Using synthetic oil in motor and transmission.
Regularly use Lucas UCL, Marvel Mystery Oil or Fuel Power Plus in the gasoline.
Tires kept at 40/38psi front/rear.
I carry virtually nothing in my car except what I need that day.
16" full-moon 'racing' disks front and rear.
Looking for factory (or equivalent quality) rear wheel well skirts. I might do a grill block of the lower front opening ...