[jb92563]

Hmmmm, thats good info and seems to take care of my theory on that.

With a finer filter pores how can the spin on pass more flow. Is the filter area that much larger to compensate?

Racing experiences typically flesh out and proves these sorts of details as the engines are pushed to the limits.

I remember seeing pictures of plastic and rubber seal "Worms" in some peoples engines and wonder how the filter handles those things?

I suppose there is the coarse screen at the pickups to keep big stuff out of the oil passages but if the screen gets blocked....