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Old 05-13-2003, 06:21   #1 (permalink)
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XF LSD for EF?

Hi everyone

I have the chance to buy a LSD disc to disc from a mate for $180. Would it be possible to take the centre out, take it to a place, maybe get it rebuilt, then get them to put it into my EF, preferably with my 3.23 gears as well?

If not, what is a good price for a LSD conversion fitted? I've been quoted around 700 for new LSD, my gears, oil, gasket & fitting. Is this good.

Thanks
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Old 05-13-2003, 14:01   #2 (permalink)
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Two things to check. If the LSD diff is 2.77 ratio, it is no good, as the hemisphere has a different offset. If the hemisphere is 25 spline 2 pin(very likely) it is no good, as your axles will be 28 spline.
As $700 is less than retail on a new LSD, it's either a great price or not a new one.
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Old 05-14-2003, 03:04   #3 (permalink)
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Quote:
Originally posted by WBT56
Two things to check. If the LSD diff is 2.77 ratio, it is no good, as the hemisphere has a different offset. If the hemisphere is 25 spline 2 pin(very likely) it is no good, as your axles will be 28 spline.
As $700 is less than retail on a new LSD, it's either a great price or not a new one.
So will any 28 spline LSD do? There's XD-XF LSDs going for ~$150 in the papers sometimes. Didn't they make 28 spline 9inchers?

I think for $700, what it'd be is a new LSD carrier bolted onto ur ring gear. I got that done for $750. BTR carrier retails for ~$550 from memory...

Btw, my LSD which I got last year is starting to act up, I don't reckon she'll see the end of this year. They got clutches in them, which do wear out so I'd look into getting a spool if u could live with it. I've been told that a spool centre is only $130 and they never wear out.
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Old 05-14-2003, 03:19   #4 (permalink)
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Quote:
Originally posted by Cancerman
So will any 28 spline LSD do? There's XD-XF LSDs going for ~$150 in the papers sometimes. Didn't they make 28 spline 9inchers?


So long as they are 28spline/4pin/ratio 2.92 or higher, yes. You may have to drill out the bolt holes. Std 9" was 28spline, yes.

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I think for $700, what it'd be is a new LSD carrier bolted onto ur ring gear. I got that done for $750. BTR carrier retails for ~$550 from memory...
Again, was this a 28 spline/4pin? Cheapest retail I have seen on these is $770, bare /complete.

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Btw, my LSD which I got last year is starting to act up, I don't reckon she'll see the end of this year. They got clutches in them, which do wear out so I'd look into getting a spool if u could live with it. I've been told that a spool centre is only $130 and they never wear out.
They do not have clutches, they have friction cones. In normal driving/drags (no burnouts) you should get years of service, if they are built right.
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Old 05-14-2003, 04:34   #5 (permalink)
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I didn't think they make 2.77 LSD's for XF sedans.

Yes, the $700 was a genuine Ford 28 spline, 4 pinion LSD Centre, bolted to my crown wheel, inc. fitting.

Is there any way I can check that it's a 28 spline, without actually counting the splines, which would probably mean I have to take the axle out.

OK final question; Are these centres rebuildable, with heavier duty clutches & stuff?
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95 EF Fairmont 5.0 - Heritage Green - 4 Speed auto with AU S5 - 3.23LSD - 17x8" LWT Wheels - King Superlows - 76mm Cobra MAF - 65mm throttle - BPT Underdrive Pulley Kit - 3" Mandrel-bent Lukey exhaust - Tinted Windows - MP3 CD player - White faced dials.

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Old 05-14-2003, 14:29   #6 (permalink)
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Quote:
Originally posted by Aaron_M
I didn't think they make 2.77 LSD's for XF sedans.

Probably the most common ratio for autos. I have only ever seen one XF LSD that wasn't 2.77.

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s there any way I can check that it's a 28 spline, without actually counting the splines, which would probably mean I have to take the axle out.
A "high performance" tag, but anyone can bolt a tag on. I'd pull an axle.

Quote:
OK final question; Are these centres rebuildable, with heavier duty clutches & stuff?
They DO NOT have clutches. They are rebuildable, and should give good service life afterwoods, if done correctly.
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