I second this. You'd check your oil when driving to next town 50km away and if you decide to drive to country nearby you'd have to spend few weeks hardening eve

I second this. You'd check your oil when driving to next town 50km away and if you decide to drive to country nearby you'd have to spend few weeks hardening everything. Imagine Japanese cars from the period. You'd drive for 20kkm without oil change and will be sure it will start next morning at -20C.