Re: Powerdyne Air Filter - Airflow Capability

From: Tim Berry (coolva1@home.com)
Date: Sun Mar 25 2001 - 12:30:49 EST


Just a side note, when I installed the 9# pully, i tryed everything to get
it to get 9PSI, but never saw more than 6... so I said, hell, lets take the
little filter off, and see what happens, BAM, 9PSI.... I'm runnin a larger
cone now, and just the 2 90 degree elbows, that flex tube crap makes me
loose boost as well...

Tim Berry

> Well, we ran a dyno test on Richard Pyburn's '95 5.2L SLT (Club Cab) and
we
> found something very interesting, the filter that comes with the Powerdyne
> kit is too small and is partially (inwards) crushed. This filter (on his
> '95) touched nothing around it and was brand new (I gave him my Powerdyne
> filter which was never used). After speaking with the people at the Dyno
> shop (who work on a lot of domestic and import "Hot Rods", they're
comments
> were: "That filter is just too small", "We've seen those get crushed
> (inwards) under boost before", and "At least a 6"x9" cone...that things
too
> small".
>
> So, for those who think that the stock Powerdyne filter is adequate,
> sure...it's adequate for the location where it's installed, but not for
the
> CFM requirements.
>
> I'll take some pictures of it to show you...
>
> - Bernd
> (Loving my 6"x9" Cone off of the Powerdyne)
>



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