FIVE PISTON RINGS
NEW CHRYSLER DESIGN In their “72” model Chrysler engineers use a piston 4 1-l Sin long, carrying five rings, four of which are for compression, and are of Tungtite construction. These Tungtite compression rings together with the fifth or oil control ring, practically double the ring surface. One of the important features of the new car is better control of heat. Heads of the new pistons have been designed in such a manner that an increased bulk of aluminium alloy gives more complete dissipation of heat. . With the conventional three-ring equipment temperature at the centre of the average thin aluminium piston head rises to about 550 degrees after half a mile of fast driving with modern high compression engines. With the use of invarstrut pistons and Tungtite rings, however, maximum temperatures do not go above 375 degrees.
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Bibliographic details
Sun (Auckland), Volume I, Issue 284, 21 February 1928, Page 7
Word Count
140FIVE PISTON RINGS Sun (Auckland), Volume I, Issue 284, 21 February 1928, Page 7
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