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Old 02-28-2009, 11:53 AM   #1
Blow off valve installation help  
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I have Turbo xs type H-RFL blow off valve that I just bought. Does anyone have a picture or diagram on how to hook up the vacuum lines? I have no clue on how to hook them up or how they hook up. Thanks
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Old 07-21-2009, 08:17 PM   #2
Re: Blow off valve installation help  
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well there is no set way to hook blow off valve vacuum lines up. you just need to make sure your vacuum line from the turbo is going to a good vacuum source
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Old 08-01-2009, 02:03 AM   #3
Re: Blow off valve installation help  
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I was told to hook my vacuum line up to the small nipple on the top of the throttle body, Im not sure if this is correct or not, but thats what i was told. If im wrong please let me know
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Old 08-01-2009, 02:54 AM   #4
Re: Blow off valve installation help  
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Originally Posted by Shelby87Charger View Post
I was told to hook my vacuum line up to the small nipple on the top of the throttle body, Im not sure if this is correct or not, but thats what i was told. If im wrong please let me know
yea that will work.
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Old 08-01-2009, 10:10 AM   #5
Re: Blow off valve installation help  
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You have the BOV routing to your intake pipes first, right?
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Old 08-01-2009, 01:28 PM   #6
Re: Blow off valve installation help  
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scary

Quote:
Originally Posted by shadow71 View Post
I have Turbo xs type H-RFL blow off valve that I just bought. Does anyone have a picture or diagram on how to hook up the vacuum lines? I have no clue on how to hook them up or how they hook up. Thanks
if you had a clue as to how a BOV worked, you would have a clue as to how to hook one up

in the meantime, you could learn to google... something like:
"Turbo xs type H-RFL blow off valve installation instructions"
then you would find:

http://www.vividracing.com/catalog/p...boxsRFL525.pdf
TurboXS Type H RFL Blow Off Valve

you realize that 160$ bit of bling won't make your car go any faster, just be noisy-er?
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Old 08-01-2009, 08:05 PM   #7
Re: Blow off valve installation help  
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you can work off the nipple on the throttle body as a source for vacuum or I believe the brake booster also. if you car was a stock TI turbo, it has the hose on the stock bov already, just hook that one to your Turbo XS. i would think you have this mounted on a hard pipe before the Throttle body somewheres
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Old 08-01-2009, 09:57 PM   #8
Re: Blow off valve installation help  
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I hooked my bov to the nipple on my Daytona and the bov would cluck like a chicken- was told this was bad for the turbo so I teed into a straight from the manifold vacuum source and now it whooshes like it should.
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Old 08-01-2009, 10:42 PM   #9
Re: Blow off valve installation help  
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Quote:
Originally Posted by detobias View Post
scary



if you had a clue as to how a BOV worked, you would have a clue as to how to hook one up

in the meantime, you could learn to google... something like:
"Turbo xs type H-RFL blow off valve installation instructions"
then you would find:

http://www.vividracing.com/catalog/p...boxsRFL525.pdf
TurboXS Type H RFL Blow Off Valve

you realize that 160$ bit of bling won't make your car go any faster, just be noisy-er?
my rfl didn't cost 160. 50 shipped with pipe. ebay special. holds boost great. but relax. we were all there and needed some guidance. and no it wont make it faster. IT JUST SOUNDS FREAKING SWEET WHEN IT GOES OFF!!!!
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Old 08-05-2009, 12:34 AM   #10
Re: Blow off valve installation help  
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you realize that 160$ bit of bling won't make your car go any faster, just be noisy-er?
Well, actually it does make it go faster when the stock bov starts to leak like the goase.cx man at 10 or 11 psi....
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Old 08-05-2009, 07:50 AM   #11
Re: Blow off valve installation help  
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Well, actually it does make it go faster when the stock bov starts to leak like the goase.cx man at 10 or 11 psi....
LOL good point .. I picked up like two tenths when I REMOVED my leaking OE plastic BOV

I have a GenI DSM BOV to install;
I will prolly re-circ the outlet back into the intake tract, the way they are OE on TD and DSM (for a reason)..
functioning as a ByPass Valve (BPV) when plumbed that way

the functional purpose of a BOV/BPV is to reduce pressure pulses, caused by a suddenly closed TB on a blow-thru turbo system, from reaching your turbo comp wheel ..
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Old 08-05-2009, 08:35 AM   #12
Re: Blow off valve installation help  
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but the reason dsms vent to the intake system is different than tds. The TD cars vent there to keep them quiet. The DSM vents there to keep theMAF readings accurate. The location of the BOV on a dsm is behind the MAF, so the air has already been metered. Most people who have a DSM move the bov to before the maf if they do any intake mods.

Basically, a TD has no reason to vent to the intake other than to quiet it down. Why in the world would you want to do that????
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Old 08-05-2009, 10:41 AM   #13
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Most people who have a DSM move the bov to before the maf if they do any intake mods.
Seriously?
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Old 08-05-2009, 11:09 AM   #14
Re: Blow off valve installation help  
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i took my cruise control off and now i have the extra vac line from that. can i use that in my BOV
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Old 08-05-2009, 02:16 PM   #15
Re: Blow off valve installation help  
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Seriously?
Yep, I did it on mine too. MAF is inline just before the TB, and bov is about 9 inches before it.
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