Special Spring for Watts Clutch?

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CudaMan
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Special Spring for Watts Clutch?

Post by CudaMan » Mon Aug 12, 2019 10:20 am

Hello, I have a set of Watts clutch disks, but I understand that the Watts clutch uses a special, stiffer than stock spring.

Does anyone know the specs of that special spring? X pounds at an installed height of Y inches? or Z% stiffer than the stock Ford spring?

Thanks :)
Mark Strange
Hillsboro, MO
1924 Cut-off Touring (now a pickup)
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Mark Gregush
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Re: Special Spring for Watts Clutch?

Post by Mark Gregush » Mon Aug 12, 2019 10:35 am

I am pretty sure it is 110-115 at 2 inches. I did a little searching and all I could find was it had a higher rate then normal. I think normal rate for Ford is about 90 at 2 inches. The stack height of the disks will be the same as stock, 1-1/8" with large Ford disk on top and bottom.
I know the voices aren't real but damn they have some good ideas! :shock:

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R.V.Anderson
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Re: Special Spring for Watts Clutch?

Post by R.V.Anderson » Mon Aug 12, 2019 10:38 am

Mark is correct. Chaffin's makes the heavier spring.
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Les Schubert
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Re: Special Spring for Watts Clutch?

Post by Les Schubert » Mon Aug 12, 2019 11:00 am

Can you still buy the Watts clutch? I had one in a speedster years ago and really really liked it. I figure it helped “preserve “ the rear axle gears!
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CudaMan
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Re: Special Spring for Watts Clutch?

Post by CudaMan » Mon Aug 12, 2019 11:38 am

I think R.V. Anderson is tooling up to produce them again. The one I have is an original set I bought on Ebay years ago. I see there is another original set of clutch disks on Ebay right now.

I think I'll order the stiffer spring from Chaffin's today so that I have it ready if/when I install my Watts clutch disks. :)
Mark Strange
Hillsboro, MO
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hah
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Re: Special Spring for Watts Clutch?

Post by hah » Mon Aug 12, 2019 2:25 pm

Is this stiffer spring only limited to watts clutch?
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Chaffins
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Re: Special Spring for Watts Clutch?

Post by Chaffins » Mon Aug 12, 2019 3:37 pm

Our new Clutch Spring has a force of 110-115 lbs at 2 inches. It can be used with any Ford clutch set up. Glen
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R.V.Anderson
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Re: Special Spring for Watts Clutch?

Post by R.V.Anderson » Mon Aug 12, 2019 6:03 pm

Mark S: I am currently making the Watts style clutch.

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