[Fot] LUK clutches

[Bill Babcock]

Ditto, though I use Quartermaster clutches. Other than a difference in  
initial expense I can't see a reason to use stock junk--at least not  
for racing. I'd probably use stock stuff in a street car because it's  
probably easier on the transmission, and the passengers.  The  
quartermasters are not cheap, though the bottom of the line V-Drive  
unit isn't all that bad and is just a strong as the fancy one I run,  
but pulling your engine one extra time would seem to justify the  
expense. I probably spent more money trying to get stock clutches to  
work than I have since I switched.  I did manage to screw up my  
Quartermaster, but that was a stupid error on my part, and it still  
worked for 12 more race weekends before failing.

On Aug 27, 2008, at 9:05 AM, Don Marshall wrote:

> My experience with the Tilton has been the same as Johns, no  
> problems.  It came with the car and is probably the original setup  
> from when Jack Wheeler had it.  Don
>
> -----Original Message-----
> From: fot-bounces at autox.team.net [mailto:fot-bounces at autox.team.net]  
> On Behalf Of John Reed
> Sent: Wednesday, August 27, 2008 11:46 AM
> To: Joe N197TR4; henry at henryfrye.com; lfritz82 at hotmail.com; fot at autox.team.net
> Subject: Re: [Fot] LUK clutches
>
> I’ve been using a Tilton setup for over 20 years with no problems.  
> It is a dual disk that came as a package set with the flywheel. The  
> pressure plates and flywheel have little #1s stamped on them for  
> proper assembly. Very nice, probably the nicest thing on my car. I  
> replace the disks every 5 or 6 years if they need it or not. Even  
> when I switched to a 240z trans. all I had to do was change to 9  
> spline disks.
>
>
> On 8/27/08 9:12 AM, "N197TR4 at cs.com" <N197TR4 at cs.com> wrote:
> FoT,
>
> No surprise, but in the past few years the low volume stuff has been  
> farmed out to low cost suppliers.  Including LuK.  My clutch friends  
> say that this business has changed consderable. You wont know what  
> you are getting, regardless of the label.
>
> One of the businesses I got involved with John Deere was  
> remanufactured clutch components. It doesnt make me an expert on the  
> design of clutches, but it gave me some good insight in the business  
> side.
>
> Rebuilding a good old unit is preferable and the materials are  
> frequently superior. Same goes for discs.  I just provided one for a  
> TR3 and ot had apparently superior friction materials and all of the  
> springs replaced.
>
> But now there may be a forthcoming shortage of these materials. .....
>
> Henry,  If you still have that core, I'll see what I can do. It may  
> end up being better than new and far less expensive. Nothing will  
> happen until this winter, but I am sure that is OK with you.
>
> Joe A
>
>
>
> There have been at least 3 LuK clutch pressure plate failures in  
> racers
> that I can document this year. All were about 5 years of racing use.
> Look at the 3 metal straps that hold the part that engages the  
> friction
> disk to the outer shell. Mine broke at the rivet and would not
> disengage. Leo's developed a nasty vibration. Tony's started slipping.
>
> Also George's Borg and Beck failed, throwing a little chunk that could
> not escape the bellhousing until it made a hole big enough to escape.
> Scratch that gearbox case...
>
> There have been way too many gearbox pulls in the paddock this season
> because of clutches... Also having a new clutch kit ready to go in the
> race spares is a very good idea.
>
>
>
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> Regards,
> John Reed
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Bill Babcock
Babcock & Jenkins
Billb at bnj.com
503.936.7660
www.bnj.com

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