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Autocross tips and tricks...
AFAIK, the bottleneck is the intake manifold.
Cheers.
Marc
'83 Scirocco
'97 A4
> -----Message d'origine-----
> De : scirocco-l-bounces@scirocco.org
> [mailto:scirocco-l-bounces@scirocco.org]De la part de Michael Abatzis
> Envoy? : mercredi 11 ao?t 2004 02:00
> ? : scirocco-l@scirocco.org
> Objet : RE: Autocross tips and tricks...
>
>
> i don't think i've ever seen a dyno run (not from k&n of course)
> that showed
> any improvement with it. from what i've seen, the air filter
> isn't much of
> a bottleneck in our cars. the venturi/air meter is much worse...anyway, i
> have one in my car and notice no difference. along with the tt powermod
> (which i also have), i think these are the 2 worst bang-for-buck
> "improvements".
>
> -Michael Abatzis
> New Orleans!
> 1988 Scirocco 2L 16v RIP
> 1987 Scirocco 2L 16v...
>
>
>
> >From: "Rhett Farnum" <rocco_crossing@hotmail.com>
> >To: sad_rocc@yahoo.com, scirocco-l@scirocco.org
> >Subject: RE: Autocross tips and tricks...
> >Date: Tue, 10 Aug 2004 15:24:27 -0500
> >
> >Dan, that is the first time I have EVER heard of the guaze type filters
> >being worse. Everyone I have talked to has seen improvement, and I am
> >almost sure I have sean dyno prinouts proving some minor gains from the
> >filter alone.
> >
> >
> >
> >Peace Out,
> >Rhett
> >Rocco_crossing
> >'83 Rocco (DEAD!!) :-( Now what to do???
> >Buy a GTI!! Got an '83 for that too!!
> >
> >
> >
> >
> >
> >>From: Dan Smith <sad_rocc@yahoo.com>
> >>To: scirocco-l@scirocco.org
> >>Subject: RE: Autocross tips and tricks...
> >>Date: Tue, 10 Aug 2004 13:10:02 -0700 (PDT)
> >>
> >>A friend of mine flowed a paper and a gauze (K&N type) filter and the
> >>gauze actually flowed slightly WORSE than the paper. My guess
> is the oil
> >>provides a bit more resistance. Stick with paper. Along those
> lines, don't
> >>take out your air filter. The 1/1000th of a second you may
> possibly gain
> >>will promptly disappear as your engine fills with crap. Try practicing
> >>instead, it's free and will gain you a a ton more than those
> other mods.
> >>(not meant to be harsh).
> >>
> >>As for the TB, I would imagine they're designed that way for a
> reason. You
> >>may get better air flow, but you won't have additional fuel
> being fed in
> >>to go with that air. Try an A2 TB or if you really want, a
> Weber. Again,
> >>there's so much other, better stuff you can do.... Remove all seats but
> >>the drivers, a pretty quick and easy thing to do, and you'll
> probably get
> >>way more results than the other mods. Also, put the minimum
> amount of gas
> >>needed in your tank and if that's around 1/2 a tank, throw in a
> bottle of
> >>octane booster. Run Seafoam through your whole system and some Marvel
> >>Mystery oil to clean out debris.
> >>
> >>HTH,
> >>Dan
> >>
> >>Rhett Farnum <rocco_crossing@hotmail.com> wrote:
> >>I would go for the K&N or Airhog ASAP!! They do help! I have
> never heard
> >>of
> >>the screw in the TB before though it might be something to try.
> >>
> >>
> >>
> >>Peace Out,
> >>Rhett
> >>Rocco_crossing
> >>'83 Rocco (DEAD!!) :-( Now what to do???
> >>Buy a GTI!! Got an '83 for that too!!
> >>
> >>
> >>
> >>
> >>
> >> >From: "Bryan Rankin"
> >> >To: scirocco-l@scirocco.org, vwautox@yahoogroups.com
> >> >Subject: Autocross tips and tricks...
> >> >Date: Tue, 10 Aug 2004 01:18:53 -0400
> >> >
> >> >
> >> >I was at an autocross yesterday, and a guy with an Integra seen the
> >>brown
> >> >beast and was very excited, said he used to have an 81 like
> mine, but he
> >> >had a 1.9 Callaway Turbo swapped into it. He was telling me
> how I could
> >>be
> >> >gaining more power for autocross.
> >> >
> >> > He showed me that if i put a screw in the throttle linkage where the
> >> >small butterfly is attached to the big butterfly, you could
> open both at
> >> >once, getting more flow...this seems like a pretty good idea,
> but isn't
> >>it
> >> >the same thing as putting it full throttle, or would it be slightly
> >>quicker
> >> >than full throttle?
> >> >
> >> >
> >> > He also told me that I should take me airfilter out for autocrossing
> >> >because I would get ALOT more air flow, and there isn't a huge risk
> >>running
> >> >without an airfilter for autocross because there should be very little
> >> >debris. I'm very skeptical of that, and I did not try it...
> >> >
> >> >I didn't have anything to put in the linkage of the tb, so I
> was unable
> >>to
> >> >try that as well.
> >> >
> >> >
> >> >What do you guys think?
> >> >
> >> >Bryan
> >> >Fort McMurray, AB
> >> >81 Volkswagen Scirocco
> >> >
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