On the factory bypass filter,the oil does not drain out of the filter when the engine is shut off.Open one up and look inside and you will see why.If one does,it is because you have the lines hooked up backwords. Ford Escorts with diesel engines have two filters from the factory.One is a remote bypass spin on type filter.I used one on my 50 Chevy beer truck.It had a 1959 235 engine in it.I bolted the Escort one on the unused left side motor mount holes and ran some very short lines on it.Looked like it was made for it.
EvilDr235
