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Discussion Starter #1
hey guys, my mate has a 225 and wants a bov. I remember hearing probs with audis and porkers running bov's what is the favourite brand/type? Baileys? Or can you pretty much run anything?
cheers
 

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Technically BOV are not suitable for the 1.8 T engine but you can buy one which part recircs and part blows off which is the Forge Split-R valve...

I just bought one myself after having the Forge 007 divertor valve already - should get it installed next week .. :)

 

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Discussion Starter #3
What happens if you run a normal bov? overfuel, stall, ecu problem with metered air deficit? how loud is the semi re circ. my mates after a decent noise but nothing seriously loud. ive had a semi re circ before and it was pretty quiet and only produced a sound when really giving it some.
 

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Discussion Starter #5
right, thanks for that. i, going to run my forge on his tt this weekend and see what happens but im going to look out for a semi re circ for him. cheers for the info thats been a big help ;)
 

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I ran a twin piston Baileys on my A4 1.8TQ with Zero issues for 3 years.
 

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My turbo was stock up un till 3 weeks before it got stolen when I was running my Hybrid K04 but then the TT is a K04 to start with.

I would buy the Baileys fitting kit which will have the blanking plates to block off the old DV location allowing you to cut the TB intakes pipe to slot in the ally T-pipe and mount the BOV.




 

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was doing some poking around the forge website and found that I can get a forge split-r for $185 for 2001 tt 225 roadster... curious if I'm going to need some sort of fitting kit? I've heard a few people mention this, but wasnt sure... at $200 per fitting kit, I can see how this can easily (more than) double the price.

thanks!
 

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i appreciate that... hadn't thought of ebay as an option.
but... before I go ordering these items, Do I need a fitting kit? everything I see is re-routing the DV to the other side of the intercooler. I like this idea, but before spending $400, I'd like to make sure I like what I'm getting.
 

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forge splitter found cheaper @ TTstuff.com

was doing some poking around the forge website and found that I can get a forge split-r for $185 for 2001 tt 225 roadster... curious if I'm going to need some sort of fitting kit? I've heard a few people mention this, but wasnt sure... at $200 per fitting kit, I can see how this can easily (more than) double the price.

thanks!
Forge-Splitter-Combination DV/BOV-Polished







Quantity in Basket: None
Product Code: FMDVSPLTR-PL
Shipping Weight: 1.30 pounds

Price: $157.99

In Stock
Available for immediate delivery
The Splitter is a truly remarkable valve that gives a combination of blow off and recirculation valve operation all at the same time and has been specifically designed for the Audi/VW 1.8T.

Fits:
1999-2006 Audi TT 180
1999-2006 Audi TT 225
Quantity:
Forge-Splitter-Combination DV/BOV-Polished

The Splitter is a truly remarkable valve that gives a combination of blow off and recirculation valve operation all at the same time and has been specifically designed for the many VAG 1.8T applications. This means you get all the noise of the blow off valve whilst retaining the compatibility with the recirculation requirements of the engine management system. As a bonus we also offer the ability to convert the valve to recirculation only mode for those times when stealth running is required.

This valve uses a Copper and Zinc alloy piston which utilises new sealing technology along with a variable spring preload incorporating a ratchet type top adjuster that will allow for the positive and precise adjustment to match the valve to your engine. This is achieved by using a unique single, conical, progressive rate spring that can allow for the retention of boost pressure over a wide adjustment range. This unique spring design also allows for unrestricted piston travel and flow volume regardless of the amount of pre-load adjustment added to the spring. Other manufacturers valves using cylindrical springs with adjustable pre-load often experience restricted piston travel and a reduction in flow volume.

When Forge says their products are Engineered For Performance. Its not a catchy sales phrase, it's the truth and Forge proves it with every product they manufacture.

Fitting Instructions
Please Note: This valve requires installing the opposite way to the original Bosch Valve. i.e. the side pipe is fitted into the Turbo Intake Hose and the base pipe connects to the hose that runs to the boost side of the turbo.
click here

Bonus: Includes FREE 3 Day Shipping* and FREE Clamps!
*Free shipping special for the US and Puerto Rico only

Fits:
All Audi and VW 1.8T engines
All Audi and VW 2.7 Bi-Turbo engines
Porsche 911/996 turbo
Less then Ebay

Plus customer service is very good ask for JEFF if you have any questions let him know "BreTT" sent you and please let me know how you were treated as I have them as a recommended vendor in my website @ WhanAB Innovative Auto Design Parts - HOME

you can put it right where the diverter OEM one is justsome feel because it is back where the turbo is it is hot and use the other to move it to a cooler space and pre cold air as well:)
 

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thanks SO much guys!
I think I'll start with just the DV/BOV and in time, perhaps get the system which re-routes it to the other side of the intercooler.

just so i'm clear, this package comes with EVERYTHING I need, correct?

sorry to be a pain. :)
 

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@westv... maybe i'm losing my mind, or its been a loooong day at work. but what website is this? forgemotorsports.com is showing the price about $30 higher than what you show on this. let me know!
 

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price lower then forge

NEVERMIND... its been a long day. I see... ttstuff.com
Forge Motorsports as does every company have a MSRP what they would like you to sell it for but they allow you to sell it for less and buy direct from them but usually have a contract stating you can only go so low...... and that is why some offer free shipping as that saves money..... ONE other way is maybe a big buyer gets a big discount and that big buyer diverts the goods to you at an even better price then you can get direct so call themselves wholesalers Major companies call them not so nice but they do not know who to call them bad names.... others call it gray goods as it is a on going issue not black not white but gray................

IN, this case all is white and clean as the ebay price of $150.00 plus $15.00 for shipping is higher then TTstuff.com plus you have customer service...... even though Ebay is not a bad place to buy just know your prices......

L8R...... :)
 

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okay.. got it. TTstuff.com for a forge spitter dv/bov @ $157.99. I'm ordering tomorrow for sure. just a few more questions (since i FINALLY found someone to answer my questions).

1. I understand these come with different springs depending on how much boost your running. what should a (currently) stock TT 225 use? How much boost do you think an OEM tt has?

2. does it really sound similar to a BOV? I've heard different things and just want to know before being disappointed upon installation.

3. I understand there are different settings with this particular device. I keep hearing people refer to "clicks"... which I assume will make alot more sense once I get the part delivered. But I believe I want it to be set at about 50/50, correct? 50% atmospheric and 50% recirc.

thank you so much. i owe you for this.
 

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okay.. got it. TTstuff.com for a forge spitter dv/bov @ $157.99. I'm ordering tomorrow for sure. just a few more questions (since i FINALLY found someone to answer my questions).

1. I understand these come with different springs depending on how much boost your running. what should a (currently) stock TT 225 use? How much boost do you think an OEM tt has?

2. does it really sound similar to a BOV? I've heard different things and just want to know before being disappointed upon installation.

3. I understand there are different settings with this particular device. I keep hearing people refer to "clicks"... which I assume will make alot more sense once I get the part delivered. But I believe I want it to be set at about 50/50, correct? 50% atmospheric and 50% recirc.

thank you so much. i owe you for this.
sorry did not answer earlier psi rating for the basic 225 is around 17 boost the 180 is around 11 boost if you call Jeff at ttstuff he can advise what spring you want this has been the best price to date on this item and it will fit right where your stock diverter valve is back by the firewall and above the turbo

I personally have a DBOV by GFB stealth out of AU. I do not need a spring as it has a dial at top and I can just click it (turn it for desired blow off or air but it cost double......
 
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