When I was a kid working at a Chevron gas station in 1961-1963, it was a policy to change the filter every other oil change. I think it was common practice back then. Remember the stcikers on the door frame that recorded the mileages?
1948 3/4-Ton 5-Window Flatbed Chevrolet 34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
