[Vwdiesel] air filters

[pmdolan1 at sasktel.net]

I have done extensive testing (ten years ago) on stock and aftermarket 
air filters and filter systems for Ford 7.3, and suprisingly, the K&N 
panel filter I tested did not even flow that well.  I have also 
unfortunately had expensive personal experience with K&N filters 
failing to provide even fundamental levels of filtration (most on other 
people's engines, but a few times on  my own).  If someone gave me a 
thousand dollar K&N system for one of my vehicles, it would become a 
doorstop or paper weight, NEVER a filter on a running engine. 

On VW TDIs, the stock system will flow far more air than the engine 
needs up to considerably more horesepower than a street engine is 
likely to ever make.  If you REALLY want more, install an R32 system 
(if there is one to fit your car). 

On Sun, 25 Aug 2013 10:14:12 -0400, mikitka <mikitka at embarqmail.com> wrote:
 From all the UOA's I have read and a friend that I send mine to, a K&N will
> provide better airflow but at the cost of filtering. Most do not clean and
> oil it properly so they get MAF issues.  We just stick with a Fram paper
> filter. Works really well according to our UOA's and they are inexpensive. 
>
> Nick
>
> -----Original Message-----
> From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com] On
> Behalf Of Shalyn Shourds
> Sent: August 25, 2013 2:00 AM
> To: vwdiesel at vwfans.com
> Subject: [Vwdiesel] air filters
>
> Tonight, I got to see a '06 TDI Jetta that Dad recently bought.  A lot of
> miles, but his wife wanted an automatic to drive around town.  He's been
> doing some maintenance on it to make sure it's good to go.  Looking at it,
> it sounded like one of the air lines to or from the intercooler had come
> off.  Not a huge problem, but another thing for him to take care of.  About
> that time, I saw the K&N sticker on the intake.  I asked him if someone had
> put that on there, he said he had.  I'd heard that the oil on those 
> K&N filters gunks up the MAF.  Any
> thoughts?  I just put the proper MANN filter in there and called it 
> a day.  I'm still trying to figure out what possessed him to put 
> that in there. 
> It's always seemed like the sort of thing you buy if you spend too much time
> idling around cheap parts stores.  Maybe I need to check on what all he's
> been doing since he retired........  -Shalyn
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