i want to pressure test my car to check for any rouge boost leaks. - Miata Turbo Forum - Boost cars, acquire cats.

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Old 05-18-2012, 05:28 PM   #1
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Default i want to pressure test my car to check for any rouge boost leaks.

I dont think I really have one but on other turbo cars ive owned this a basic thing to diagnose issues and just a good thing to do prior to trouble shooting any tuning issues. does anyone have a diy for building he parts to do this? I can do it myself pretty easy but thought someone might have a document or post handy that already did most of the work. if not, i'll make a thread pressure testing
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Old 05-18-2012, 06:11 PM   #2
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Old 05-18-2012, 08:48 PM   #3
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Or if you have $30 laying around and are like me, and can never find the DIY parts at the local Home Depot:

http://www.siliconeintakes.com/index...62b23c7a1a3bc9
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Old 05-18-2012, 09:57 PM   #4
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Quote:
Originally Posted by curly View Post
Or if you have $30 laying around and are like me, and can never find the DIY parts at the local Home Depot:

http://www.siliconeintakes.com/index...62b23c7a1a3bc9
great site btw, I have used them on multiple occasions and I am very satisfied!
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Old 05-19-2012, 04:08 AM   #5
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Pipe cap the size of your Turbo inlet and an air hose quick disconnect fitting. Lower the outlet pressure to 5psi above what you run max.
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Old 05-19-2012, 09:04 AM   #6
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C
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Old 05-19-2012, 12:07 PM   #7
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^ That's exactly what I made. Couple bucks for a PVC cap and a couple bucks for a valvestem. Drill a hole in the pvc cap and pop the valvestem in place. Works perfect.
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Old 05-19-2012, 04:35 PM   #8
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Don't forget a long air hose. Everytime I got close to finding my air leaks the damn compressor would kick on ad I couldn't hear crap! Lol. Had to get a 100' of hose and do the check far from the garage. Also, used some soapy water in a spray bottle that I keep around for finding tire leaks.

Last edited by jboogie; 05-19-2012 at 05:48 PM.
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Old 05-19-2012, 04:59 PM   #9
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Quote:
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C

2.5"

where do i paypal for postage for you to lend it to me?
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Old 05-20-2012, 09:27 PM   #10
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Shipping will cost same as the parts to build one yourself...

These are great to have, found out my EGR valve was leaking so now it sits blocked off until next emissions inspection comes around. Though I was a sissy and stuck mine post-turbo. Don't waste your time with schrader valves, quick disconnects work much better. Higher airflow volume and you can just plug it in and let it sit while you dig through the engine bay looking for leaks.
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Old 05-20-2012, 09:35 PM   #11
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Shipping will cost same as the parts to build one yourself...
Pretty sure he was joking..
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Old 05-21-2012, 10:10 AM   #12
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i wasnt joking, and I'm way too lazy to build one. although I do think I have a spare compressor hose fitting like that...acutally, it should be easy as hell now that i think of it.
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Old 05-22-2012, 12:14 PM   #13
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my boost leaks are always cerulean, never rouge.
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Old 05-22-2012, 12:27 PM   #14
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my boost leaks are always cerulean, never rouge.
bro, I already changed my sig.
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Old 05-22-2012, 12:42 PM   #15
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Old 05-28-2012, 06:32 PM   #16
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Thanks for posting this, it reminded me I still hadn't tested mine. Found a huge leak through my BOV, and an intermittent one at the #4 injector. Hopefully they are the reason for my shitty lag.
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Old 05-28-2012, 08:09 PM   #17
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