what is this intake system?!

[amalventano1@comcast.net (Allyn)]

you're tb's probably have that manifold beat overall, but in a specific
range it may have tour tb's beat. it all depends on how they tuned it.
Al

----- Original Message -----
From: "Scott F. Williams" <sfwilliams@comcast.net>
To: "Allyn" <amalventano1@comcast.net>
Cc: "Scirocco List" <scirocco-l@scirocco.org>
Sent: Sunday, May 26, 2002 1:58 PM
Subject: RE: what is this intake system?!


> I follow you on all that, Allyn. But, my question regards how that
> particular Oettinger manifold would likely flow more air than individual
> throttlebodies (such as those that I own). Are you suggesting that the
> velocity stacks on the individual throttlebodys are not also tuned ports?
> --
> Scott F. Williams
> NJ Scirocco nut
> '99 Subaru Impreza 2.5 RS
> Mazda 323 GTX turbo "assaulted" vehicle
> Golf GTI 16v "rollycar"
> ClubVAC: "Roads found. Drivers wanted."
>
> Allyn wrote:
> > quoting another source:
> > Tuned-Port Injection-This manifold was introduced by automakers in the
mid
> > 1980's and millions of them remain on the road today. It represents the
> > first massproduced
> > induction system that clearly incorporates modern wave-dynamic
principals.
> > To optimize low-speed torque and fuel efficiency, the TPI
> > manifold has very
> > long runners (many configurations measure up to 24-inches from
> > valve head to
> > airbox). The runners on most TPI systems are also quite small in
> > diameter-again,
> > to optimize low-speed power.
> > (end quote)
>
>
>
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