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Filters - Amsoil

In message <9608160651.AA21204@bazooka.amb.org> ti@bazooka.amb.org (Ti Kan) writes:

> The 2.8 V6 in my 96 A4Q certainly doesn't use the same oil filter
> as my other Audis.  The A4Q filter is much larger.  Also, the
> 4000/5000/100 (normally aspirated) cars use a different factory
> filter than the 5000T/200 (turbo) cars.  If Amsoil lists the same part
> for all these cars I would consider their list suspect.  Perhaps the
> Amsoil will "fit" all of them, but there is a reason why the factory
> designed them with different part numbers, because they ARE different.

The turbos (ur-q included) generally have a non-return valve in the filter to 
keep oil in the upper galleries and lifters when the engine is off.  If a 
normal filter is fitted instead, the engine clatters a bit until the oil gets 
up to the lifters.

 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club