brians25 Posted February 15, 2008 Share Posted February 15, 2008 well thankfully it wasn't the turbo's or the intercooler, it was my blitz dump valve passing air whilst the car is on boost from about 3k upwards , why it was doing this i do not know, i have stripped it down and all looks fine inside it, the only thing i can think of is that the spring has become weak, anyone got any ideas what caused it to do this as it was working fine for the last 8 months Quote Link to comment Share on other sites More sharing options...
Whitesupraboy2 Posted February 15, 2008 Share Posted February 15, 2008 I had this on my stock one, so i just replaced it with another stock one....so your not alone! Quote Link to comment Share on other sites More sharing options...
miko_supra Posted February 15, 2008 Share Posted February 15, 2008 does it have an adjustment screw? i know that on some bov's you can adjust the spring tension Quote Link to comment Share on other sites More sharing options...
tango Posted April 6, 2008 Share Posted April 6, 2008 how much for the stock one? Quote Link to comment Share on other sites More sharing options...
Suprash Posted April 6, 2008 Share Posted April 6, 2008 how much for the stock one? If you need one, as I too want to input some forum love like others have recently, just P+P once I have dug it out of the garage..... Quote Link to comment Share on other sites More sharing options...
imi Posted April 6, 2008 Share Posted April 6, 2008 well thankfully it wasn't the turbo's or the intercooler, it was my blitz dump valve passing air whilst the car is on boost from about 3k upwards , why it was doing this i do not know, i have stripped it down and all looks fine inside it, the only thing i can think of is that the spring has become weak, anyone got any ideas what caused it to do this as it was working fine for the last 8 months Did this have any negative impact on performance, have you noticed any improvements since changing it? imi Quote Link to comment Share on other sites More sharing options...
brians25 Posted April 7, 2008 Author Share Posted April 7, 2008 not by a considerable amount but by a good 20bhp or so, still messing with different spring rates in the bov just now to try an get it sealing the boost proper, but looking like i'll just have to put the stock bov back on full time Quote Link to comment Share on other sites More sharing options...
jazz1 Posted April 7, 2008 Share Posted April 7, 2008 i know the blitz bov has two types and one has a very weak spring rate Quote Link to comment Share on other sites More sharing options...
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