Racing Valve Springs

Racing Valve Springs

Here, courtesy of Erson Cams, are several sound rules to remember–it’s a brief insight developed for those interested in high-performance engine technology that explains the severity of the environment in which the valve spring operates and some of its relationships...
What is core shift and why is it detrimental?

What is core shift and why is it detrimental?

How a clever concept remedied misalignment in competition engine blocks. By Archie Bosman: No other engine deficiency would have irritated racers, particularly professional drag racers of the last century like core shift. A bitter source of anguish, they would...