Probably a felt cartridge insert made by BMC or BAP/GEON for my 1960 'bugeye' Austin Healy Sprite. It had a 948cc 4 banger with twin SU carbs. 48 asthmatic HP if I remember.
A Hastings that I got from a local parts store. It was all they had for the Datsun B210 that was handed down to me while in high school. Definitely not a chick magnet, but beat walking. My Dad was a Quaker State man, so I probably grabbed something from his stash.
No idea. I know I started doing oil changes as a teen on my '77 Monte Carlo in '86.
I do good to remember what my most recent filter purchase is, much less almost 35 years ago.
I do remember buying both Fram and Wix in the '90's though.
Whatever the shop I was apprenticing at used. It was for my first car (Duster 340 W/4-speed), which I had to rebuild the engine and transmission on (with some guidance). I was 15.