JBFG Member 19 Member For: 14y 3m 21d Gender: Male Posted 29/12/11 12:44 AM Share Posted 29/12/11 12:44 AM The intake I have in now gives the pchhhh effect..I'm after the flutter or tu tu tu tu sound however you choose to say. Will putting on that bov not achive what I'm after? Cheers. Link to comment https://www.fordxr6turbo.com/forum/topic/75017-is-it-best-to-have-bov-loose-or-tight/page/4/#findComment-1174684 Share on other sites More sharing options...
Gasman Ford Nub Member 412 Member For: 14y 2m 4d Gender: Male Location: Gold Coast Posted 29/12/11 01:38 AM Share Posted 29/12/11 01:38 AM (edited) I have the stock Bosch item and a Growler CIA and get heaps of flutter. Also running more than stock boost helps. Edited 29/12/11 01:39 AM by Gasman Link to comment https://www.fordxr6turbo.com/forum/topic/75017-is-it-best-to-have-bov-loose-or-tight/page/4/#findComment-1174698 Share on other sites More sharing options...
Dillz Three pedals are better then two.. Donating Members 15,637 Member For: 18y 17d Gender: Male Location: Melbourne Posted 29/12/11 02:16 AM Share Posted 29/12/11 02:16 AM The intake I have in now gives the pchhhh effect..I'm after the flutter or tu tu tu tu sound however you choose to say. Will putting on that bov not achive what I'm after?Cheers.No it won't, for that sound you need to remove the bov or block it up. Link to comment https://www.fordxr6turbo.com/forum/topic/75017-is-it-best-to-have-bov-loose-or-tight/page/4/#findComment-1174709 Share on other sites More sharing options...
JBFG Member 19 Member For: 14y 3m 21d Gender: Male Posted 29/12/11 05:05 AM Share Posted 29/12/11 05:05 AM Ok thanks guys. I herd if you blockIt up it can fck the turbo...? Link to comment https://www.fordxr6turbo.com/forum/topic/75017-is-it-best-to-have-bov-loose-or-tight/page/4/#findComment-1174792 Share on other sites More sharing options...
1600dave Donating Members 872 Member For: 14y 5m 2d Posted 29/12/11 05:25 AM Share Posted 29/12/11 05:25 AM (edited) I have a turbosmart kompact, half vented, half plumb back.Depending on how I drive I get both turbo flutter and bov venting psssch sound.If you just want flutter do as Dillz said, and no the turbo will be fine. Many people have done it. Edited 29/12/11 05:26 AM by 1600dave Link to comment https://www.fordxr6turbo.com/forum/topic/75017-is-it-best-to-have-bov-loose-or-tight/page/4/#findComment-1174796 Share on other sites More sharing options...
getuted Member 34 Member For: 16y 3d Gender: Male Location: brisbane Posted 13/01/12 07:59 AM Share Posted 13/01/12 07:59 AM no the turbo will not be fine, it won't happen straight away but it will eventually fail. the "flutter" is compressor surge, which generates excessive amounts of thrust loading (back and forth movement) which will destroy the thrust bearings surfaces in the turbo and eventually oil seals. We have anti surge valves fitted to all the APU engines on the aircraft at work, basically they are electronically controlled pneumatically operated BOV's to stop the flutter so the jet engines don't crap out as often. These engines are made by Garrett and have similar bearing, compressors and turbines to our turbos, but hey a replacement turbo is only 2000-3500 bucks so why not wreck it. Link to comment https://www.fordxr6turbo.com/forum/topic/75017-is-it-best-to-have-bov-loose-or-tight/page/4/#findComment-1180376 Share on other sites More sharing options...
Dillz Three pedals are better then two.. Donating Members 15,637 Member For: 18y 17d Gender: Male Location: Melbourne Posted 13/01/12 08:05 AM Share Posted 13/01/12 08:05 AM In the 4+ years I've been here I can't think of one person that has stuffed a turbo solely because of compressor surge.In theory it's bad but in reality it very rarely if ever happens on these cars. I think JET engines run a tiny bit more boost then us too.. Link to comment https://www.fordxr6turbo.com/forum/topic/75017-is-it-best-to-have-bov-loose-or-tight/page/4/#findComment-1180384 Share on other sites More sharing options...
getuted Member 34 Member For: 16y 3d Gender: Male Location: brisbane Posted 13/01/12 10:14 AM Share Posted 13/01/12 10:14 AM I stuffed a GT3082r on my s14 in 9 months running it without a BOV with 16 pound of boost. I tried getting it repaired / replaced under warranty which wasn't honoured because it was recommended to me to have a BOV fitted when I had the turbo installed, so I priced up getting it rebuilt but it was $150 cheaper than a new turbo go figure? after having the car off the road for 7 weeks while I saved cash for a new turbo I fitted a turbosmart type 2 bov and the new turbo lasted 145000km and was still boosting strong when I sold the car. as for jet engine compressor discharge pressure in a typical 737-400 APU its hovers around 28 psi depending on air temp, humidity and fuel density, less then some street cars. Link to comment https://www.fordxr6turbo.com/forum/topic/75017-is-it-best-to-have-bov-loose-or-tight/page/4/#findComment-1180490 Share on other sites More sharing options...
getuted Member 34 Member For: 16y 3d Gender: Male Location: brisbane Posted 13/01/12 10:22 AM Share Posted 13/01/12 10:22 AM ps not trying to start a slinging match I'm just passing on my knowledge because I've found that almost everyone I've spoken to about it don't actually know whats happening when they here the flutter noise. Link to comment https://www.fordxr6turbo.com/forum/topic/75017-is-it-best-to-have-bov-loose-or-tight/page/4/#findComment-1180493 Share on other sites More sharing options...
Dillz Three pedals are better then two.. Donating Members 15,637 Member For: 18y 17d Gender: Male Location: Melbourne Posted 13/01/12 10:27 AM Share Posted 13/01/12 10:27 AM Most people on here do and aren't fazed that much. Link to comment https://www.fordxr6turbo.com/forum/topic/75017-is-it-best-to-have-bov-loose-or-tight/page/4/#findComment-1180497 Share on other sites More sharing options...
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