hi guys can you hear your after market dump valve /bov when you just revving the engine I cant hear any thing from my blitz valve just wondered if that's normal also if I rev the engine between 3000-4000 rpm I get pop n bang sound from the driver side exhaust only is that a misfire or sum thing on driver of engine .

did you pop bang start after fitting the valve or was it there before

Auto or manual ? By revving you mean driving or stand still ?

valve was already fitted / stand still revving manual car

You'll get very little at a stand still mate as the zed doesn't come straight on boost. Go for a drive and stick your foot down lol. What kind of BOVs are they and where are they fitted?

blitz

The nicest sound they make is when they hit the bottom of the wheelie bin! :wack: :rofl: ;)

Is it me....... or are they on the wrong pipes?

Is it me....... or are they on the wrong pipes?

[ATTACH=CONFIG]94483[/ATTACH]

 

No, I don't think it's you; your picture is the normal set up. I have seen them in some strange places before though.

Like here, instead of recirc valves.

this is phutumsch engine bay pic lets hope he can shed some light on the matter

[ATTACH=CONFIG]94485[/ATTACH][ATTACH=CONFIG]94486[/ATTACH]

Hmmmm the plot thickens...... anyone got BOV's fitted and where??

mine are fitted were the stock ones are

My interpretation is that they are just releasing pressure, so as long as you put them between the turbos and the plenum, then you're good.

Yep, that's right.

Vid

 

Keep it, Sounds awesome :D

Yeah it's the same loop, what pipe they are on is immaterial. As long as it's between the turbo outlet and throttle body.

blitz [ATTACH=CONFIG]94482[/ATTACH]

 

Your radiator will do its job 100% better with a fan shroud btw.

Ideal/ most efficient place is as close to the throttle bodies as possible,

 

If you think as the throttle closes the pressure is released through the dump valve, if the valve is further down the pipe what direction is the air now flowing? The wrong way lol

If there is one car that should never have BOVs fitted whilst still running the standard MAF and intake pipework setup, it is the 300ZX TT.

[video=youtube;vCHzBdo-hqo]

If there is one car that should never have BOVs fitted whilst still running the standard MAF and intake pipework setup, it is the 300ZX TT.

 

:bow:

Gotta love those ssqv's :-D

 

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after what noel says here am going to remove my ssqvs and fit my stock valves so the hks are now for sale