The easy way to detect engine knock
The G4+ KnockBlock is an essential tool for tuning and can aid in the early
detection of incorrect timing, lean air/fuel mixtures and mechanical issues.
The following sound recordings were sampled at various RPM at first with correct
timing, which does not produce knock; then timing was advanced to induce knock,
and finally timing was reduced to eliminate knock:
The following sound recordings were sampled at various RPM to demonstrate heavy
Please note, the following sounds are in Microsoft's WMA format which can be
played through Windows Media Player and other audio players with WMA support.