BOVs

[T3hPwn3r3r]

Now, as a few of you know, I've been debating between a CTS 3.6 and a Passat 2.0T.

The CTS gets horrible gas mileage and the interior doesn't even come close to comparing... so I'm getting the Passat. I don't wanna get a massive farty exhaust or anything or rice it out hard, but I want to try the APR tuning chip, as well as maybe make a few A/V mods.

Do you guys think it would be totally gay to get it slightly lowered? (not scraping the ground lowered, just a little bit)

Also, would installing a louder, different BOV cause any kind of problems? I know nothing about forced induction, but think it'd be neat to have that "PSH!" sound :P

[Wile E]

Now, as a few of you know, I've been debating between a CTS 3.6 and a Passat 2.0T.

The CTS gets horrible gas mileage and the interior doesn't even come close to comparing... so I'm getting the Passat. I don't wanna get a massive farty exhaust or anything or rice it out hard, but I want to try the APR tuning chip, as well as maybe make a few A/V mods.

Do you guys think it would be totally gay to get it slightly lowered? (not scraping the ground lowered, just a little bit)

Also, would installing a louder, different BOV cause any kind of problems? I know nothing about forced induction, but think it'd be neat to have that "PSH!" sound :P
Don't put a true BOV on that car. it is Mass Air, it needs a recirculating bypass valve, or else you risk the car stalling and/or trying to foul the plugs when you let off the gas, and the BOV releases the air.

The problem is, that air was already measured by the mass air meter, and if you have it just escape to the atmosphere, the car dumps the fuel into the engine, without the air ever making it there. A bypass valve routes that air to just after the mass air meter, so it's still in the system taking up space, and no new air can come thru the mass air meter.

That is one of the biggest rice mistakes to be made.

The only time it's OK to use a BOV on a mass air car is if it is specifically tuned for it (which doesn't actually work that well. It's very hit or miss), or you use a blow thru mass air meter (aka, the mass air meter is after the turbo). In the case of a blow thru sensor, it's ok to have a BOV prior to the sensor itself, so the air escapes before it is measured.

Aside from all of that, it won't do you any good on a near stock car. At near stock levels, it's a pure rice boy mod.

[T3hPwn3r3r]

I'm saying I'd get it specifically for the sound (I love that little woosh, I wouldn't get a loud one, just a subtle one. :P), but if it's such a grave riceboy mistake, I'll be sure to avoid it.

[RevengE]

no BOVs on that car. Get a different diverter valve.

[pepsi71ocean]

no BOV not unless your engine can handle the pressure difference.

[T3hPwn3r3r]

no BOVs on that car. Get a different diverter valve.

Would this also give me the airy sound I'm looking for?

[RevengE]

Would this also give me the airy sound I'm looking for?

yes.

[T3hPwn3r3r]

Fuckin' sweet!



T-pain

[Wile E]

ANother thing that will help give you the louder rice sound, is a CAI. The high flow airfilter and lack of sound deadening and/or factoiry muffling techniques lets the sound of the Bypass Valve out better.

[T3hPwn3r3r]

I don't want a rice sound, I just want to hear the turbo, y'naw?

[1Kurgan1]

A Cai won't give you a rice sound as that sound would be coming from the motor of the car not the pipes. Echo cannons (fart cannons or any other good name) are what cause them to sound like a nest of bees.

[Wile E]

I don't want a rice sound, I just want to hear the turbo, y'naw?

By rice sound, I mean the high-pitched whistle-like BOV sound. A BOV tuned for maximum performance doesn't make that sound. It more or less sounds like a wooosh of air, with no high-pitched whistle added. The whistle is added for no other reason than to sound "cool". (Tho it sounds like ass to me.) Therefore, considering it actually hurts BOV performance, it = rice.

[T3hPwn3r3r]

I don't want the high pitched whistle.

I just want a thick woosh of air.

[Wile E]

I don't want the high pitched whistle.

I just want a thick woosh of air.

Yeah, then the CAI will help some. It muffles the air being recirculated a lot less than a factory airbox does. Still not super loud. Super loud would require both a better Bypass Valve, and a lot more boost.

[T3hPwn3r3r]

Yeah, alright, cool.

CAI and new bypass valve.

I'm not going to rice it. Originally my plans were borderline rice, but I think I'm gonna keep it around stock power level besides the ECU tune and perhaps a new exhaust... just MAYBE.