Classic Instruments SN20 Tachometer Filter

The Classic Instruments SN20 Tachometer Filter has garnered mixed reactions from customers, reflecting a range of experiences in improving the performance of tachometers in classic vehicles, particularly those using modern ignition systems like Pertronix. For many users, particularly those facing issues with bouncy or jumpy tach readings, the filter proved to be a straightforward and effective solution, restoring a steady and accurate signal which allowed for smoother readings. One customer praised the ease of installation, noting that it successfully resolved their tachometer's erratic behavior. Conversely, not all users had a positive experience. A few reported dissatisfaction, indicating that the SN20 filter did not improve the tachometer’s output; in some cases, it resulted in no signal at all. This suggests that while the product works well for many, it may not be universally effective, leaving some customers feeling frustrated and suggesting potential buyers proceed with caution if experiencing similar issues. Overall, the reception of the Classic Instruments SN20 Tachometer Filter reflects its potential to enhance tachometer functionality for several users, yet it is tempered by experiences that highlight inConsistency and unpredictability in effectiveness. **