Quote:
Originally Posted by Speedy
I ran oil filters for 20K miles (Purolator Pure One) and the analysis showed they were still fine even at 20K.
Amsoil is good stuff, but it's a high priced boutique oil. The 25K OCI assumes your changing filters which require a top up of the oil in the sump which in turn renews the additive pack. That's how it lasts so long.
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Word- Personally i loved the Amsoil and K&N oil filter changed every 3500 miles...
The oil filter you were running sounds intense....