I was going to take a photo of yarn strips all over the LAT hood on our car,
but I see there's probably no need to. I neglected to latch the hood
completely and found it lifted over 2-1/2" at the rear at 60 mph.
There may well be air entering at the center due to the windshield's bow
wave, but it's exiting aplenty at the corners, apparently.
Duncan
----- Original Message -----
From: "James Barrett" <jamesbrt@mindspring.com>
To: <CoolVT@aol.com>
Cc: <tigers@autox.team.net>
Sent: Sunday, February 03, 2002 1:09 PM
Subject: Re: Hood airflow
> At 12:45 PM 1/30/2002 EST, you wrote:
> >I thought I remembered something on that. I thought it was discovered
that
> >the hood scoop would actually exit air from the engine rather than act as
an
> >intake. Mark L.
> >
> Mark,
> I have a 2 1/2" high hood scoop similar to a small Z28 scoop.
That
> is, the opening
> is near the windshield. I originally put it on to clear the tall air
> cleaner and to
> exhaust the hot air. Well below 35 mph, hot air exits the scoop at the
> windshield.
> Faster speed makes this an input, not am output. First noticed this when
I saw
> rain drops being sucked in. A 2" long strip of clear tape confirmed this
on
> dry days.
> I assume the high pressure at the base of the windshield is the cause.
>
> James Barrett Tiger II 351C and others
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