground away nubs

Eighth pic: side plates to be moved from svx diff to donor case. These have thin gasket-like shims to adjust lash, both of my diffs had 2 on each plate, so I just kept those the same. I didn't really notice a difference between the two sets, but I read they had to go so I swapped em.

So in summation, the back cover and side plates come off of both diffs. That will allow you to finagle the ring and carrier out. The ring from the donor diff goes into the carrier from the svx, USING THE LONGER BOLTS. Grind away the nubs on the left inside of donor case. Reinstall ring with LSD carrier and install side plates [with shims] from the svx diff. Reseal the back plate. Reinstall diff into vehicle, test forward and reverse gears with car raised in jack stands.

I haven't tested it yet, hopefully today I'll be able to find some time after work to get the crossmember done. Also I think my linkage needs to extend about 3.75 inches? It's from a 99 LGT.
Attached Images
File Type: jpg 20170416_130747.jpg (889.8 KB, 455 views)
File Type: jpg 20170416_125726.jpg (950.7 KB, 491 views)
File Type: jpg 20170416_130607.jpg (332.6 KB, 467 views)
File Type: jpg 20170416_130544.jpg (953.0 KB, 439 views)
__________________
1992 SVX LS-L : King of the Stable
LGT 5MT, ABS Delete, Short Ram Intake, Custom Exhaust, Drilled/Slotted Rotors

1993 Legacy sedan : winter beater, supposedly.
1994 Legacy wagon : future drift car?
1995 Impreza coupe : EZ30++, daily racecar.
1997 Legacy GT : date night rocket?
2003 WRX : future winter beater

Last edited by SoCoNoHa; 04-17-2017 at 02:56 AM.
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  #5  
Old 04-16-2017, 02:36 PM
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SoCoNoHa SoCoNoHa is offline
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Join Date: Nov 2016
Location: Southern NH
Posts: 99
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Re: 5mt crossmember schematic

Images continued
Attached Images
File Type: jpg 20170416_130658.jpg (316.5 KB, 412 views)
File Type: jpg 20170416_130709.jpg (263.8 KB, 415 views)
File Type: jpg 20170416_135321.jpg (357.8 KB, 416 views)
File Type: jpg 20170416_130927.jpg (1,012.0 KB, 413 views)
__________________
1992 SVX LS-L : King of the Stable
LGT 5MT, ABS Delete, Short Ram Intake, Custom Exhaust, Drilled/Slotted Rotors

1993 Legacy sedan : winter beater, supposedly.
1994 Legacy wagon : future drift car?
1995 Impreza coupe : EZ30++, daily racecar.
1997 Legacy GT : date night rocket?
2003 WRX : future winter beater
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  #6  
Old 04-16-2017, 02:43 PM
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SoCoNoHa SoCoNoHa is offline
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Join Date: Nov 2016
Location: Southern NH
Posts: 99
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Re: 5mt crossmember schematic

Also got my $80 'stage 2' clutch and pressure plate[lol] mounted, as well as the throw out bearing with some sweet STI pink grease. Oops, hopefully my pilot bearing isn't ruined....
Attached Images
File Type: jpg 20170415_175057.jpg (284.5 KB, 421 views)
File Type: jpg 20170416_164121.jpg (319.8 KB, 413 views)
File Type: jpg 20170415_171458.jpg (390.2 KB, 419 views)
__________________
1992 SVX LS-L : King of the Stable
LGT 5MT, ABS Delete, Short Ram Intake, Custom Exhaust, Drilled/Slotted Rotors

1993 Legacy sedan : winter beater, supposedly.
1994 Legacy wagon : future drift car?
1995 Impreza coupe : EZ30++, daily racecar.
1997 Legacy GT : date night rocket?
2003 WRX : future winter beater
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  #7  
Old 04-18-2017, 07:25 AM
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SoCoNoHa SoCoNoHa is offline
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Join Date: Nov 2016
Location: Southern NH
Posts: 99
Registered SVX
Headers / linkage

I'll hopefully be able to find time tonight to deal with my rusted headers; all four bolts connecting to the rest of the exhaust snapped off...
Also gonna get my linkage sorted after I lower the !EG33+5MT! back in. Maybe I'll finally get those crossmember measurements...
Attached Images
File Type: jpg 20170416_164935.jpg (283.3 KB, 444 views)
File Type: jpg 20170416_164957.jpg (290.5 KB, 409 views)
__________________
1992 SVX LS-L : King of the Stable
LGT 5MT, ABS Delete, Short Ram Intake, Custom Exhaust, Drilled/Slotted Rotors

1993 Legacy sedan : winter beater, supposedly.
1994 Legacy wagon : future drift car?
1995 Impreza coupe : EZ30++, daily racecar.
1997 Legacy GT : date night rocket?
2003 WRX : future winter beater
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