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Limited slip differential and rear subframe


tsige1

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Assuming nothing is seized, this is a 2hour job, maximum.

'59 Morris Minor, '67 Triumph TR4A, '68 Silver Shadow, '72 2002tii, '73 Jaguar E-Type,

'73 2002tii w/Alpina mods , '74 2002turbo, '85 Alfa Spider, '03 Lotus Elise

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Though you should pay for an extra two hours to make sure they don’t cross-thread the brake fittings and they get the emergency brake properly on and adjusted.🤨  I have to think David’s estimate is by far a best-case scenario.

‘74 Fjord 2002tii (Zouave)

’80 Alpenweiss 528i (Evelyn)

’05 R53 Chili Red Mini S

‘56 Savage Model 99 in .250-3000

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No way any shop is going to bill two hours for that job.  I would guess a shop would bill about four hours with time varying based on shops expertise and having the proper tools and equipment to help make it go quickly.  This is if you're taking out one and replacing with a complete rear sub frame complete with the diff, axles and brakes already mounted.

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Mike Katsoris CCA#13294                                                

74 InkaGangster 4281862

2016 Porsche Boxster Spyder,    2004 BMW R1150RT,  
76 Estorilblau 2740318                      

 
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If you have space/time/tools, you could try it yourself?  I swapped my open diff for a LSD with 0 experience in diff swappering, took way longer than 2 hours ( I converted half shafts as well), but made me feel accomplished.  

 

If no space/time/tools...4 hours.

 

 

Engine bay OCD is a real problem

 

@02carbs 

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So what exactly is to do?
1 Rusted Stuck bolt 
1 torn off rusted brakeline  and it's no longer 2 Hours

Changing just the diff - 2 hours look good (+3 days for the guibo to arrive)

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If you factor in a helping of scope creep (soaking rusty hardware with penetrant), power washing grease and grime off, cleaning and painting components, ordering new mounting hardware, realizing you’ll need spacers and longer bolts for an e21 LSD, you could add significantly to the time it takes to do this.

 

And I forgot to mention you’ll forget to preorder the proper diff fluid and some gasket sealer for changing the diff cover (from e21 to 2002).

 

And you need to replace the rotten diff hanger bushings, trailing arm bushings, subframe mounts and (4) brake hoses.

 

You see where I’m going with this??  In the end, you can do this yourself and have fun doing it.

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Jim Gerock

 

Riviera 69 2002 built 5/30/69 "Oscar"

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image.thumb.jpeg.8306c44f5e950b8182fd488e3ab8a024.jpegFrom here two hours?  If you have a cheap cheesy Horrible Freight tranny jack on hand you just might get it in under the wire.  I’m with JGerock, you could have some good fun along the two-week way!  There’s nothing all that technical about the job.  And the feeling of satisfaction when you’re done?  Timeless!image.thumb.jpeg.fc3d513f5e76bdc6383dc908c535bcaf.jpeg

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‘74 Fjord 2002tii (Zouave)

’80 Alpenweiss 528i (Evelyn)

’05 R53 Chili Red Mini S

‘56 Savage Model 99 in .250-3000

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I usually budgeted 2 hours for the race car, 

but that was just changing the diff.

 

Eventually, I got it down to 'about an hour' but that 

involved some minor modifications to improve clearance, 

just the right length extensions, a ratchet wrench with a bit of extra bend,

and so on...

 

t

 

"I learn best through painful, expensive experience, so I feel like I've gotten my money's worth." MattL

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3 hours ago, TobyB said:

I usually budgeted 2 hours for the race car, 

but that was just changing the diff.

 

Eventually, I got it down to 'about an hour' but that 

involved some minor modifications to improve clearance, 

just the right length extensions, a ratchet wrench with a bit of extra bend,

and so on...

 

t

 

 

@TobyB - with a few mods (perhaps similar to yours), we’re at 30 minutes to swap a diff at the track. (worthy of note, no exhaust rear pipe to deal with).

 

That said, agree with above it’s more than 2 billable hours to swap them both. And as @uai noted, a stuck/stripped brake line / hose adds…. and if someone welded the exhaust sections together, I’ll smack them for you. -KB

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