I've thought about permanent ones also, but not sure I want to
spend that much time, playing with my oil
granted finding bits and making a journal of shavings size is good
have the 7 year extended
$7 kinda works - I'd use a K&N if I had one, or WIX
main thing is change the oil, trying RevTechUltra next time, have some
already purchased, I know I want to try RedLine the time after that
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