[Fot] Quaife for Spitfire/GT6

[Brian]

The Traction Concepts model looks like the old Phantom Grip, AKA: phantom slip as in it doesn't work very well. I had the Phantom Grip with the heavy duty springs. It worked for almost one hill climb event. I shipped the diff out to them for their"extreme" treatment. They re-machine the spring seats to accept bigger heavier springs. Again worked for about one hill climb event. I suspect with the dry installation of the friction blocks it took that long for the oil to work in between the blocks and spider gears. This was just my experience with that diff. Maybe with street tires in non-race conditions it may work better. My recommendation is to stay away from that one.
Brian 

-----Original Message-----
From: "Bud Rolofson" <levilevi at comcast.net>
Sent: ‎6/‎17/‎2015 12:22 AM
To: "Jason Sukey" <jsukey at gmail.com>
Cc: "FOT list" <fot at autox.team.net>
Subject: Re: [Fot] Quaife for Spitfire/GT6

Jason,


Take a look at these options. Marcel uses the Yukon I believe and the other lets you convert your diff to a LSD..
I have tried neither but they look like good options to the Quaife.


Bud




https://www.yukongear.com/Downloads/Manuals/Zip_Locker_Installation_Manual.pdf
http://www.importperformanceparts.net/imports/phantomgrip-triumph.html


Sent from my Commodore 64

On Jun 16, 2015, at 1:50 PM, Jason Sukey <jsukey at gmail.com> wrote:


This diff is going to be used for autox, vintage race, and street....I think the Quaife offers the best compromise for me- welded spiders would be a bit too much.


Jason


On Tue, Jun 16, 2015 at 12:59 PM, Greg And Alison Blake <ablake2 at austin.rr.com> wrote:

Not to spark a huge debate, but I simply weld the spider gears. It's a little cheaper. 
Of course the driving style is a little different. 

Greg

On Jun 16, 2015, at 11:02 AM, Brian Dennis <britracer89 at yahoo.com> wrote:


That looks much better. 
Thank you,
Brian
Foster, RI




From: Charly <charly at mitchelplumbing.com>
To: Jason Sukey <jsukey at gmail.com>; FOT list <fot at autox.team.net>; Brian Dennis <britracer89 at yahoo.com> 
Sent: Tuesday, June 16, 2015 11:27 AM
Subject: Re: Re: [Fot] Quaife for Spitfire/GT6


Try this

http://www.motorsport-tools.com/catalogsearch/result/?carfittment=95&q=quaife 


On Tue 16/06/15  6:52 AM , Brian Dennis britracer89 at yahoo.com sent:
> This is where I got mine a couple years ago. They had it in stock. Was
> also the best price for diff and shipping. They are in UK. Make sure
> they include a very detailed description for customs. UPS returned it
> to sender without checking with sender or receiver. Fed-ex called me.
> For customs they wanted to know exactly what it was RE: car part,rear
> differential, locates in rear suspension/drive-train of car, made of
> steel.  
> Quaife ATB Helical LSD Differential Caterham / Morris Marian / Triumph
> - Part Number: QDF8K - Sparktec Motorsports - ATB Helical LSD
> Differentials [1] 
> [2]
> Quaife ATB Helical LSD Differential Caterham / Morris Ma... 
> [3]Manufacturer: Quaife Part Number: QDF8K Product Description: A
> direct replacement for standard open differentials, the Quaife ATB
> Helical LSD differential trans...
> View on  www.sparktecmotorsp... [4]
> Preview by Yahoo
> BrianFoster, RI
> -------------------------
> FROM: Jason Sukey 
> TO: FOT list  
> SENT: Tuesday, June 16, 2015 9:27 AM
> SUBJECT: [Fot] Quaife for Spitfire/GT6
> I'm currently looking for a Quaife LSD unit for the Spitfire/GT6
> differential.  Any recommendations on a source for this- I'm OK with
> new or used. 
> Thanks!
> Jason Sukey
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