Hi Mark,
Thanks,
Just like my Mom always said... "If it sounds too good to be true, it
probably is".
:-)
Don
Mark Hooper wrote:
>
> Sorry Don:
>
> One atmosphere = 32 feet of water = 14 psi
>
> => 4" = 1/96*14 = 0.15 psi
>
> Mark Hooper
>
> -----Original Message-----
> From: Don Malling [mailto:dmallin@attglobal.net]
> Sent: Wednesday, February 19, 2003 7:42 AM
> To: Richard Good
> Cc: Richard Seaton; 6-Pack
> Subject: Re: Air filter location for the fresh air intake.
>
> Hi Richard,
>
> Help me with this.
>
> I think the turbo boost gauge on my 89 Probe (It was free), goes from 0
> to 12 (inches of water column pressure?? PSI?? The same??). I rarely
> boost it over 6...
>
> If 3-4 inches is the same as my Probe's 0-12 boost gauge scale, 3-4 is a
> very respectable amount of boost. Maybe I should replace my wimpy planar
> TR250 stock hardboard radiator wings with your closed TR6 style radiator
> shroud?
>
> Don Malling
>
>
>
> Richard Good wrote:
> >
> > The area behind the grille is a high pressure area when the car is moving.
> > Connecting the intake to this area will take advantage of both the
> pressure and the
> > lower temperature of the air. We are not talking about alot of pressure
> but a little
> > pressure sure beats a vacuum. It has been alot of years since I did the
> testing but
> > if I remember correctly with my ram air system with the filter out front
> and a 3.5"
> > hose, I measured 3 or 4 inches of water column pressure at the rear of the
> air box
> > at 60 mph at full throttle at 5000+ rpm.
> >
> > Since the entire area behind the grille is pressurized I would not expect
> much
> > advantage from a funnel turned forward. The location of the filter, front
> or back,
> > should not make a difference either. What will make a difference is the
> amount of
> > restriction created by the size of the filter and diameter of the hose.
> Hoses
> > connected to the two little fittings on the front of the early filter
> housing will
> > be way too small to move enough air for a high performance engine.
> >
> > About blocking the radiator and overheating? Unless you have something
> flat in front
> > of the radiator it will not be a problem. That pressurized air will flow
> right
> > around the filter and through the core.
> >
> > Richard Good
> >
> > Don Malling wrote:
> >
> > > Hi Richard,
> > >
> > > I have often wondered about this.
> > >
> > > I thought the objective of connecting the carb air supply to the
> > > radiator cowl was to create a ram induction affect -- turbo sort of.
> > >
> > > If that is true, wouldn't it increase the ram affect to keep the air
> > > filter back at the carbs rather than out front at the radiator cowl? It
> > > would seem that air filter out front would decrease the ram affect. It
> > > would seem that even at the radiator cowl, you would want to mount some
> > > kind of funnel shape.
> > >
> > > Always wondered but was afraid to ask...
> > >
> > > Don Malling
> > >
> > > Richard Seaton wrote:
> > > >
> > > > 6 Pack,
> > > >
> > > > While considering relocating the air filter up past the radiator
> shroud, I
> > > > got to considering rain will pass the grille and soak the filter.
> > > >
> > > > Hopefully this will be few and far between. What have others done
> when
> > > > relocating the filter to this location and is it unnecessary to worry
> about it
> > > > getting wet?
> > > > The filter getting water logged isn't good, right.(?) Should I
> fabricate a
> > > > shield for the front of it, and what about the shield limiting
> airflow? Just a
> > > > note,Richard Good's has a shield.
> > > >
> > > > Maybe I should think about something else, but it's too cold to work
> on the
> > > > car.
> > > >
> > > > Richard Seaton
> > > > RSH17@msn.com
> > > > View My restoration @ (http://groups.msn.com/Richards69TR6Restoration)
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