Also known as intake trumpets, velocity stacks were developed for purposes that don’t include the engine bay’s appearance. Put simply, smoothing the flow of air allows more of it to flow through the ...

The evolution of sophisticated two-barrel racing carbs began in the mid-'60s with the AHRA formula Stock classification system which provided distinction between cars running multiple carburetors ...

Interestingly, some ideas are the same, regardless of your type of racing. Whenever the National Association for Stock Car Auto Racing chooses to curb speeds in its Grand National division—and this ...