Quote:
Originally Posted by Larry Hill
Ceramic lifters failure seems to start the snowball rolling for engine destruction. We brake the cam in on a fixture, run it on a dyno, race it with break in oil and then the ceramic lets go and it’s back to square one.
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Ceramic materials were never intended for the dynamics and type of surface contact of a camshaft lobe and lifter crown. Ceramics are polycrystalline materials joined together, in layman terms, all ceramics are multiple crystals joined and formed together.
Although they are used in high impact applications such as ballistic armor, ceramics are brittle and have poor impact strength. When ceramics are used as ballistic armor, they are also surrounded by or encased in Kevlar material and replaced after receiving an impact.