Silvia Club of NSW

**** da police!!!! F^*ck da free world!!!

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got 15?

wtf is ur problem bro, why do they give a shit what mods ared one to the car,
you tell me what the hell is the diff with a car having 15" wheels and 18" wheels, absolutely nothing to cause trouble, just looks better

Well there is a bigger chance of aquaplaning

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Page 1 = July 2002... Page 2 = July 2003... lol

glad it got brought up though, the goat posts are hilarious

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As shit disolves in a bucket... So, are the days of our lives.

I am feeling much better now, thanks.

bro,
forget the wheels thing, lets talk about the BOV, first its better for the turbo
and second, the sound, bullshit noise pollution, there is no one out there, young and old that isnt amazed by the sound

The problem with bigger wheels is numerous. Firstly it can alter the speedo reading cos of the larger diameter wheels (so if it says your doing 60 you could really be doing 64km/h or something. Secondly, as keviny said is the aquaplaning thing. Larger wheels also affect your braking due to the increased weight of the tyre and wheel. Many wheel companies in the US no longer make wheels above 24 inches because of the danger of increased weight/inursure (I think thats how you spell it ) affecting braking distances

As for the cops/EPA having a problem with the BOV, its pretty a pretty lame excuse that its either an annoyance to the public or it emits pollution into the atmosphere. Both I think are rediculous excuses.

Just my LONG 2 cents

This can be avoided if you use a tyre diameter generator. My 17's are within 1mm of the standard 15" tyre diameter.



Inertia

But wouldn't the increased surface area compansate that??.....There are alot of tyre technologies to talk about..... where should we start??

And the thing i don't get about the BOV is, people say the the BOV emits pollution into the atmo. But the only part of it goes through is the turbo compressor. How can that produce that much polution??....wouldn't the pollution be caused by the car running richer with a BOV??....Confused

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yep, the pollution is caused by the richness while the BOV is venting.

Apart from the direct hydrocarbon and carbon monoxide emissions it's also bad for the cat, which gradually worsens emissions in general.

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The Engine Whisperer - fixer of things

Which means on that theory if you had a car running a factory MAP sensor instead of an afm, then you should be allowed to have an atmo venting BOV.

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S13 Silvia Tuning - The Definitive SR20 Modifying Site

possibly, but really anything that's not a factory part will be defectable.

the stock BOV setups also get around any problem of leaking, etc by being plumb back. If an atmo BOV starts leaking boost or vacuum you get dodgy mixtures.

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The Engine Whisperer - fixer of things

Alright Boys and Girls???....It's not the BOV the emits the Pollution!!

Thanks for setting the story straight DumHed

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no it doesn't directly emit pollution, but a car is designed and certified as a single unit.
Changing a part of the car that affects the emissions performance effectively causes the whole car not to comply to the design regulations.

Air that's been through the turbo can have oil mist in it, and will contain exhaust gases (from the EGR system) and crankcase ventilation fumes - both of which are meant to pass through the engine and out through the catalytic converter.

There are noise issues with the BOV too, and in the same way as emissions, the cars are tested for overall noise production. BOVs can raise the peak noise levels by quite a lot.

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The Engine Whisperer - fixer of things

Alot of Arrogence in this thread..
but good job to Jay and Dumhed

if you wanna have parts that aren't allowed by the rules and regulations.. well you have to pay the fines and shit get over it