To Josh's point: https://youtu.be/sJ3L-E-ufYo
The particle test starts at about 9:00. I have used K&N air filters in my vehicles for years. Hmmm. Rethinking that. Also, I worked for the company that made Fram products for decades. I don't use Fram products. -- Dennis C. Touche' 35-1 #83 Mandeville, LA On Fri, Jul 1, 2022 at 5:26 PM Josh via CnC-List <cnc-list@cnc-list.com> wrote: > Amsoil has some pretty interesting resources regarding "high flow" air > filters. They sat that some very high percentage of wear occurs as a > result of particles smaller than 5 microns. Well if you oil filter only > gets brtween 10 and 20 microns then what is one to do? Additionally were > would particles that small come from? Their answer is that they come from > the air and that preventing the intake of those particles is critical to > keeping them out of the engine oil. Of course they sell air filters that > filter below the 5 micron size but of note is their statement that filters > like K&N are capable of achieving high flow due to their large media pore > size. In fact its not really media at all but rather a cotton gause which > often relies on a sticky oil to catch the dirt. I'll see if I can find > the publication. It was enough for me to stop using K&N and instead look > for oversized options with small micron ratings. Of course anything is > better than the Yanmar sponge...or worse a yanmar sponge disintegrating > into the engine. > > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > > Jun 30, 2022 07:53:34 John Irvin via CnC-List <cnc-list@cnc-list.com>: > > Have used K&N in my vehicles for decades. Very satisfied. Should work in > boats. > > Sent from my iPhone > > On Jun 29, 2022, at 9:31 PM, Dave via CnC-List <cnc-list@cnc-list.com> > wrote: > > > > We have met the enemy, and he is us! Lol.... > > Mine also disintegrated, and the particles were ingested by the engine. > Seems a bit ironic for an air filter to expire this way, though oddly just > for failing to replace it. > > You too were punished. Karma. > > > > Glad it worked out. > > > > Dave > > > > > >
