Depends on the filter- I have a later fram and it has a spacer for the bottom side of the filter cartridge, and a spring for the top. If you only have the spring, I would put it on the bottom




1949 Chevy 4400 Big Red
1949 Chevy 3600 Bob's Truck
1949 Chevy 3100 The Investment
1949 Chevy 3800 the Won Ton