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"They certainly do. One job when mounting the sensor is to find a location that is sensitive to all the cylinders. One reason to make the detection threshold adaptive is that at say 2000 rpm the general level of mechanical noise is much lower than at say 6000 rpm. However it is many orbits since...

Hi, I have an old knock regulating computer from an 80s turbo car, and I'm trying to understand how it works, just out of curiosity. It runs on an 8048 microcontroller. The sensor signal goes through various op amp stages and finally into a resettable integrator before going to an...

Ah, I completely missed that! Now that I look again, I can see that all the 8s and 10s are nuts and the others are bolts. Thanks!

Hi...I apologize if I'm asking this in the wrong place. I'm working on a car and looking to replace some old corroded fasteners. I want to make sure I'm getting the right grades for everything. The factory manual lists the torque settings along with a column named 'material' which contains...