The demands for better emissions and fuel economy in the mid 1970s necessitated leaner fuel mixtures. These leaner mixtures required greater voltage and more spark to ignite. This challenge led GM ...

There are instances where OEM design is so good that it lends itself to a broad range of applications within the high-performance aftermarket. Some good examples are the Mustang II frontend, Corvair ...

Performance Distributors developed these 383/440 distributors to clear stock valve covers and fit under low production hoods like our '67 Coronet's. We tried a set of the Mopar Performance finned ...

It wasn't all that long ago that GM engineers designed the original HEI system to replace the decades old points-type ignitions. In the mid-'70s, leaner mixtures demanded greater voltage and more ...