RAM Air Induction on Turbo Applications?

[JShadzi at aol.com]

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[ Picked text/plain from multipart/alternative ]
Mike, realistically the gains are minimal, I'll give you my basic theory
about Ram Air...it is doubtful that any ram air system will create any
positive pressure within the combustion chamber, Ram Air is useful for
overcoming intake restrictions, however, and helps reduce "negative boost"
within the intake system, mainly in helping overcome the restriction of the
air filter.

In the case of my car running 034efi, my intake tract consists of an HKS foam
cone filter with a 3" opening, about 8 inches of 3" ID flexible hose going
directly into the 3" inlet of my T4 compressor see: <A HREF="http://80tq.com/images/turbo_intake.JPG">
http://80tq.com/images/turbo_intake.JPG</A>

The key is getting cool air and reducing intake restrictions, "ramair" can
help do both, but don't look for more than 1 or 2 hp or none at all due to
the effect of positive pressure.

Javad

In a message dated 12/20/2002 7:45:34 PM Pacific Standard Time,
quattrofan at sbcglobal.net writes:

> Hi all,
>
> Does anyone have any opinions on whether a RAM Air intake system would be
> beneficial on a 5cy turbo application?  This is something I am planning on
> experimenting with on a custom MC turbo I'll be swapping into my 90q in the
> next year or so.
>
> My initial thoughts are that it would not be a useful on the CIS system as
> it would with a full EFI.
>
> Basically I have a really cool idea, but I am wondering if it's worth
> building.
>
> Thanks in advance,
>