Onug said:Keep in mind that one filter example doesn't mean every Motorcraft with louvers is going to be made correctly. We've seen louver opening size vary all over the place on the same exact brand & model of oil filters.
It doesn't look like louvers would be that difficult to manufacture. Do they buy whatever thickness and grade sheet steel was on sale that day and run it through the machine?
Onug said:Keep in mind that one filter example doesn't mean every Motorcraft with louvers is going to be made correctly. We've seen louver opening size vary all over the place on the same exact brand & model of oil filters.
It doesn't look like louvers would be that difficult to manufacture. Do they buy whatever thickness and grade sheet steel was on sale that day and run it through the machine?
They use coiled steel and they have parameters they follow.