Throughout this site we use many technical terms, and given the breadth of readership our site enjoys, sometimes we are remiss and incorrectly assume everyone knows what we are referring to. For those that do not, here are some explanations of the technical terms use.
Ensuring that the carburettors in a multi-carburettor system operate in unison. The throttle linkage has to be synchronized in addition to tuning by instruments. The still-popular method of gauging synchronization by listening to the hiss of air induction is subject to human error, and a visual instrument is acknowledged to be a positive method of balancing. An alternative is electronic tuning or the use of a vacuum (manifold depression) gauge.