Volvo 850 Made from 1993 to 1997, this Volvo line was available in both a wagon and a sedan, both with were graced with several trim levels.

How to Install BOV

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Old 03-18-2011, 09:54 PM
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Default How to Install BOV

I am EXTREMELY new to 5 cylinders. Where and how do I install a BOV on a 96 850 turbo. What about an intercooler? I searched for the BOV on here and didnt come up with anything! I know they apparently dont have one, and I know it shouldnt be upstream to MAF. Please let me know!
 
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Old 03-18-2011, 10:12 PM
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also where do I hook up a turbo timer too?
 
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Old 03-18-2011, 10:19 PM
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eurosport tuning has a BOV kit for sale. around 220$
if you buy a generic one, it normally goes onto the upper intercooler pipe ( drill a hole, insert BOV and seal) and you have to have machined a block off plate for the cars factory recirculation system ( not obligatory, but 99% of us do it) if you dont you probably wont get the full sound and your turbo might lose pressure there.
the car comes with an intercooler beside the rad.
 
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Old 03-18-2011, 10:25 PM
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How do I machine a backing plate? Where does it go? On the factory recirculator?

Also, where does the BOV vac line go?
 

Last edited by CoryJNason; 03-18-2011 at 10:34 PM.
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Old 03-18-2011, 10:38 PM
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There is also....
Code:
http://www.vivaperformance.com/products/BOV-Upgrade-and-Fitting-Kit-%252d-Piston-Style%2C-Mitsubishi-TD04HL-Turbos%2C-FMFK050.html
or
Code:
http://www.volvomotorsports.com/catalog2/product_info.php?cPath=26&products_id=129
or
Code:
http://www.volvomotorsports.com/catalog2/product_info.php?cPath=26&products_id=138
or if you have the spare cash
Code:
 http://www.ipdusa.com/Volvo-850/Performance/Performance-Intercooler/p-72-143-3308/

Just what I have bookmarked
 
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Old 03-18-2011, 10:52 PM
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the line goes to where the factory recirc valve goes on the manifold.
the blockoff plate is made to block the CBV (3 bolt)
 
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Old 03-24-2011, 12:28 AM
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can anyone show me a picture of the factory recirulator valve? On my aftermarket BOV it has two spots where it needs vacuum hoses. Where exactly do those go? Pictures by any chance? greatly appreciated!! Thanks.
 
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Old 03-24-2011, 10:23 AM
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i know 1 of those vaccume lines plugs into your manifold same place as the CBV, maybe your blowoff needs 2 vaccume lines. Find your cbv and backtrack the line to where it plugs into the manifold

your CBV has 1 vaccume line. and it looks like this
Heavy Duty Compressor Bypass Valve
 
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Old 03-25-2011, 02:10 PM
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Honestly, I would not get a BOV unless you have a manual. If your just after the sound your not going to get it going through the gears, automagics just dont play the same way.
 
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Old 03-25-2011, 09:12 PM
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Originally Posted by boxpin
Honestly, I would not get a BOV unless you have a manual. If your just after the sound your not going to get it going through the gears, automagics just dont play the same way.
I agree. A bypass valve is actually better anyway. It helps maintain boost response and lag. The nly time you would really hear a blowoff in an automatic is when you let off the gas. Kind of not worth it for just the sound
 
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Old 03-26-2011, 12:00 AM
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Here is a block off plate
 
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