What Lining are these

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henryford2
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What Lining are these

Post by henryford2 » Thu Mar 10, 2022 2:50 pm

Like the title says, any guess as to what lining this might be? Never installed in the transmission. Appears to be two different materials bonded together? Thanks
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Moxie26
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Re: What Lining are these

Post by Moxie26 » Thu Mar 10, 2022 3:10 pm

Old Kevlar ????

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Rich Eagle
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Re: What Lining are these

Post by Rich Eagle » Thu Mar 10, 2022 3:10 pm

Didn't they do that with the first Kevlar bands?
When did I do that?

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Tim Rogers
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Re: What Lining are these

Post by Tim Rogers » Thu Mar 10, 2022 3:42 pm

The cotton backing is there to take over after the kevlar wears out... :o
<o><o><o><o> Tim Rogers - South of the Adirondacks - Forum member since 2013 <o><o><o><o>

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DanTreace
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Re: What Lining are these

Post by DanTreace » Thu Mar 10, 2022 4:24 pm

Believe that lining is Custom Friction, bonded Kevlar sheet to the underlayment, prior to the development of woven Kevlar in use today.


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John iaccino
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Re: What Lining are these

Post by John iaccino » Thu Mar 10, 2022 4:50 pm

These linings are kevlar bonded to a type of plastic underlayment. These proved to be dangerous as the layer that the kevlar is bonded to deteriorates with the heat of the tranny and will eventually find it's way throughout the entire engine. I suggest that they not be used.


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Re: What Lining are these

Post by Allan » Thu Mar 10, 2022 5:47 pm

The first of the Custom Friction kevlar linings were backed by a cotton material and were a good product, though somewhat difficult to rivet to the bands. Then they changed to the synthetic backing and consequent melt-down problems. I never had occasion to use the later type, so cannot give any help identifying one from the other.

Allan from down under.

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henryford2
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Re: What Lining are these

Post by henryford2 » Thu Mar 10, 2022 5:58 pm

Thanks everyone. I'm guessing that these are kevlar bonded to a cotton backing (see pictures). I had bought these new (many years ago) and only changed the brake band (1926/27) in the car at that time. That band is still in the car with no problems (that I'm aware of).
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