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Autocross tips and tricks...
See the TT site. Dyno Tests | Open Intake v. Stock Air Box. Shows a loss
in both HP and torque with the open intake. (A full race engine would
probably benefit from the open intake.) There was a write-up on this that
gave more details. I thought they reported a very slight gain from a filter
set up with greater flow capacity, but it was not the first thing to buy
when looking for more power. IIRC they noted that there was a lot more
noise from the engine and as a result there were a lot of people who
reported that they could "really feel a big increase in power" after
removing the air cleaner.
Chris
At 03:24 PM 08/10/2004 -0500, Rhett Farnum wrote:
>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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