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Dodge piston rings


TooTallMike

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Hi all,

 

I've got some strange French-made Dodge piston rings here:

 

There are 4 thin rings and a wavy sprung ring in each packet. There's also a hexagonal sprung spacer to keep them in shape in storage. I think these kits are designed to replace single piston rings.

 

Label translation is:

The new piston/cylinder sealing method

Original Doublex scraper

82,55 dia.

throat profile 4,75

type Dodge

Adjusted ready for fitting 13 D.O.

 

lower diagram trans.:

sealing throat

flats

axial

flats

 

I have 5 of these packets marked as +0,20 and a sixth unmarked but which appears to be the same size as the others.

 

Has anyone come across these before?

 

- Mike

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It's an oil control ring the hexagon spring bit goes in the grove first to give more radial pressure. looks very much like the old cords style ring but i haven't seen one for 20 or so years so may be mistaken

 

chris

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