Inductive tach

[WBrown]

Originally Posted by banjoQ

So I am curious, how accurate is “reasonably accurate”. Were you able to verify your readings with another source? Do you think attaching the sensor on the #1 cylinder would make a difference? They sound like a good option for those who just want to monitor the RPMs going down the road.

Within 50-75 RPM. Used my timing light tach (which is accurate) as the benchmark. As mentioned, just looking for a guideline as to RPMs vs road speed.