Are there significant drawbacks to only being able to adjust cam timing based on RPM and not engine load? How advantageous is it to be able to change the relationship between RPM and phase angle on the fly, rather than being bound by physical relationships like Hooke’s law and centripetal force?

Bunch of Soviet cars

While not being a fan of USSR-made vehicles (except hydrofoils - love them!), I realized it would be shame not to visit local retro (and mostly soviet) car club gathering, given it’s 5 minutes of walk from my home, which is Ivano-Frankivsk, Ukraine. Once got to the gathering I saw over 20 cars, and, despite cold…