Well Peter if that was the case with Healeys why did I get oil on my
windscreen the other day.
I have had louvers (custom) in my hood BN-4 Longbridge with center crease
for 10 years. On two occasions when I had replaced the gasket on my valve
cover and hadn\t tightened things down enough, obviously I had oil spray in
the engine compartment and of course because of the louvers, on the wind
screen. The beauty of this is that without the louvers I would not have
known what was happening until my oil pressure disappeared or I parked to
find a puddle of oil.
No I wasn't blinded as it was easy to identify the first tiny drops that
appeared which alerted me to pull over and check what was going on. I am
convinced they assist in cooling down the engine compartment as well, and
boy they look great!
Carl
1957 BN-4 Longbridge body, 3000 engine
--------------------------------------------------
From: "Peter Svilans" <peter.svilans@rogers.com>
Sent: Friday, October 01, 2010 4:24 PM
To: <healeys@autox.team.net>
Subject: [Healeys] Bonnet Louvers
> < the scoop and the louvers
> will tend to fight each other and air that stagnates against the
> windscreen
> will counterflow into the bonnet louvers >
>
> The MGA's body designers put oval air vents into the hood just forward of
> the
> windshield to -logically- let out hot engine compartment air, but
> aerodynamic
> testing showed later that the vents actually pulled air IN, because of an
> unexpected air flow over the top of the hood, and curling against the base
> of
> the windshield.
>
> Best,
> Peter
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