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Blow off valve....for non turbo 

 

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 Post subject: Blow off valve....for non turbo
Posted: Mon Feb 28, 2005 9:51 am 
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Ok as the topic states..............do these exist and if so were can i get one from. And no its not for my car.
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Posted: Mon Feb 28, 2005 9:56 am 
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no you can't, blow off valves are for forced induction cars only.

 

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Posted: Mon Feb 28, 2005 10:04 am 
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Absolutely no need.

BOV simply bypasses air out that would otherwise be forced into the engine, causing it to surge, splutter, stall at idle. They are open with vacuum, shut with 0hg vac/+boost.

Basically, you could plumb one up but it wouldnt actually do anything - it'd probably suck air IN at idle instead of bleeding air OUT.

 

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Posted: Mon Feb 28, 2005 10:10 am 
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If its just for the wank factor, you can get an electronic show off vlave which sounds like a real one. But anyone that would put that on their car is a...

This is only my second post here so I think I better let someone else finish that off :wink:

 

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Posted: Mon Feb 28, 2005 10:17 am 
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If we were to put one in, we would run the gases that get blown out and plumb it back into the intake. Just want the sound they make
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Posted: Mon Feb 28, 2005 10:26 am 
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Bluexr6 wrote:
If we were to put one in, we would run the gases that get blown out and plumb it back into the intake. Just want the sound they make


Yeah, see that's the thing. Without a supercharger (turbos are simply exhaust-driven superchargers) there is no "additional" air in the intake plumbing. As such, there would never be anything blown out as the intake will never go above atmospheric pressure.

That is the only time a BOV makes noise, when it opens and the compressed air in the intake is forced out through the valve (as the throttle body is closing at the same time).

 

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Posted: Mon Feb 28, 2005 10:42 am 
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Quote:
If its just for the wank factor, you can get an electronic show off vlave which sounds like a real one



Were can I get one of these??
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Posted: Mon Feb 28, 2005 11:01 am 
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Any ricer shop - probably autobahn etc. worth a look on ebay, tends to be a haven for these sorts of thing.

 

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Posted: Mon Feb 28, 2005 11:17 am 
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Bluexr6 wrote:
Quote:
If its just for the wank factor, you can get an electronic show off vlave which sounds like a real one



Were can I get one of these??


Dont do it. The s**t you'll cop is not worth it.

 

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Posted: Mon Feb 28, 2005 11:23 am 
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Its not for my car. I would never put one on unless i had the blower to go with it. Its for a mate, and all we want to do is experiment with it. Thats it, if it becomes to much then we would take it off. Its for a Subaru RX
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Posted: Mon Feb 28, 2005 12:11 pm 
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If people can pick the difference then you will be the laughing stock of the nation. Are you still up for it?
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Posted: Mon Feb 28, 2005 2:30 pm 
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And they will.

 

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Posted: Mon Feb 28, 2005 3:14 pm 
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Last edited by blackjack_original on Fri Jun 06, 2014 2:12 pm, edited 1 time in total.

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Posted: Mon Feb 28, 2005 3:26 pm 
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Na, its in a skyline non turbo, I wouldn't buy a commodore. its going in the bin in place of a 1JZ or 2JZ. Its a good motor, its done 350 000kms and still does a 15.9 near stock. You may be wondering why I bothered testing it, but I want to know the before and after times with the engine conversion. I'm bored with all the RB20 and RB25 conversions. The toyota engines are heaps better and cheaper. Turbo ford I6's kick a*** too.

 

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Posted: Mon Feb 28, 2005 3:27 pm 
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For your mate? experimenting? :roll: dont do it, if you want to be called a Ricer, among other foul, objectionable language, tell your mate he is a F...head. Cant afford the WRX, so wants to be like one, bet he has taken off the RX badge, and put a WRX one on, this is the stuff of 10 yr old wannabes. Go to any aftermarket parts mob, they cater for all sorts of morons these days.
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