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-   -   Stupid n00b question part 2 (https://www.homemadeturbo.com/forced-induction-7/stupid-n00b-question-part-2-a-769/)

Chacko 01-06-2003 08:23 PM

Stupid n00b question part 2
 
This one has to do with the BOV where the hell does it go on the setup ? On the intake charge pipe? and what exactly do they do? I know it relieves pressure from in the piping itself, but is it before or after the turbo? Does it prevent from over boosting into engine or into turbo?

Thanks

beerbongskickass 01-06-2003 08:38 PM

Re:Stupid n00b question part 2
 
A BOV goes a little before the intake. When you let off the gas and the throttle bodie shuts it releases all that air that has nowhere to go. If you don't have one you can blow your turbo up.

Chacko 01-06-2003 09:32 PM

Re:Stupid n00b question part 2
 
Okay, so using a customized charge pipe for intake, do I need to drill and tap it to fit bolt holes for a BOV?

scttydb411 01-06-2003 10:33 PM

Re:Stupid n00b question part 2
 
does it really matter where you mount it? i saw a kit with it mounted to the fmic. the pressure just needs to be released before it is able to hit back at the turbo when the throttle plate closes.

Chacko 01-06-2003 10:51 PM

Re:Stupid n00b question part 2
 
One last question what do you connect the vacuum line they come with to?

89 CRX Si 01-06-2003 11:28 PM

Re:Stupid n00b question part 2
 
connect the vacume line to your intake manifodl just T off iot to somewhere.

I think keeping closest to T body is the best because itll relieve that air fastest.

fatrhino 01-07-2003 05:56 PM

Re:Stupid n00b question part 2
 
yes the closer to the throttle body the better, you dont want air near the TB to have to come back through the pipe to reah the BOV

accordepicenter 01-08-2003 01:54 PM

Re:Stupid n00b question part 2
 
The closer it is to the turbo the more chances of compressor surge you get... the boost regulation wont be as smooth

TurboEF9 01-08-2003 07:07 PM

Re:Stupid n00b question part 2
 
Question.. The BOV releases pressure the builds up. Is it set at a certain psi? Does this PSI match your wastegate as to not release your boost early?

Also.. What keeps it open once it reaches this boost pressure that is "too much"? Basically, how does it know what is "too much"?

HMT-Admin 01-08-2003 07:33 PM

Re:Stupid n00b question part 2
 
The BOV is operated by vacuum, when it sees a certain valve (I.E 22in 25in) of vacuum the valve will open.

When the throttle is shut, is when the engine will build vacuum.

Jeff


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