[Fot] clutch disc blow-up picture

Fri Dec 22 19:29:42 MST 2017

Bob, we have discs made for us. Spline size is not an issue. We can broach what size is needed such as 1" x 10 spline for GT6. That's why our disc is far superior to a relined disc. Thanks, Ted

Sent from my Verizon Wireless 4G LTE Droid
On Dec 22, 2017 2:49 PM, Bob Totten via Fot <fot at autox.team.net> wrote:
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> Curious, 
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> What clutch disc(s) are the Spit racers using when using the GT6 box in their car?  And where do you get them ? 
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> Bob T 
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> -----Original Message----- 
> From: Brad Eells via Fot <fot at autox.team.net> 
> To: Rich Hahn <putinbaytr3 at yahoo.com> 
> Cc: fot <fot at autox.team.net> 
> Sent: Fri, Dec 22, 2017 2:44 am 
> Subject: Re: [Fot] clutch disc blow-up picture 
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> Interesting...the Spitfire I have acquired was running the stock clutches available in the 1970's, ran hard (above 8000 rpm with a 1300), won lots of races but did not report any clutch failures in the copious notes I have. 
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> Of course, I don't know how often the clutch disc was being replaced. He had three gearboxes, all with different ratio or overdrive set ups and had them in and out depending on the track he was racing. 
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> Wonder if the disc manufacturing is not of the same quality it was 40 years ago?? 
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> Brad Eells 
> Chino CA 
> #35 DP 1962 Triumph TR4 
> #76 FP 1969 Triumph Spitfire Mk3 
> 1965 Triumph TR4A IRS...for the road! 
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> On Thu, Dec 21, 2017 at 6:27 PM, Rich Hahn <putinbaytr3 at yahoo.com> wrote: 
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> Stock Spit clutches even current heavy duty ones won't stand up to 7000 RPM.  I don't know if its the state of materials used today due to EPA regs but I ripped to pressure plate side friction material off a brand new one in less than 20 laps.  Finally went to a custom Quarter Master racing clutch and hydraulic release bearing which removed the release bearing and operating lever from the system.  Took some fabrication and experimenting but solved the problem 
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>                         On ‎Thursday‎, ‎December‎ ‎21‎, ‎2017‎ ‎08‎:‎33‎:‎44‎ ‎PM‎ ‎EST, Brad Eells via Fot <fot at autox.team.net> wrote:                    
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> Ted, 
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> Is there a Spitfire version of this disc? 
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> Thanks! 
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> Brad Eells 
> Sent from my iPhone 
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> On Dec 21, 2017, at 4:27 PM, Doug Mitchell via Fot <fot at autox.team.net> wrote: 
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> Torn the center out of more discs than I care to remember. Second (and last) time I ran race tires in an autocross I really destroyed it. This on a 'stock' street Spit. 
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> On Dec 21, 2017 7:09 PM, "fubog1 via Fot" <fot at autox.team.net> wrote: 
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> Y'all ain't blowed one up good unless there's shrapnel out of the bellhousing...! 
> Yes Merry Christmas! 
> Glen 
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> -----Original Message----- 
> From: Joe Boruch via Fot <fot at autox.team.net> 
> To: fot <fot at autox.team.net> 
> Sent: Thu, Dec 21, 2017 6:02 pm 
> Subject: Re: [Fot] clutch disc blow-up picture 
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> A stock clutch came apart for me at an autocross about 25 years ago and looked about the same as the one that Ted sent.  I don't recall if it was a DNF.  It was a street car that I drove to the autoX.  Had to get a friend with a trailer to give me a tow home.  Merry Christmas!  Joe(B) 
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> From: Bill Tobin via Fot <fot at autox.team.net> 
> To: "Ted Schumacher" <tedtsimx at bright.net>, "FOT" <FOT at autox.team.net> 
> Subject: Re: [Fot] clutch disc blow-up picture 
> Date: Tue, 19 Dec 2017 20:28:09 -0500 
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> I have one quite like that. Gave out after turn 11(last turn) on the last lap at the Glen a while ago. 
> Coasted across the finish line, got the checker, and parked just before turn 1. 
> Wasn't a DNF! Did get towed in though. 
> Dick Stockton helped push the car into my trailer. When it was in an I was looking for a block, Dick yelled "Put it in gear!" Smart a$$ 
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> Merry Christman and Happy New Year to all. 
> Cheers, Bill 
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