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Location:
Ballarat, Victoria
Registered:
March 2003
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Blow off valves
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Tue, 02 March 2004 08:15
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okay just a quicke....
whats all this 'type 1 blow off valve' and 'type 2 blow off vavle' stuff??
whats the difference between types?
thanks 
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I supported Toymods
Location:
Epping, Sydney
Registered:
May 2002
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Re: Blow off valves
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Tue, 02 March 2004 09:05
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the cheap type is vent to atmosphere
the expensive one is a plumb back
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Location:
Ballarat, Victoria
Registered:
March 2003
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Re: Blow off valves
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Tue, 02 March 2004 10:16
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so type 1 are usually shitty and atmo
and type 3 kinda things plumb back?
cheers man
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I supported Toymods
Location:
Perth
Registered:
May 2002
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Re: Blow off valves
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Tue, 02 March 2004 10:54
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It depends on who makes the BOV, I presume you're talking about the Turbosmart ones.
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Location:
Ballarat, Victoria
Registered:
March 2003
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Re: Blow off valves
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Tue, 02 March 2004 10:55
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no idea, just in general, i dont really know anything about 'em
cheers
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I supported Toymods
On probation
Location:
Brisbane, Queensland
Registered:
January 2003
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Re: Blow off valves
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Tue, 02 March 2004 11:45
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BOV TYPE I
Ideal and affordable for the small project. The Type I BOV is best suited to engines up to 1.5 litres in capacity, producing standard or mildly increased boost.
Adjustment via the set and forget system
(packing shims included)
Supplied with a 38mm weld-on adapter to suit stainless or steel piping
Supported by our Multi-Fit adapters
p/n: FG-BOV-001
VEE PORT
Features the unique variable exhaust port system resulting in superior venting of excess pressure, a popular choice for the street.
Adjustment via the unique Quick Wrist action
(no spanners required)
Supplied with a 38mm weld-on adapter to suit stainless or steel piping
Supported by our Multi-Fit adapters
p/n: FG-BOV-002VP
PLUMB BACK
For the serious enthusiast NOT wanting to be noticed, the Plumb back BOV allows all pressure to be vented back into the intake system. Supplied with a 24mm, 32mm or 38mm outlet to suit your application (please specify), refer to the adapter guide for specific model information.
Maximum flow without the noise
Adjustment via the unique Quick Wrist action
(no spanners required)
Supplied with a 38mm weld-on adapter to suit stainless or steel piping
Supported by our Multi-Fit adapters
p/n: FG-BOV-003PB-*
* 24=24mm outlet
32=32mm outlet
38=38mm outlet
DUAL PORT
Due to the ever-increasing demand, we now have a BOV that will vent to atmosphere and back into the air intake. Dual ports with sequential timing allow quieter operation during normal driving loads with the benefit of a Supersonic during race conditions.
Supplied with a universal blanking flange to reconfigure to Plumb back or atmospheric dump only
Adjustment via the unique Quick Wrist action
(no spanners required)
Supplied with a 38mm weld-on adapter to suit stainless or steel piping
Supported by our Multi-Fit adapters
p/n: FG-BOV-003DP
SUPERSONIC
For the serious racer wanting to be NOTICED. Widely used in both the show and race scene worldwide. Listen to what it sounds like.
Best suited to high performance applications
Adjustment via the unique Quick Wrist action
(no spanners required)
Supplied with a 38mm weld-on adapter to suit stainless or steel piping
Supported by our Multi-Fit adapters
Hi-Flow version available on request*
p/n: FG-BOV-003SS
MEGASONIC
This BOV is now the highest flowing in our range, out flowing most BOV’s available, ideal for the serious racer. It also caters for the show cars that wish to stand out from the crowd.
Best suited to high performance applications
Maximum flow and maximum noise
Adjustment via the unique Quick Wrist action
(no spanners required)
Supplied with a 38mm weld-on adapter to suit stainless or steel piping
Supported by our Multi-Fit adapters
Hi-Flow version available on request*
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Location:
Brisbane
Registered:
May 2002
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Re: Blow off valves
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Tue, 02 March 2004 23:02
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The type 1/type 2/type wank nonsense doesn't mean anything, it's just marketing guff. A type 1 BOV from manufacturer A won't necessarily resemble a type 1 BOV from manufacturer B.
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Location:
Parramatta
Registered:
July 2002
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Re: Blow off valves
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Wed, 03 March 2004 03:01
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also with some as said it can depend on the engine capcity and the boost levels that the bov is going to be dealing with
for example i now have a typ2 turbo smart bov its no good to me now its starting give me a boost leak because of the amount of pressure on the piston within the bov (its pushing it up realsing boost) this also has alot to do with its 2 yrs old and should be rebult but pfft
thats another thing after a certain amount of time the bov will need to rebult new spring and piston. i dont think it cost very much though.
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Location:
Terrigal
Registered:
May 2002
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Location:
Ballarat, Victoria
Registered:
March 2003
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Re: Blow off valves
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Wed, 03 March 2004 07:43
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ahhhh i see.
thanks everyone 
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