Originally Posted By: Jim Allen
Originally Posted By: sayjac
Excellent point. Unfortunately, there's generally very little if any information on the OEM's efficiency. That's why the relatively recent Amsoil test of some OEM's is a pleasant surprise and enlightening, at least to me. eg., efficiency of the Honda A-02 and Toyota oem's as well as the FL820S at the other end.
And, it's also one of the points I was making in my previous post here that we know the P1's rated efficiency, afaik there's no such information on the OEM H/K filter.
Without any efficency info, really the most that can be said about the H/K filter is, it does look well made.
Me too. Even the "lowly" Fram Tough Guard (OCOD) is 94 percent @ 20 um using a blended media.
FRAM Tough Guard is 99% @ 20 microns (and its a silver can
)
Originally Posted By: sayjac
Excellent point. Unfortunately, there's generally very little if any information on the OEM's efficiency. That's why the relatively recent Amsoil test of some OEM's is a pleasant surprise and enlightening, at least to me. eg., efficiency of the Honda A-02 and Toyota oem's as well as the FL820S at the other end.
And, it's also one of the points I was making in my previous post here that we know the P1's rated efficiency, afaik there's no such information on the OEM H/K filter.
Without any efficency info, really the most that can be said about the H/K filter is, it does look well made.
Me too. Even the "lowly" Fram Tough Guard (OCOD) is 94 percent @ 20 um using a blended media.
FRAM Tough Guard is 99% @ 20 microns (and its a silver can