Miata Mailing List: November 1993, Message #152
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   From: "Michael Butler" 
Subject: Re: Saw a '94 Today
   Date: Tue, 16 Nov 1993 15:50:14 -0500

Rother  writes:
>
>A new addition under the hood is a plastic shield covering the gap
>between the top of the radiator and the nose.  This is the same shape &
>location as an aluminum item offered in the ads in the first few pages
>of the current Miata Magazine.  The magazine ad stated that the shield
>directs more air to - instead of around - the radiator for better
>cooling & performance.  They called it something like a racing
>accessory.  Anyone know about the validity of this?  If Mazda is adding
>it, I assume it must serve a purpose.
>

You'll also notice that the gap between the radiator and the plastic
shield under the engine has been sealed off.  These additions increase
the efficiency of the cooling system -- I'm sure the bigger engine prompted
this.

Michael Butler