BOV installation

All technical questions and answers regarding starions, being modifications to maintenance.
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colezy91
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BOV installation

Post by colezy91 »

hey all,

this is a bit of a noob question but i got given a BOV from a mate so i can put it on my ja, but the only thing is i have no idea what the hell im doing..

the question im asking is can i install it onto the stock piping??? and if so could some one give me some help on how to do so??

all help would be great..

cheers hayden...
its all fun and games till the cops show up... lol

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JD_Stazza_Brendan
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Post by JD_Stazza_Brendan »

buy a spare crossover pipe from someone on the forum. should cost stuff all.

see where the bov will fit over top of the valve cover, then get pipe welded onto spare crossover pipe (depends on BOV but usually 25-38mm. Exhaust shop should do it cheap)
T a vacuum line from the last port off the throttle body (closest to firewall) to the BOV. If its adjustable, keep it fairly tight to prevent leaking on idle.

waits for someone to shoot my procedure down rofl
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Alspos
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Post by Alspos »

Nah...you got it about right.
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WANTSOM
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Post by WANTSOM »

C'mon Al, take a pot shot anyway just for fun LOL

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colezy91
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Post by colezy91 »

ok sweet, and yea its an adjustable BOV... ok thnks for that cause i talked to my mate bout it and he was getting so technical and confused the shit out of me...

cheers for that guys...

now are any of you happen to be selling cross over pipe?? lol
its all fun and games till the cops show up... lol

rides at the moment:
97 mirage
82 starion
previous rides::
AC gsr cordia
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Vulpes
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Post by Vulpes »

saw this on ebay, maybe it will help. obvioulsy this guy has put a bov on a standard crossover pipe.

Cheers
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OLD FART
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Post by OLD FART »

now are any of you happen to be selling cross over pipe?? lol[/quote]
I have one with a Bosch bov if you want it :D
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colezy91
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Post by colezy91 »

yea thats the foto that i saw that made me ask the question.. lol
its all fun and games till the cops show up... lol

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Station
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Post by Station »

Here!

Image

This was a standard pipe. Maybe Europe thing???
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Alspos
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Post by Alspos »

Not a Europe thing, a later type injection with intercooler type thing. Same principle if it's an early injection system. Just be careful when welding, the pipe is fairly thin and if you are not careful you will make more holes than you will need.
JD_Stazza_Brendan
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Post by JD_Stazza_Brendan »

Thats why i originally posted about buying a second one.

Incase the welding stuffs up.
And if the Police ping you for it.

Can throw the stock one back on.
-JA Starion with JD bits , Forged engine, Heaps of mods (parked up)
-BFII XR6 Turbo Ute , Here comes 400hp for 2k :p
-77 Mazda 323 drag car. 13bt rotary project.

Yes i have too many toys.
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Post by docile »

I personally wouldn't install a BOV.

There have been hundreds of people who have datalog'd the difference on the track and in most cases the car was always slower with the BOV then without it.

The compressor has to surge really badly for their to be a positive difference in fitting a BOV (and a small BOV at that).

You are essentially throwing away all that compressed air you used your exhaust gas to turn and compress.

Even the international rally cars are now regulated to how big a "boost tank" they can fit (inbetween the IM and the intercooler outlet) because of the positive difference it makes to the overall cars off boost performace.
Adriano
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Post by Adriano »

I would have to agree, bov's are emmission devices designed for AFM cars. Your car can only run worse with one fitted.
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Post by redzone »

having personally destroyed a perfectly good turbo due to running 20psi and no bov, i think they're a good idea..
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iXNAY
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Post by iXNAY »

id assume 80% of people would also want it for the sound factor alone!

cant you just plumb it back to your turbo inlet to not be wasting compressed air?
SR20 powered starion what have I done..... :P
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