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Shop Cost of Installing LSD

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Old 01-26-2009, 11:15 PM
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Tommy928
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Default Shop Cost of Installing LSD

Bought an LSD last month during the 928 Intl sale. Finally decided to call for a quote to install it in my 87' automatic. They quoted me $1400 including an alignment. Is this reasonable?
Old 01-26-2009, 11:19 PM
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David L. Lutz
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Not reasonable at all. I think it best if you just sell me the LSD
Old 01-26-2009, 11:21 PM
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David L. Lutz
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Just kidding, I really don't know. But I am desperately searching for a LSD>
Old 01-26-2009, 11:29 PM
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Tommy928
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Very funny )

I will let you know if I decide not to install the LSD.
Old 01-26-2009, 11:42 PM
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Tom. M
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Doesn't Carl sell the LSD's for around $325 (old style) edit..oops...looks like it's $600....and his metal spacers too make them fit the S4's ? I think it was like $200 for those?
Old 01-26-2009, 11:52 PM
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jcb928
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Sounds like you called Autowerks NW.
Old 01-27-2009, 12:03 AM
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No, I called LBR in Belleuve. They do excellent work and usually very reasonable prices but this seems high(?).
Old 01-27-2009, 01:57 AM
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SharkSkin
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If they are doing it by the book, remember they have to pull the transmission out. IIRC that involves dropping the crossmember, alignment, all that fun stuff. 12 hours' work and a couple hundred in incidentals(fluid, filter, etc) may not be that far off.

I believe that Carl's kit allows you to retrofit the transaxle to LSD in-situ, saving you all that trouble and skipping many of the shimming steps that the shop may have quoted. He posted a thread on it here.

Might want to give Carl a bell and talk to the shop -- $227 plush shipping might save you several hundred in the end.
Old 01-27-2009, 01:58 AM
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GregBBRD
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We do this all the time.

You can actually remove the old differential, without removing the transmission. The old differential can be measured and compared to the new differential, before the ring gear is bolted on. Not all shops will have the ability to measure these two differentials. Almost need a shop that also has a machine shop, with measuring tools. You can generally change shims, from side to side, as needed. Sometimes you need different shims, if there isn't the correct ones needed to swap around. Takes about 6 hours.

Make sure to have the used limited slip rebuild/gone through. Those single discs wear out pretty easy...especially if someone ever used a gear oil without a limited ship additive. Sometimes the inner pressure rings get destoyed, too.
Old 01-27-2009, 04:29 AM
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Bill Ball
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Originally Posted by GregBBRD
We do this all the time.

You can actually remove the old differential, without removing the transmission.
That's good news. The gas tank appears to be too close in my 89.
Old 01-27-2009, 10:34 AM
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There must be a good trick...Tried it with Adam's car and it got wedged inbetween the tank and diff pretty good. Ended up dropping the tranny to get it out...

Originally Posted by GregBBRD
We do this all the time.

You can actually remove the old differential, without removing the transmission. The old differential can be measured and compared to the new differential, before the ring gear is bolted on. Not all shops will have the ability to measure these two differentials. Almost need a shop that also has a machine shop, with measuring tools. You can generally change shims, from side to side, as needed. Sometimes you need different shims, if there isn't the correct ones needed to swap around. Takes about 6 hours.

Make sure to have the used limited slip rebuild/gone through. Those single discs wear out pretty easy...especially if someone ever used a gear oil without a limited ship additive. Sometimes the inner pressure rings get destoyed, too.
Old 01-27-2009, 01:35 PM
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PorKen
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I don't see how you could do it in-situ with an automatic which sits farther back in the body than the manual.
Old 01-27-2009, 02:13 PM
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Probably so..Adams is an AT...
Old 01-27-2009, 02:51 PM
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Bill Ball
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Originally Posted by Tom. M
Probably so..Adams is an AT...
OK, there's the catch. I was pretty sure it wouldn't squeeze by the tank in my 879 AT. Maybe dropping the tank would be an easier route.
Old 01-27-2009, 02:59 PM
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RyanPerrella
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Originally Posted by Bill Ball
OK, there's the catch. I was pretty sure it wouldn't squeeze by the tank in my 879 AT. Maybe dropping the tank would be an easier route.
last i checked but the tank sits towards the side of the differential. I agree that the auto comes back farther and i remember many times with the 5 speed that there is allot more space.

I think something could be in the way for sure, but i just am not sure its the tank, i think its the metal from the body and the battery tray.

I COULD BE WRONG, i am not looking up the *** end of the S4 though.


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