The engine “Know” what the temperature and manifold pressure is. From this, the correct amount of…"
I did some experiments with the coil spring, compressed it with a hydraulic press on a scale until I didn't dare compress any more.
Viking steel bungee spring compression rate
The inner diameter of the tube seemed to be a little tight and…"
We tried calling you but busy. I think you have a land line.
In any case, here is a video as well.
Viking phone is 386-566-2616"