Well...didn't receive anything yet via FAX or Email...So I called them up
directly. Here's the ratings I received from a tech (Chris) from K&N.
Here is the formula they use: ((3.14 x Diameter x Height) x 6) = MAX Flow Rate
10" x 2" Round = 377 CFM (Way too small)
10" x 3" Round = 565 CFM (V6...maybe)
14" x 3" Round = 791 CFM (Perfect)
5" x 7" Cone = 527 CFM (V6...maybe)
6" x 9" Cone = 1017 CFM (Oh yeah BABY!)
Remember that your STOCK engine may never see those actual numbers. the
14"x3" is perfect for most of the V8's but there has been some concern with
the heat factor. Most of the cold air boxes use a 6" x 9" cone and is more
than plenty for most applications.
- Bernd
At 06:31 PM 08/31/1999 +0000, you wrote:
>Good find, Bernd.
>Thanks for the info, inquiring minds need to know.
>Dr. Pat
>
>----------
> >From: "Bernd D. Ratsch" <bernd@texas.net>
> >To: dakota-truck@buffnet.net
> >Subject: DML: K&N Flow Rating Comparison
> >Date: Tue, Aug 31, 1999, 4:23 PM
> >
>
> > Something interesting from K&N's Website for Flow Ratings:
> >
> > FOAM: AMSOIL LT-31;UNIFILTER 04-0031 376 CFM
> > K&N (USED) (42,000 MILES) #E-1500 463CFM
> > PAPER AC A348C; FRAM CA326;HASTINGS AC-145; K-MART KA-12;MOTORCRAFT FA-71R
> > 508 CFM
> > K&N FILTERCHARGER #E-1500 887 CFM
> >
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