RE: TB/intake upgrades

["Aaron Ness" <aaron@makuta.com>]

<x-charset iso-8859-1>Does someone sell an intake that is larger, to go with the larger TB?  Or is
it possible that the intake on the donor car might be compatible with my 8V
head?

Aaron
'84 Scirocco - Woo-hoo!
'70 Bug - hibernating
'87 Nissan truck - Soon to be for sale


-----Original Message-----
From: Mark Peele [mailto:type53@yahoo.com]
Sent: Monday, October 04, 1999 11:08 AM
To: Aaron Ness; 'scirocco'
Subject: Re: TB/intake upgrades


--- Aaron Ness <Aaron@makuta.com> wrote:
> There was a recent thread about using an A2 VW or
> Audi 5000 TB modified
> slightly to increase flow which I followed with
> interest.

Neu$peed TB = A2 TB = Audi 5000 TB. No mods to the TB
are necessary except to use your TB old linkage (swap)
and swap in the old TB idle adjust hex screw.

  Someone mentioned
> that the stock intake manifold is restrictive, and I
> took the comment to
> mean that there would be little or nothing gained
> from this mod without
> doing something with the intake.

The intake must be port matched to the TB. Otherwise,
you will gain about 0.0 hp.

  Is there any truth
> to this?

Even with the matched port, it will give you maybe 3
hp (according to dyno tests). So . . what's 3hp worth
to ya?

  Would it be worth my time to pull the intake and
grind it out a > little and polish it up?
> Can I improve the engine's performance noticeably
> just by doing this,
> without swapping the TB?

If you are talking about P&P, IMHO, this should only
be done by a pro. You can port match it yourself to
the bigger TB if ya got the tools and such.


=====
Mark Peele
1981 Scirocco, 1982 Scirocco, 1978 Scirocco, 1987 Golf GT
http://home.t-online.de/home/Scirocco2/mark.htm
Direct Mail: SCIROCCO_GTX@YAHOO.COM
Free: Dual outlet A1 manifold - nds studs (in MD)
__________________________________________________
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