Re:[alfa] Air filters, RAM filters, horns, or velocity stacks?? HELP

["Dean W. Cains" <dwc@xxxxxx>]

Hi Don:

Your best bet would likely be a stock Euro air cleaner, sourced from a 
Spider that originally had carbs.  I did some testing on two '74 Spider's 
two summers past, and found that the stock Spica air cleaner provided 
intake air to the throttles at just a few degrees above ambient 
temp.  Shankle air cleaner/velocity stacks provided air to the throttles 
that was ~60F (sometimes more) hotter.  Jim Steck also recently measured a 
slight positive pressure inside a stock Spica air cleaner, due to internal 
resonant effects.  While your Spider has Weber's, there is no reason not to 
expect similar results.  Alfa (at least before government agencies got 
involved) did their homework on both intake and exhaust systems, and 
sometimes original parts are the way to go.

Regards,

Dean
Lutz, FL
'74 & '87 Spider Veloce's

At 12:41 AM 12/30/2003, you wrote:

> Date: Mon, 29 Dec 2003 20:25:24 -0500
> From: Don Harvey <donharvey@domain.elided>
> Subject: [alfa] Air filters, RAM filters, horns, or velocity stacks??  HELP
>
> I have a 1986 Spider that I did a WEBER conversion with 40 DCOE's.  In
> retrospect, I wish I had gone to 45's.  The question is what is the
> best air filter device to create more air flow.  I see IAP has Velocity
> Stacks on a mounting plate with adjustable horns, I've seen Air Horns
> with filter socks on them on various WEBER sights, and of course there
> is also K&N filters available as well.  I do currently have a vacuum
> line running to both filters currently on the vehicle.  Looking to
> smooth out the midrange and feed some more air in.  If I went to the
> Velocity Stack or air horns what do I do with the lines?  Advice?
> Direction?  Thanks
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