Hmmm Think Airflow

[marc_scirocco@sympatico.ca (Marc Scirocco Quebec)]

Well, the restrictive part in the intake system is the intake runners.
Whatever modification is done before is not gonna help you. Make sure that
the runners are well ported for any other modification to work.

Cheers.

Marc
'83 Scirocco
'88 Scirocco Slegato

-----Message d'origine-----
De : scirocco-l-admin@scirocco.org [mailto:scirocco-l-admin@scirocco.org]De
la part de Brian Wagner
Envoye : 2 decembre, 2002 23:35
A : L F; T Berk; Scirocco List
Objet : Re: Hmmm Think Airflow


Gonna star looking for parts, it is worth a shot.
Brian
 L F <rocco16v@netzero.net> wrote:
Hmmm.  FWIW; The  local autocrosser we bought young son's MkI from did it to
his Jetta.  Used PVC.  He said it helped.

Larry
----- Original Message -----
From: T Berk
To: Scirocco List
Sent: Monday, December 02, 2002 12:14 PM
Subject: Re: Hmmm Think Airflow


Brian Wagner wrote:
>
> Has anyone ever taken the CIS boots off a Jetta 16v GLi(the ones with
> the plastic pipe in between), and modded them say with an ABD 3" tube?
> I think this would work to increase airflow to the TB. Yes and I know
> the TB is on the opposite side.
>
> LMK what you think and if it is worth it I may try it on my 16v.
>
> Brian


What you describe has been called 'the Sewer Pipe Mod". Folks have done
it without the GLI boots but sounds like they might be larger diameter
as well.

Keep in mind velocity is affected by diameter, too large might make for
some turbulence. I'm thinking high end vs low end (RPM) issues might
make themselves known.

 TBerk

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