BOV location - Forums at Modded Mustangs
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post #1 of 14 Old April 25th, 2016, 08:54 PM Thread Starter
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BOV location

In my build thread I asked where the BOV location should be on my car.

I'm at the stage of just mocking up the piping and what not except I'm pretty sure the way this kit is setup the BOV is located maybe 14" after the head unit does that sound right?

I thought they went after the intercooler 14"s before the MAF but honestly this is my first time doing this.

Here's how it looks though BOV location-imageuploadedbyag-free1461631994.608036.jpg

I don't have the MAF installed yet because I got to drill a 4" hole in the driver side inner fender to run the other piping.


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post #2 of 14 Old April 25th, 2016, 09:22 PM
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With a blow-through MAF where the MAF is located between the intercooler and the throttle body, the BOV goes between the head unit and the intercooler.

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post #3 of 14 Old April 25th, 2016, 09:35 PM Thread Starter
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Quote:
Originally Posted by Eagle2000GT View Post
With a blow-through MAF where the MAF is located between the intercooler and the throttle body, the BOV goes between the head unit and the intercooler.

Thanks for clarifying that!!!! Google did F all for me lol.


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post #4 of 14 Old April 26th, 2016, 11:22 AM
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Quote:
Originally Posted by Eagle2000GT View Post
With a blow-through MAF where the MAF is located between the intercooler and the throttle body, the BOV goes between the head unit and the intercooler.
couldn't it go anywhere before the maf?


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post #5 of 14 Old April 26th, 2016, 02:00 PM
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People have tired that. The entire purpose of the BOV is to vent un-needed pressure so that it doesn't back up into the supercharger. The intercooler itself is a restriction in the flow of air. I have read where people have gotten compressor surge with the BOV after the intercooler. The second reason is if the BOV is too close to the MAF you will get turbulence through the MAF making the car hard to tune. The best place is between the head unit and the intercooler. It protects the head unit and doesn't interfere with anything else.
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post #6 of 14 Old April 26th, 2016, 04:11 PM
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Yeah, from my understanding Eagle GT is correct. I personally have my BOV after the turbo but before the intercooler. (MAF is between the other end of the intercooler and TB, blow through style).
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post #7 of 14 Old April 26th, 2016, 04:19 PM
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My BOV is between my turbo and intercooler. no problems here. My MAF is on my intercooler output

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post #8 of 14 Old April 26th, 2016, 06:05 PM
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You should put it under the dash on the passenger side. Tag why when ever you have a chick in the car with a skirt... well you get the idea




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post #9 of 14 Old April 26th, 2016, 08:45 PM
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You should put it under the dash on the passenger side. Tag why when ever you have a chick in the car with a skirt... well you get the idea
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post #10 of 14 Old April 26th, 2016, 11:57 PM Thread Starter
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Quote:
Originally Posted by Mach Stang! View Post
You should put it under the dash on the passenger side. Tag why when ever you have a chick in the car with a skirt... well you get the idea

Now I need more piping to fulfill your wonderful idea lol




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---------- Post added at 03:57 AM ---------- Previous post was at 02:49 AM ----------

Another question sorry

But I've been reading I have to do something with my pcv

Do I have to cap the line that comes off the valve cover which goes to the throttle body?

And then add a filter to the valve cover?

Can I leave the pcv connected to my intake?


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post #11 of 14 Old April 27th, 2016, 08:20 AM
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How much boost are you planning on running? Unless you are running high boost you do not need to change it. I'm running 9 psi and I run the stock configuration for the PCV. Passenger side to the plenum. Driver side to the cold air intake.

But I'm speaking from a 4.6 SOHC viewpoint. It might be different for '92.
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post #12 of 14 Old April 27th, 2016, 08:47 AM
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I'm running both valve covers to a catch can, and then the catch can has a line that runs to my intake filter.
I'm not entirely sure if that is that "correct" way. But basically you're trying to prevent boost from getting into the crank case
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post #13 of 14 Old April 27th, 2016, 01:22 PM Thread Starter
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BOV location

Car will be running 10-12psi, and it is a 5L with some head work and a cam.

I've just been reading a lot because this is my first time, so I wonder if a should separate the boost from the crankcase or not.

If I have to, is that how I'd do it?

Even if I run both valve covers maybe into a catch can?


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post #14 of 14 Old April 28th, 2016, 07:49 PM Thread Starter
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Anyone?

I'm thinking of going with the catch can idea.

I'll leave the pcv the way it is, connected to the intake.

Cap the throttle body and run both valve covers to the catch can.


Think that will work?
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