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Join Date: Dec 2004
Location: Danville - CA
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Lead on a LSD Diff?

Does anyone know of a source that may have a guard 930 LSD in stock? I have been waiting on them to get their backordered housings in for 2+ months. I am about at the point where I need to reinstall the motor and trans with the stock open diff in order to get to the track early next month. Not looking forward to having to pull it back out again when the damn diff finally arrives.

Any leads would be greatly appreciated.

Thanks
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Rob Montgomery
'88 Blk/Blk 930 ('Lucy') - Not Stock & Not Running
Old 03-13-2008, 10:04 AM
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http://www.racecar.co.uk/gripper/

Another alternative.
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1981 UK 930. G50/01 shortened, 964 3.8RS Fibreglass Body Kit, 18" Alloys 8.5" F & 10" R, 225's F & 285's R, Special Colour Metallic Blue Paint, FIA Sparco Evo's, A/C and Air Pump removed, Electronic Boost Controller, GHL Headers, Tial46 WG.
Fitting - New service kit.
Needs Fitting - Innovate XD-16 Kit, Kokeln IC. Stephen's K27 HFS, EVO Intake Assy & his Modded USA Fuel Head.

1983 UK 911 3.2 Carrera Sport Coupe. Black, Black Leather with Red Piping, Black Alloy Gear Knob, K&N Air Filter Element, Turbo Tie rods.
Needs Fitting - K&N CO Sensor, Round A/F Dial Gauge, Factory Short Shift Kit.

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Old 03-15-2008, 07:58 AM
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I have a LSD and R&P that was removed from a 1985 930 with 20K miles. It was replaced with a quaife set up. Go figure as it was a street car. Whats one worth? Pm if you feel better that way.
Old 03-15-2008, 07:15 PM
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Did you try Carquip in CO ....www.carquip.com
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Old 03-15-2008, 10:29 PM
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So,,, which is better, Guard or Quaife?

Street?
Track?

Quick nutshell, please!
Old 03-16-2008, 12:08 AM
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Check out Guard's website. They have a interesting link to an article from Velocity magazine that goes into some pretty good detail on the different styles and applications.
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Rob Montgomery
'88 Blk/Blk 930 ('Lucy') - Not Stock & Not Running
Old 03-16-2008, 08:53 AM
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Hayabusa:
for the street it doesn't matter. For the track lsd, for autocrossing quaife.
Old 03-16-2008, 11:32 AM
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Quote:
Originally Posted by Hayabusa View Post
So,,, which is better, Guard or Quaife?

Street?
Track?

Quick nutshell, please!
Guard's differentials are far more refined than what Quaife is producing, but you will pay more for it. There's a lot of confusion out there because many people are under the impression that Quaife is the only one making a torque biasing differential. That's not the case as Guard manufactures both a traditional ZF style LSD with clutch plates and adjustable ramp angles for various locking percentages AND they also make a torque biasing differentail very similar to a Quaife, but as I indicate above, it's a superior quality product.

As for the original question of finding a Guard LSD right now, it's next to impossible. None of us who are Guard authorized dealers have gotten a shipment of 915/930 diffs in about 6 months. The few shops that still have them on their shelves have been standing on them with respect to price and asking top top dollar for them. I heard a rumour through the grapevine that one recently passed hands from Shop to shop for about $2800!!! Until Guard gets the components to finish assembling their latest order, private party sale in the used market is about the only source for one at a reasonable price.

930DLR,
If you are willing to consider something other than a Guard diff, drop me a line. I have inventory of both rebuilt factory ZF type LSD's as well as another brand of LSD's that have just very recently come to the market...
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Old 03-16-2008, 12:51 PM
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Thanks, Matt. What is holding up their production?
Old 03-16-2008, 01:28 PM
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Quote:
Originally Posted by gumba View Post
Hayabusa:
for the street it doesn't matter. For the track lsd, for autocrossing quaife.
Thanks, Bro!

What is the Guard's web page, Rob. Can't find the URL.
Old 03-16-2008, 01:33 PM
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As 930DLR indicated in the opening post, they are actually only missing one single part to be able to put them together. The problem is that their manufacturer in Australia hasn't delivered it yet. I have stopped pestering Mike@ Guard with questions of "when" because I know how tired he is of telling people that he has no updates on an expected arrival date. Mike's a guy with the patience of a saint, and even he's getting impatient at this point...
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Old 03-16-2008, 01:34 PM
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Thanks for your input! I do appreciate it.
Old 03-16-2008, 01:40 PM
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