Date: Mon, 22 May 2000 14:20:41 -0700
Reply-To: BRENT CHRISTENSEN <bchristensen@INFOGENESIS.COM>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: BRENT CHRISTENSEN <bchristensen@INFOGENESIS.COM>
Subject: Re: engine I4 swap done, get more power????
Content-Type: multipart/alternative;
It has been about 7-8 years, but I used to get all kinds of performance
parts for Rabbits, GTi's and Sciroccos from several companies (there are
lots). Neuspeed was one I remember. Most of the performance parts make
power in the higher-rpm ranges (where you are living with that diesel
trans). However, you are often going to sacrifice low-end grunt (which is
what you really need). Some things I did on my old Scirocco to increase
off-the-line grunt:
Free flowing exhaust with European GTi 4-2-1 manifold (sound like you have
this already)
Bigger AFM (~100 mm I think)
Larger throttle body, match ported to intake manifold
"Euro" grind cam
Balanced and blueprinted motor with 10:1 pistons
Lightened flywheel
With this setup I used to eat 8v GTi's for lunch, and could hang with the
16v Sciroccos and GTi's up through 3rd gear.
Driving a Vanagon is a whole different thing, though, so I don't know if
much of this applies to your situation... (i.e. YMMV)
Brent Christensen
'89 GL Syncro Westy
Santa Barbara, CA
> At 07:23 AM 20/05/2000 -0700, Robert Zezoff wrote:
> >The diesel is gone and a beautiful 92 cabriolet digifant
> motor with 102k is
> >in its place.
> >I have the diesel tranny and run 4200 rpm at 70 mph.
> >It has the good GL exhaust 4-2-1 style manifold and mandrel
> bent custom
> >downpipe into a dynomax muffler.
> >The van runs great but still have to downshift to third on
> long grades.
> >
> >The 92 cab digifant motor is rated at 92hp, I think due to
> the original
> >manifold.
> >
> >What can I do to increase power on this thing.
> >
> >Bobby
> >Folsom CA
> >
> >
>
> -- David Marshall - Volkswagen Enthusiast - Quesnel, BC, Canada --
> -- 78 VW Rabbit, 80 VW Iltis, 80 VW Caddy, 84 VW Westfalia --
> -- 85 VW Cabriolet, 87 Audi 5000 Quattro, 88 VW Syncro Double Cab --
> -- David's Volkswagen Home Page http://www.volkswagen.org --
> -- Fast Forward Autobahn Sport Tuning http://www.fastforward.ca --
> -- david@volkswagen.org (pmail) or vanagon@volkswagen.org (list) --
>
[text/html]
| 
