i just put a blitz super sound bov in my civic and my vacuum dropped drasticly from 18-10. i checked for leaks and nothing. any one else had this problem with a new bov or know what might be causing this please reply.

THANKS

 

It has to be leaking. Look very carefully. Maybe spray something around the bov and connections to see if the idle changes. Did the idle change at all?
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a lil and then i got a smaller id hose to see if a stronger vacuum help but it really didn't

 

should i try to put some silicon between the gasket and the flange to see if it helps? or would it not make a difference in vacuum?

 

Maybe, it has to be leaking somewhere around the bov I'm sure. I'm not familiar with that bov so I'm not real sure what to do. Make sure it is tight for starters.
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ok thanks . yea its tight. i had a 1g and it worked good til it cracked so i got this one and now i gotta work out the bugs heeh

 

1 more thing! on the d15 is there only on vacuum line? or is there more then 1

 

Huh? There are several vac lines. Which one did you use? I'm guessing the one that goes to the fuel pressure regulator?
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yea! is there a more effective one to use for just the bov? at the speed shop out here they said that the fpr line is the only one to use?

 

They are all basicaly the same. Some are just a bit bigger than others. I don't think there is a wrong or a right one. I was just asking which one to make sure you actualy had a vac line. :P
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