A class action lawsuit filed against GM over alleged faulty lifters in certain V8 engines has still not received class action ...

Things just keep stalling, making plaintiffs and lawyers give up after years of waiting. General Motors isn't complaining.

A small gap with big importance in the performance and health of an engine - here's everything you need to know.

A federal judge has sent 17 plaintiffs in a class action lawsuit against GM to arbitration. The plaintiffs were part of a class action lawsuit against GM that alleges a malfunction in the automaker’s ...

Once upon a time, most car engines used solid or mechanical lifters. But unlike most fairy tales that begin that way, there was no lasting happy ending for them. Hydraulic lifters first appeared in ...

March 30, 2007 Over the last century of automobile development, we have seen an enormous range of valve actuation technologies, ranging from pushrod, through single then double overhead camshafts, ...

"Bullwinkle, that trick never works. Why don't you figure out how to make hydraulic roller lifters survive big spring pressure." "Huh?" Like Bullwinkle, hydraulic roller lifters get no respect. It ...

QUESTIONI'm in the process of transplanting an L77 from a 2012 Caprice 9C1 PPV [police pursuit vehicle] along with its 6L80E [six-speed, longitudinally mounted electronic automatic overdrive ...