The pedals have two basic positions. On, or Off. =-)
Oil gets changed by the season, or when I notice oil pressure falling off.
All three vehicles are currently wearing the orange can of doom, and have primarily had the orange can of doom in the past.
Mobil 1 exclusively in one vehicle. Valvoline ac or Castrol gtx in the other two.
They are long term vehicles: 1973 (161,000 miles), 1983 (daily driver, 220,000 miles), and a 1989 (just turned over 160,000 miles). So its not a case of beating on something I trade in every 3-5 years.
I will take any of 'em on a long haul road trip, but usually the 89 since it has a/c.
Alex.
Drive it like you stole it.