benkei Posted November 26, 2012 Share Posted November 26, 2012 Since fitting my Blitz panel filter and Nur Spec R, I can no longer hear the standard BOV and my TT sounds like an N/A! Is there any way I can make it louder? Or will I need to install an aftermarket BOV? As it's a VVTi, it will need to recirc the air due to the MAF sensor on the intake, is that right? Link to comment Share on other sites More sharing options...
Nic Posted November 26, 2012 Share Posted November 26, 2012 As you say on a VVTi with MAF sensor it's best to recirculate the BOV so it doesn't screw up the fueling, it doesn't really matter whether it's stock or aftermarket if the BOV is recirculate you won't hear it either way. Link to comment Share on other sites More sharing options...
Geo Posted November 26, 2012 Share Posted November 26, 2012 take your sound deadening off the bonnet. Link to comment Share on other sites More sharing options...
Guigsy Posted November 26, 2012 Share Posted November 26, 2012 Your supposed to on a uk spec too as its maf. But many don't inc me. And the car runs fine Link to comment Share on other sites More sharing options...
benkei Posted November 26, 2012 Author Share Posted November 26, 2012 As you say on a VVTi with MAF sensor it's best to recirculate the BOV so it doesn't screw up the fueling, it doesn't really matter whether it's stock or aftermarket if the BOV is recirculate you won't hear it either way. I'd imagine it would make a little more noise, even recirced? take your sound deadening off the bonnet. I was planning to do this actually... Your supposed to on a uk spec too as its maf. But many don't inc me. And the car runs fine Apparently it's the gear changes where it can be noticed the most, and any other time you let off the throttle and re-apply. How do you run without a BOV? Do you still get the 'flutter' noise with sequanetial twins? Link to comment Share on other sites More sharing options...
Nic Posted November 26, 2012 Share Posted November 26, 2012 I have a recirculated HKS SSQV on the MR2, I can just about hear it open but it's mounted just behind my head when driving, I doubt on the Supra you'll hear much at all. If you remove the BOV altogether and block off the holes you'll hear the turbos flutter a little when you lift off. Link to comment Share on other sites More sharing options...
hodge Posted November 26, 2012 Share Posted November 26, 2012 take your sound deadening off the bonnet. Sell him the Thundakunt BOV you got from me. It's mega loud. Link to comment Share on other sites More sharing options...
benkei Posted November 26, 2012 Author Share Posted November 26, 2012 I have a recirculated HKS SSQV on the MR2, I can just about hear it open but it's mounted just behind my head when driving, I doubt on the Supra you'll hear much at all. If you remove the BOV altogether and block off the holes you'll hear the turbos flutter a little when you lift off. True actually, I had a similar set up in my MR2. What are the risks/problems of running without a BOV? Is there a guide on here? Link to comment Share on other sites More sharing options...
Guigsy Posted November 26, 2012 Share Posted November 26, 2012 I'm not sure about the stock system. It's a bit complex. My single doesn't run one atm. Not supposed to cause any harm. Buts it's a bit debateable apparently. Link to comment Share on other sites More sharing options...
benkei Posted November 26, 2012 Author Share Posted November 26, 2012 I've removed the sound deadening from the bonnet, will see of that helps for now! Link to comment Share on other sites More sharing options...
Swampy442 Posted November 26, 2012 Share Posted November 26, 2012 Since fitting my Blitz panel filter and Nur Spec R, I can no longer hear the standard BOV and my TT sounds like an N/A! Is there any way I can make it louder? Or will I need to install an aftermarket BOV? As it's a VVTi, it will need to recirc the air due to the MAF sensor on the intake, is that right? Or you could stop being a chav Link to comment Share on other sites More sharing options...
mattdavies Posted November 26, 2012 Share Posted November 26, 2012 Turbosmart do a 50/50 BOV so it atmospheric dumps half and re-circs the other half. They get used in the VAG scene as they have MAFs aswell Link to comment Share on other sites More sharing options...
spikedjack Posted November 27, 2012 Share Posted November 27, 2012 Open filter Link to comment Share on other sites More sharing options...
Westy Posted November 27, 2012 Share Posted November 27, 2012 Open filter Agreed...my car is BPU, has a loud exhaust and all the sound deadening in place and I can hear the BOV no bother! Link to comment Share on other sites More sharing options...
David P Posted November 27, 2012 Share Posted November 27, 2012 http://www.akamoto.co.uk/dump-valve.asp Link to comment Share on other sites More sharing options...
spikedjack Posted November 27, 2012 Share Posted November 27, 2012 Agreed...my car is BPU, has a loud exhaust and all the sound deadening in place and I can hear the BOV no bother! Pretty sure we have the same setups bud, and its very loud! Link to comment Share on other sites More sharing options...
benkei Posted November 27, 2012 Author Share Posted November 27, 2012 Maybe it will be louder when I go full BPU? More boost = more pressure = louder BOV? Link to comment Share on other sites More sharing options...
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