The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...
Desmodromic valvetrains allow for higher revs without needing to worry about valve float. So why do automakers not often use ...
Q I purchased a 2000 Chevy Tahoe with 189,899 miles on it. The 5.3-liter engine produces a bad noise when it is cold, sounding more like a diesel than a gasoline engine. The noise goes away after ...
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