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Old 05-08-2013, 02:58 PM   #1
russianyuri
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Question Clutch/Torsen/UDP etc. swap advice

I am about to start some major service on the RallyCross Focus and need to reach out to the community for some advice.

List of goodies:
Torsen diff
Silicone coolant hoses
Underdrive Pulley
Exedy clutch
Lighter Flywheel
All new motor mounts and polyurethane bushings

Since so much work needs to be done and the transmission case has to be split, I figured it is simpler to just pull the entire motor out and assemble everything without clearance issues.

Does anyone know of any special tools I would need (ie. fuel line dis-connectors or other nonsense) or have any advice for me before I begin blindly disassembling things?

I am also very disappointed with FSWerks for not sending me a clutch alignment kit along with my EXEDY "Clutch Kit" and lighter flywheel.
Does anyone have an alignment tool they can lend me for this job?

Centerforce Part # : 52008
Nose Diameter: 19/32 Inch
23 Spline By 1 Inch

I am also not familiar with FWD transmissions so the Torsen swap may get lengthy. The unit does not come with any bolts of bearings - can I re-use my ring-gear bolts or should I get new ones from Ford (along with the bearings)?

Any and all help is greatly appreciated, Thanks
-Yuri


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Old 07-08-2013, 11:56 AM   #2
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Two months and no help... I started the tear-down this weekend and will post pictures as I find time. Trans is out of the car and now looking for a trustworthy shop to swap the diff since I do not want to get into the mess of having to split the case on my own.
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Old 07-08-2013, 11:45 PM   #3
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I've done the UDP swap, but it will be pretty straight forward, especially with the motor out.
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Old 07-09-2013, 12:46 AM   #4
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Definitely make sure its a good shop who knows what they doing since I don't think any of us have dealt with putting in a torsen. Localmember Swiftsvt was having trans issues with his SVT and took the opportunity to do a torsen at the same time. Only problem is the mechanic(family friend) had never done one and had no real idea of what he was doing and may have messed up his trans. I know SVT uses the getrag which is apparently a very pita to deal with and almost no parts availability unlike the mtx75. His mechanic basically have up and told him to come get his car and pay for labor spent even the he messed hp the trans more. Swift ended having to buy another used trans which will hopefully work out for him. So definitely make sure the shop knows what they are doing and will stand behind their work and not jack you over.

Motor mounts as said are easy. Just about an hour or so to do them. Underdrivenpulley isnok to get a little more power to the ground but be careful cuz they are only aluminium and I've heard they wear pretty easily and some people have had to replace them after a year or so when doing a lot of racing cuz the debris gets kicked up and wears the pulley.
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Old 07-18-2013, 06:53 AM   #5
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If You Already Have The Trans Out, The Torsen Is A Piece Of Cake. 19 Torx Bolts. Use A Rubber Mallet To Separate The Halves.
You Reuse The Ring Gear.

I'll Try To Find The How To. It's Stickied In The Svt Forum. There Is Also YouTube Videos For It. It's Really Straight Forward.
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Old 07-18-2013, 06:56 AM   #6
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http://www.focusfanatics.com/forum/showthread.php?t=158224

And There Is An Excellent 3 Part Video On YouTube
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Old 07-19-2013, 09:46 AM   #7
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Thanks for the link. The trans has been out of the car for about a week; I just opened the case on Monday and took out the diff. I had to fabricate some aluminum extension arms to modify the 7-ton 3-jaw puller to be able to pull the ring-gear off the stock differential carrier.

Most videos/how-to instructions cover the SVT trans but not the MTX-75.
I had to order a speedo-gear from Ford since it sits by the bearing on the differential.

I should have some time this weekend to post pictures with progress updates.
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Old 07-19-2013, 10:18 AM   #8
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my bad.. thought you had a svt..
the steps are mostly the same...

good luck.
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Old 07-21-2013, 09:15 PM   #9
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Updates:

Trans is out of the car:


Silicone coolant hoses are in:


Fidanza Flywheel and new clutch are in:


Working on splitting the case to remove old diff:


Open Diff:


Compared to Torsen:


Slides right out:


Baking the ring-gear while Torsen is in the freezer:


Applying Loctite to ring-gear bolts before assembly:


Decided to swap out the stock control arms for CFM Tubular ones because the ball-joints were shot and I wanted to be able to adjust camber:
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Old 07-23-2013, 07:57 PM   #10
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sorry I got distracted
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