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Old Apr 30, 2009, 09:22 PM   #1
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Lightbulb How to: make a slightly more baller boost leak detector

I've read up on the 5 dollar boost leak detector, and while it's great for a quick diagnosis on the road, I wanted one that met certain criteria for my home use:

-quick disconnect for hands free operation
-ball valve to turn on or off.
-Pressure gauge to keep an eye on things without running to look at my boost gauge or compressor gauge.
-Pressure regulator to adjust things easily to see just how everything responds to different boost levels.

So, I set off to my friendly neighborhood Lowe's and picked up the following items:

A 2 inch slip on bushing with a 1/2" NPT threaded opening. This fit my lower IC couplers perfectly, I'll have to find an adapter to hook it to my turbo inlet as my intake is 4"

also pictured is a 1/2" to 1/4" adapter that is required for this project. This was glued in, so I couldn't separate it for pictures.

Click the image to open in full size.

TWO 1/4" male to male adapters:
Click the image to open in full size.

A 1/4" ball valve
Click the image to open in full size.

A 1/4" female quick connector for whatever style compressor hose you're using.
Click the image to open in full size.

and a mini regulator, ~$18 or so.

Click the image to open in full size.

Assemble it like so:

Click the image to open in full size.

use plenty of this:
Click the image to open in full size.

Finished product:
Click the image to open in full size.


I know it costs quite a bit more than 5 bucks, more like ~ 30, but the fact that I can leave my compressor hooked up, know exactly how much pressure I'm pushing, and shut it off at any moment is worth it to me. Not to mention I can really get in and search without having to worry if I'm running out of air.

I found leaks in my BOV banjo fitting, wastegate source, 2 couplers, brake booster source, and the infamous throttle body shaft leak. Well worth the money. If there's any questions, comments, flaming, death threats, etc.. feel free

Last edited by whoflungpoo; May 1, 2009 at 12:45 AM. Reason: Forgot the regulator picture, resized some pics
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Old Apr 30, 2009, 09:26 PM   #2
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Interesting. Thanks for doing a write up! I always love to see other people's DIY's.
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Old Apr 30, 2009, 09:45 PM   #3
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I'll kill you!!!

J/K... Very good write up... I'm going to be building one of these since I hate having to run into the car to check the pressure...

-E
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Old May 10, 2009, 11:35 AM   #4
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Old May 10, 2009, 05:37 PM   #5
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Interesting, looks good.
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Old Jul 20, 2009, 09:10 PM   #6
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Baller setup. Worked liked a champ. Found a boost leak at the turbo to turbo outlet pipe, wastegate and throttle body. Two fixed, all that is left is the throttle body. Thanks a lot.
Dan
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Old Jul 21, 2009, 04:51 AM   #7
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Quote:
Originally Posted by rawkus View Post
Baller setup. Worked liked a champ. Found a boost leak at the turbo to turbo outlet pipe, wastegate and throttle body. Two fixed, all that is left is the throttle body. Thanks a lot.
Dan
Awesome, glad I could help out!
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Old Aug 25, 2009, 10:24 PM   #8
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i'm going to build one of these just to be baller
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Old Aug 25, 2009, 10:24 PM
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areas, boost, build, building, detector, diy, inch, leak, make, pics, srt, srt4, test, tester, turbo

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