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new frame high flow air filter ???


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Get the AC-Delco A1518C filter that is supposed to be on your truck. It is a high flow. I bought a NAPA Gold (Wix made, I think) and it has a lot less pleats than the AC-Delco I took off. I will be going back to the AC-Delco in about 15 or 20 thousand miles.

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I don't think the AC-Delco A1518C is "high flow". It is labeled HD which means Heavy Duty, and when comparing it to the "regular" A1519C the former HD has a lot more pleats/density - apparently this would let the HD filter last longer in dusty, etc, environments; but, because of the increased density it would flow less. The Fram replacements have a LOT less pleats/density than the AC Delco's so theoretically would flow better but at the expense of possibly trapping less particulates or not lasting as long.

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I don't think the AC-Delco A1518C  is "high flow".  It is labeled HD which means Heavy Duty, and when comparing it to the "regular" A1519C the former HD has a lot more pleats/density - apparently this would let the HD filter last longer in dusty, etc,  environments; but, because of the increased density it would flow less.  The Fram replacements have a LOT less pleats/density than the AC Delco's so theoretically would flow better but at the expense of possibly trapping less particulates or not lasting as long.

 

 

 

 

Interesting. I always thought more pleats would flow more. Dosn't more pleats mean more filtering material? (Not more dense material, the same material just more of it). Instead of trying to suck air though, say, 10 sq ft of filter you now can suck though, say, 15 sq ft. You would get the same filtering but the 15 would flow more.

 

Anyway, everyone seems to think they need higher flow filters for stock engines. I hear no one mention "True Flow filters". If you believe advertizing (and it seems lots do) then this is what you want. Foam filter, high flow, no oil, cleanable.

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