Boost pressure leak detctor
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Junior User
Joined: Sep 2013
Posts: 53
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Boost pressure leak detctor
I have read many threads on this site of diy boost leak detectors but what I have not seen is the instructions as to how to make one. I suspect I probably have some leaks and was wanting to do a leak test and see how many there are I`m looking to improve my MPG. Any help is much appreceated.
Logistics Pro
Joined: Oct 2011
Posts: 3,953
Likes: 120
From: Mcdonough, GA
from our very own Trey Spooner
I found several different caps at the home store taht looked close but want to say it was the thinwall 3" that ended up working. It's been a while since I made mine. Will check when I get home to confirm.
I found several different caps at the home store taht looked close but want to say it was the thinwall 3" that ended up working. It's been a while since I made mine. Will check when I get home to confirm.
Logistics Pro
Joined: Oct 2011
Posts: 3,953
Likes: 120
From: Mcdonough, GA
I just got home and checked mine. Its actually a standard 3" schedule 40 pvc cap. one of the rounded ones. I pulled a fitting/pressure regulator/gauge off an old paint spray gun and used it. works great. Tried to take pics to send but lousy cell signal and pics won't send from phone. you don't need them anyway. Trey's got you covered
Edit: got pics to load
Edit: got pics to load
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Junior User
Joined: Sep 2013
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Would I be wrong to try mabey 10psi first spray soapy water if no leaks found increase psi to 20 spray again and look, what is the average psi these engines produce wot mine is completely stock 288K original turbo and looks like the factory cac boots. Thanks in advance.
Posting Guru
Joined: May 2013
Posts: 1,199
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From: Oklahoma
I have to try and make another one of these. I've made one before, but the pressure gauge never moves. The system has no leaks according to the soapy water, and the intake swells as the pressure mounts to 15PSI, however I see no movement on the pressure gauge.
Humm... something to check.
Humm... something to check.
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Logistics Pro
Joined: Oct 2011
Posts: 3,953
Likes: 120
From: Mcdonough, GA
Would I be wrong to try mabey 10psi first spray soapy water if no leaks found increase psi to 20 spray again and look, what is the average psi these engines produce wot mine is completely stock 288K original turbo and looks like the factory cac boots. Thanks in advance.
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9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
from our very own Trey Spooner
Video Link: http://www.youtube.com/watch?v=Z3HmH86CCXE
I found several different caps at the home store taht looked close but want to say it was the thinwall 3" that ended up working. It's been a while since I made mine. Will check when I get home to confirm.
Video Link: http://www.youtube.com/watch?v=Z3HmH86CCXE
I found several different caps at the home store taht looked close but want to say it was the thinwall 3" that ended up working. It's been a while since I made mine. Will check when I get home to confirm.
To the OP, if you have any questions feel free to message me.
Also, never stand in front of the boost leak detector....
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Junior User
Joined: Sep 2013
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Thanks A/OX4 I`ll be sure and be mindful of standing in front of leak detector, I guess to be sure I get the rite o.d. cap I can take the intake off and measure the i.d so I get the rite size Thanks again.
9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
I never had any problems regardless of manufacturer, as long as it was clamped.
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