R34 Gtt Stock Bov Question

[agags333]

Hey guys,

New to the Skyline scene

i have 2 quick questions for your neo rb25det Gurus

1) I was told that by blocking the little hole on the inside of the stock BOV that it will increase performance and induce a louder spool and release effect.

Is this true or false

2) What does that lttle hole do, im no expert but it looks like some sort of pressure regulator or something,,

Please see attached.

Thanks Gents.

[scotty nm35]

It bypasses some air constantly, improving the throttle roll off by making it smoother.

[agags333]

Ok thanks

Nice breif reply there

Anyone care to elaborate? ( on both questions )

[scotty nm35]

What more is there to say? Its a simple air valve.

Tap an m5 thread into the hole, loctite a grub screw in there and try it out. If you dont like the way it drives, remove the grub screw.

How it feels on throttle closing will change depending on the tune. Boost may raise a little with no bleeding but as for gains, perhaps at 20+psi?

[agags333]

Cheers m8

[Dose Pipe Sutututu]

1) I was told that by blocking the little hole on the inside of the stock BOV that it will increase performance and induce a louder spool and release effect.

Is this true or false

False, who ever told you that probably read that rubbish off nissansilvia. On throttle the BOV will shut

2) What does that lttle hole do, im no expert but it looks like some sort of pressure regulator or something,,

All it does as scotty nm35 said is bypass air, it aids in making the piston of the BOV move up and down more gently improving driveability.

If you're car is stock, or running the stock turbo, stock boost etc.. don't bother doing anything to it. People say these BOVs leak, I ran 1.4bar through my old car and the BOV held it fine, although I ended up blanking the BOV off totally LOL

[scotty nm35]

The hole is what leaks, it constantly bleeds air back to the turbo intake. Try blowing through it, you will feel it coming through the outlet.

[agags333]

Is this "Leak" supposed to be there? or are you guys talking about 2 different kinds of leak

[wolverine]

It recirculates air back into the intake post AFM. So leaking is probably not the best word to describe what it is doing.

Leave it alone, drive be happy OR do what Scotty said by tapping and installing a grub screw. Either way it will make two parts of bugger all difference to performance.

[The Mafia]

it is there for a reason. Nissan put it there after spending millions in research.

I do not know why the first thing people have to f**k with is the BOV.

Leave the BOV alone. Get yourself a panel filter and an exhaust, and eventually a front mount intercooler.

"Blocking a hole" isn't going to magically get you some horsepower and make the car run better otherwise nissan would have done it.

[Dose Pipe Sutututu]

it's all about the magic killawasps

[GTSBoy]

At the most, all I would do to it if I was running high enough boost to be worried about how much air is going round and round, is make it smaller.

[agags333]

@ the Mafia

Totally agree bro. was thinking in that direction, my car is completely stock fresh import and i wouldnt want to f**k with it at all

Cheers

[Dose Pipe Sutututu]

@ the Mafia

Totally agree bro. was thinking in that direction, my car is completely stock fresh import and i wouldnt want to f**k with it at all

Cheers

Best mod you can do, put an full turbo back exhaust on it, then a FMIC, then a boost controller, then be happy with it.... till you get silly......then pour stupid amounts of money into it... then once you regain some form of sanity you sell it.... once you miss it, you'll buy another one and it all starts again till your partner tells you off

[bubba]

^^ this guy knows.

[nhan tony]

Lol at johnnilicte post. So true

[agags333]

haha Brilliant.