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Dave Wheatley
Dec 6, 2016 - 10:19AM
Re: Clupet piston rings

Jim Holyoake
I used Cords rings when rebuilding a Daimler Straight 8 engine many years ago. They were friendly and helpful and produced rings that fitted the unusual dimensions of the engine.
They still exist in Merthyr Tydfil see
http://www.cordsduaflex.com


Thanks for the link Jim.
I see from their website that they have taken over Hepolite.
The Hepolite Oilmasters were not as fierce as the Cords, but they still controlled oil consumption.
I am delighted that the firm still exists.
I am needing some new rings for my 1955 Standard 10, and standard bore rings do not appear to available, so I will be contacting Cordsduaflex as well as Clupets.

Location: Bonnie Galloway

Tony Press
Dec 7, 2016 - 3:42AM
Re: Clupet piston rings

From 'The 750 Special Builders Guide' published approximately 1954

An article- Building a 750 Formula Car by J French, Page 21, last paragraph-

"I do not use and I will pass no opinion on the special piston rings such as the Cord (sic), but I have seen some blocks on which the wear subsequent to fitting them has been fumonial and like unto a barrel."

I knew I had seen it !

Cheers, Tony.

Location: Malvern, Victoria, Australia

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Dec 7th, 2016 - 3:42 AM
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