[Tigers] hood scoop

[Ron Fraser]

I believe Larry has stated this correctly.   If you want outside air with
some ram effect, you need to grab air off the windshield into a sealed air
box.

 

I don't have a hood scoop so I may be full of it with the following
statements.

 

The articles I have read about the Cobra style hood scoop state they work
poorly to get air to the carb at all speeds.

They mostly let hot air out when you slow down and stop.

Shelby American used them but they also studied and created air flow through
the engine compartment.

Other cars with hood scoops, they were sealed to the carb air box for a ram
effect.

Today with the cone shaped K&N type air filters, they put an air box around
them to cancel turbulent air flow.

 

So, as Jay stated - what's your goal.

Ron Fraser

 

From: Tigers <tigers-bounces at autox.team.net> On Behalf Of LARRY PAULICK via
Tigers
Sent: Monday, February 28, 2022 6:26 PM
To: Jay <jay.laifman at gmail.com>
Cc: tigers at autox.team.net
Subject: Re: [Tigers] hood scoop

 

A hood scoop, looks cool, but does very little for performance.  What is
needed is a cold air induction box connected to the carburetor, so that the
air from the scoop goes directly to the carb.  This has been used for years
in racing, and NASCAR uses the high-pressure area of the windshield for the
hood scoop, with the air inlet of the scoop facing the windshield. Here's
the cold air box that I made for my tiger.

 







On Feb 28, 2022, at 5:19 PM, Jay via Tigers <tigers at autox.team.net
<mailto:tigers at autox.team.net> > wrote:

 

What is the goal?  My dad got the LAT hood, which at the time, I was
lukewarm to.  But now that I have the car, I love it.  I have the original
as well, with no interest in swapping back.







On Feb 28, 2022, at 1:44 PM, Terry Lawell via Tigers <tigers at autox.team.net
<mailto:tigers at autox.team.net> > wrote:

Any recommendations for a hood scoop for my Mk1A? Does a Cobra hood scoop
work?

Cheers, Terry
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