My '81 Westy has both fuel filters -- one before the tank and one after --.
It was originally a California vehicle, and the original owner told me it
came that way new.

----- Original Message -----
From: "Charles McGehee" <chasm@ELLTEL.NET>

> Mine has the plastic filter before the fuel pump (large output line) AND
> the metal one after.  Was that done at the factory or by a previous
> owner?  And is it necessary?  Bentley says the plastic one is for
> non-California cars and the metal one for California cars.  Is that
> true?   In any event, does it provide better filtration or does it reduce
> the fuel pressure?
>
> Charles
> '85 Westy