T timvipondMember I'd rather use the 15,000 severe miles to 25,000 normal mile up to 1 year AMSOIL filter than the 3,000 to 7,500 mile Purolator PureOne filter or the 15,000 normal mile (only if out of factory warranty) Mobil 1 filter. 2/7/106:09 PM Last edited by timvipond 2/7/106:23 PM