[DeTomaso] Cobra / Shelby Club Race at WillowSprings /RearDeckLid Needed

Will Kooiman wkooiman at earthlink.net
Thu May 15 20:56:04 EDT 2008


If you reach 200hp, you'll have to repaint your car flat blue.

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of michael frazier
Sent: Thursday, May 15, 2008 7:31 PM
To: John Taphorn; jjd1010 at aol.com; detomaso at realbig.com
Subject: Re: [DeTomaso] Cobra / Shelby Club Race at WillowSprings
/RearDeckLid Needed


.> >I thought that the major source of air for the carbs came up from under
the car.
 
There is significant airflow in and around the engine compartment area of a
Pantera.  The engine doesn't
breathe anywhere near the amount of air that is available back there.  The
engine sources it's air from whatever
is around the intake.  If it's like 95% of the Panteras out there with a
round air cleaner on a carb, it breaths
air from around the top of the engine however it got there...and that's the
problem.  I cannot find the paper
but I remember the important part and that is on our cars you will gain more
from a cooler air charge than you 
will gain from any ram effect.  This is for real world cars and speeds OK.
The original cars had an extension
that led down below the hearder tubes.  I think most cars of the era had
those black flexible tubes leading
somewhere outside of the engine compartment as do all new cars.  Since
nobody likes the old blue Ford air cleaner housing, we've pretty much
forgotten about that.  I have twin filters on Weber style EFI and had
planned to build an airbox for them but I think now it will be a effort to
just provide cooler air to them with some ducting.  I doubt I'll
ever feel a difference but it sounds like a fun project.  I have a set of
magnesium valve covers off one of the
TransAm Boss 302s with dzus mounts on the side where heat shields were
attached above the header tubes.
Some simple panels could reduce the amount of air flowing through the
headers and up to the intake area.  I'll 
let you know how it works.  I may reach 175hp one of these days.  Look out.
Michael
Gruppo Rompiculi Corsa Y'all
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