Is there such a thing? Of not; who makes the one that has the most flow for a tuned Cat in W9?
Performance Air Filters for a W9 with Cat motor.
Discussion in 'Trucks [ Eighteen Wheelers ]' started by ProfessionalNoticer, Aug 22, 2021.
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Fleet air filters. They're a foam/oil filter. As long as they're oiled properly (you'd be surprised how many people think they're doing it right but aren't) they flow better than a new paper filter and filter considerably better
BigBob410, blairandgretchen and ProfessionalNoticer Thank this. -
I just got my oil analysis back from Cat after my rebuild and the silicon was elevated at 21. Not sure how bad that is.
BigBob410 and blairandgretchen Thank this. -
Still - less is better.
I run an Amsoil BP filter, and I’ve got the Fleet Air.
Much more sucky sucky vroom vroom.
Very technical information I know.BigBob410, ProfessionalNoticer and 062 Thank this. -
So which of the sucky sucky vroom vroom do you think is the better of the two you're currently using?BigBob410 and blairandgretchen Thank this. -
I fully recommend a bypass filter - the Amsoil was about $350 - vs that overpriced KR thing.
Good thing about foam filters - clean every 10-15k, or when you’re bored. Every time you do, you’re saving the paper filter cost.
To me - it’s about the most important thing on a combustion engine - clean and maximum airflow.ProfessionalNoticer and BigBob410 Thank this. -
I thought it was sucky sucky boom boom vroom vroom.... I’m guessing these reusable foam filters are the big truck version of a K&N?
blairandgretchen Thanks this. -
The FA filters are a 3 wrap Velcro fastened foam sheet around a metal cage.
I noticed you can actually hear the turbo better after installing.
Who doesn’t love the sound of a turbo spooling up?God prefers Diesels, ProfessionalNoticer and BigBob410 Thank this. -
Silicone is basically dirt. It's normal for that to be a little elevated after a rebuild or sometimes even an overhead. In my opinion though it shouldn't spike after an overhead, but it might. Who does your oil samples? If it's CAT call them up and ask about that, they'll answer your question. I started using Blackstone Labs with my Detroit. And they will definitely explain a sample mostly without the need to call them and ask for more info. They cost a little more but I think are worth the extra $. As far as air filters I've always preferred Donaldson. Not really a fan of the oiled filters but to each his own.
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