300ZX (Z32) Performance / Technical Discussions related to Turbo charging, Supercharging, Engine, ECU, exhaust, and etc. performance enhancements and Techical related.

Yet, another question!!

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Old Jan 14, 2005 | 02:19 AM
  #1  
tt300z's Avatar
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Yet, another question!!

my question is...does the Z have stock BOV? because if so i am thinking that might be my boost problem...but if not then i am thinking that it is my wastegates..any input on that?

:rofl: and no i am not laughing this is my going CRAZY smiley
Old Jan 14, 2005 | 10:26 AM
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heres a little info
Originally Posted by WhtFairLadyZ
The Z32 comes factory w a system kinda similar to a BOV, but it is called an air recirculation valve. It helps release the pressure of the air being pumped through the intake pipes. When at speed, your throttlers are open being forced with air from the turbos. If you suddely take your foot off the pedal the turbos DO NOT stop spoolin immediately. The air pressure will build and cause a surge that may return to your turbo housing. Just like detonation, it can prematurly wear out parts or completely destroy your turbos.

That car has the HKS SSQV BOVs (alot of jargon), all the owner did was remove the factory units and replaced them with those. Where the factory units may cause the 'goose honk' sound, these will give the noise any HONDA or N/A guy fears...the whistle of a BOV. As for the placement, WHERE ELSE WOULD U PUT THEM! There isnt any room to put them any where else.
Old Jan 14, 2005 | 11:15 AM
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oh i see, well where is the recerculation vavles?
Old Jan 14, 2005 | 04:34 PM
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They're right after the two intercoolers. You have in the inlet into the intercoolers, from the turbos, then the piping leading from the intercoolers into the upper plenum, that is where the Recirculation valves are.

That is about the only place to put after market BOVs (Blow-Off Valves), unless of course, you get custom hard piping made, or HKS offers a great package for about $300. I think Z1 or JWT offers a combination kit consisting of the HKS Hard Piping kit, and HKS Super-Suquential Blow-Off Valves, all for about $850. Which if you add it all up, your saving quite a pretty penny.

Looks awesome under the hood too
Old Jan 16, 2005 | 08:27 PM
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They're located in fron of the AC condenser. They sit under the air filter box.
Old Jan 20, 2005 | 01:25 AM
  #6  
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so can i get to them through the front panel between the headlights or am i going to have to remove my bumper? i think that was dumb to ask i am sure that i am going to have to remove the bumper..nothing on the z is as easy as it sounds
Old Jan 20, 2005 | 05:21 PM
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Yea, you will have to remove the front fascia.
Old Jan 21, 2005 | 04:07 AM
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oh ok :woohoo: sounds like fun..haha
Old Jan 21, 2005 | 09:27 PM
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Removing the fascia isn't as bad as it looks. I'm thinking that putting it back on is going to be a bit more difficult.
Old Jan 22, 2005 | 06:07 AM
  #10  
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oh i know i have already done it a few times that is why i am saying it will be fun...haha



:chug: oh and im sorry but everytime i see this chug icon i laugh inside because to me it looks like the smiley is drinking a quart of oil
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