This is the best I have seen on oil filters, and to us air cooled guys it is live or die with filters.
http://www.frankhunt.com/FRANK/corve...lterstudy.html
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The recipe for perpetual ignorance is: be satisfied with your opinions and content with your knowledge.
Elbert Hubbard (1856 - 1915)
2003 Electric Blue GT-30,000 Miles on the clock
Stage 1, Greddy Profec II B. Turbo Chargers Wastegate set to 13#. Forge Motors BOV (Blue of course). Brand AMX Intake/AirCooler Pipes/K&N Cone with Snorkel to Fender well, MSD Coil, Live Wires(Blue of course), Factory rear sway bar, KYB struts and shocks, BTG strut tower brace, Suspension Techniques 1.3\" F/R lowering springs, ATP 3” down pipe with high flow cat, BTG axle back exhaust, Rear Spoiler. Russel Brake Lines/Hawk Brake Pads/Power Slot Cyro Rotors on a four corners
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