<VV> Oil Filters & gpm (Gallons per minute)

[Ron]

Nonsense!

RonH

----- Original Message ----- 
From: "BBRT" <chsadek at comcast.net>
To: <virtualvairs at corvair.org>
Sent: Sunday, May 11, 2008 7:20 AM
Subject: <VV> Oil Filters & gpm (Gallons per minute)


> Happy Mothers Day!
>
> I have been looking into gpm oil requirements for a Corvair engine.  I 
> came across comments touting Pure Power Oil Filter.  Basically two points 
> I offer up for opinions by our esteemed readers...
>
> First, the claim that most oil filters trap debris by oil flowing across 
> oil filter paper, not thru it.  "Most "throw away" filters flow oil at 7-9 
> gpm and is known in the industry as a "nominal extraction" filter. In a 
> "throw away" filter the oil DOES NOT go THROUGH the paper filter --it is 
> designed to run the oil BY the paper element. Small (NOMINAL) amounts of 
> debris are then "snagged" or settle in the valley of the pleats. In most 
> paper filters the Bypass opens up shortly after engine startup.
>
> Is the above statement true?
>
> Secondly, some oil filters allow 7-9 gpm flow while the Pure Power claims 
> 20 gpm, thereby implying less resistance to oil flow and therefore less HP 
> required to run oil pump.  "When the resistance is reduced, as with the 
> Pure Power! Oil Filter, the oil pressure and horsepower INCREASES. This is 
> can be compared to installing a more efficient set of headers or exhaust 
> system. The filter does not "make" horsepower, it "FREES" horsepower that 
> is being wasted trying to force oil through and obstruction ("throwaway 
> filter" or bypass"). There have been many dyno tests done around the world 
> all with similar results. We do our testing at Southwest Research 
> Institute (SwRI) which is the premier testing laboratory for automotive 
> products and is used by O.E.M.s and the U.S. Govt. 
> http://www.swri.org/3PUBS/BROCHURE/D08/OILFILT/oilfilt.HTM "
>
> What do y'all think about this?
>
> For the articles in question, go to this link.
>
> http://www.epinions.com/content_5153071236
>
> Chuck S
> BBRT
>
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