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Old 7th April 2014, 03:07 PM   #1 (permalink)
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Atmospheric BOV's

I'm sure this has been asked before but has anyone had any issues running atmospheric bov's to their R35?
Mine has a Litcho stage 4 upgrade if that makes a difference.
Thanks in advance.
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Old 7th April 2014, 05:13 PM   #2 (permalink)
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been running them the past year and had no issues
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Old 7th April 2014, 05:33 PM   #3 (permalink)
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No problem at all, had forge atmospheric ones fitted at Litchfields on my previous stage 4 and they sound awesome
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Old 7th April 2014, 05:42 PM   #4 (permalink)
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No problem at all. I have the GFB ones on my stage 4 and they are fully adjustable for both valve spring tightness and recirculate / vent to atmosphere ratio.
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Old 7th April 2014, 07:02 PM   #5 (permalink)
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Running HKS BOV's and seen no difference at all.

Did Santa Pod 1/4 mile is roughly same although terminal up a bit since last tweaks. So 0-130 no change.
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Old 7th April 2014, 07:22 PM   #6 (permalink)
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Thanks guys, will be fitting mine tomorrow
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Old 7th April 2014, 09:38 PM   #7 (permalink)
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What sort of price are we looking at for a couple of dump valves then ?

I had them on my Esprit V8 and Noble M12 so I'm thinking of the same for my GTR.
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Old 7th April 2014, 09:40 PM   #8 (permalink)
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Quote:
Originally Posted by EAndy View Post
Running HKS BOV's and seen no difference at all.

Did Santa Pod 1/4 mile is roughly same although terminal up a bit since last tweaks. So 0-130 no change.
these the ones we sent you?
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Old 7th April 2014, 09:46 PM   #9 (permalink)
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Quote:
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What sort of price are we looking at for a couple of dump valves then ?

I had them on my Esprit V8 and Noble M12 so I'm thinking of the same for my GTR.
£349 Shipped
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Old 7th April 2014, 09:52 PM   #10 (permalink)
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£349 Shipped
Thank you.
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Old 7th April 2014, 09:54 PM   #11 (permalink)
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Will be cheaper actually than that, as im about to pop up a group buy

i believe its the cheapest available anywhere.


edit: just placed this in trade as we have alot of 35 items arriving from intercooler kits to all sorts.

https://www.gtr.co.uk/forum/253833-r3...ml#post2669953
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Old 7th April 2014, 10:11 PM   #12 (permalink)
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these the ones we sent you?
Yep, dead easy to fit bit awkward removing the hoses from the OEM valves but quickly found simple way to move hose along.

I'm running them in atmospheric mode.
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Old 7th April 2014, 10:14 PM   #13 (permalink)
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thats cool Andy

hope you enjoying them
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Old 7th April 2014, 11:11 PM   #14 (permalink)
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Quote:
Originally Posted by matty32 View Post
Will be cheaper actually than that, as im about to pop up a group buy

i believe its the cheapest available anywhere.


edit: just placed this in trade as we have alot of 35 items arriving from intercooler kits to all sorts.

https://www.gtr.co.uk/forum/253833-r3...ml#post2669953
Are these the atmospheric ones? If so, what is the noise like compared to GFB ones?
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Old 8th April 2014, 08:08 AM   #15 (permalink)
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hi yes they are, ive not heard the GFB ones to be totally honest buddy

its hard to explain the sound of any Bov.

maybe andy can give a better description - he seems happy
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Old 8th April 2014, 08:41 AM   #16 (permalink)
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Fitted the Turbosmart Bov's last night.(Bought through a vendor on eBay and saved £150) I'm still playing with the settings, at the moment I have them slightly open so the make a nice sound under heavier load.
No problems with idle issues like some have experienced with other brands but im sure brands like HKS or Greddy will be fine.
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Old 8th April 2014, 09:11 AM   #17 (permalink)
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Does anyone know if Air is metered before it enters the engine in the GTR like a conventional MAF or metered in the engine like a MAP sensor would pick up.

If air is measured before it enters the engine then it wont be able to account for the air that's vented out of the BOV and not recirculated, hence running a little rich and possibly rough idle.

It was the same for UK Supras VS Jap, UK's had MAF and Jap had Map sensor, Jap's were fine with BOV but UK ones didn't run well on them.

Donbona - I suspect yours is fine as your not completely venting to atmosphere judging by what you said.
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Old 9th April 2014, 12:20 PM   #18 (permalink)
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enjoyful you just getting you post count up!?
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Old 9th April 2014, 12:21 PM   #19 (permalink)
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Yes, all his posts say the same thing.
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Old 9th April 2014, 12:24 PM   #20 (permalink)
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exactly I did see a 'niiiicccceeeee' somewhere
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