[Fot] Quaife for Spitfire/GT6

[Bud R]

Thanks Henry for doing due diligence.

I think I'll stick to a 4:11 open diff that I'm having a shop go thru.
Bud

Sent from my Commodore 64 

> On Jun 17, 2015, at 6:19 AM, Yellow04 <yellow04 at tr4racer.com> wrote:
> 
> About 5 minutes of sleuthing about the Internet shows the domain names tractionconcepts.com and phantomgrip.com are registered to the same address in Florida. It appears John Brown, the owner, shut down phantomgrip.com and is now trying to sell the same units under a different name. 
> 
> Gee, I wonder why...
> 
>> -----Original Message-----
>> From: Fot [mailto:fot-bounces at autox.team.net] On Behalf Of Brian
>> Sent: Wednesday, June 17, 2015 5:42 AM
>> To: Bud Rolofson; Jason Sukey
>> Cc: FOT list
>> Subject: Re: [Fot] Quaife for Spitfire/GT6
>> 
>> 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
>> ________________________________
>> 
>> From: Bud Rolofson <mailto:levilevi at comcast.net>
>> Sent: ‎6/‎17/‎2015 12:22 AM
>> To: Jason Sukey <mailto:jsukey at gmail.com>
>> Cc: FOT list <mailto: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:
>> 
>>