Racing Valve Springs

Racing Valve Springs

Here, courtesy of Erson Cams, are several sound rules to remember. The story is developed for those interested in high-performance engine technology and explains the severity of the environment in which the valve spring operates and some of its relationships with a...
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...
Eaton Detroit Spring: Leaf and coil

Eaton Detroit Spring: Leaf and coil

By Martha Maglone: This summer marks the 80th anniversary of the advent of the Eaton Detroit Spring company. Founded during the Great Depression, the company is one of the most successful in the manufacture of leaf and coil springs and related attaching parts for the...
Ignition for Beginners

Ignition for Beginners

There are two common types of ignition systems: capacitive and inductive. The coil is supplied power by one or the other. Inductive, which is still the most common and employed on most road-going passenger cars, charges the coil with 14.6 volts and discharges between...
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