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Old 06-26-2011, 01:59 PM   #1
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Default Boost leak at injector insulators

I dod a boost leak test yesterday and holy cow, it was so bad I could only get 3 psi to hold. I found that all my injector insulators were pissing worst was#1. I had taken them out and looked at all of them but they all seem fine. I have 305cc injectors.
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Old 06-26-2011, 02:02 PM   #2
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sure it wasn't the valves?
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Old 06-26-2011, 02:11 PM   #3
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soap test says it was injector insualtors
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Old 06-26-2011, 02:22 PM   #4
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Clean up the spots where they go and buy new ones. I think you can get all the seals at orielly for like 16 or 17 bux.
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Old 06-26-2011, 02:30 PM   #5
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I am in Canada and all we have is napa, thats seems shitty comparied to the US napa. I took out the spacers on the fuel rail to intake manifold to get it alittle tighter. I am doing a leak test now, I will let you know.
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Old 06-26-2011, 03:22 PM   #6
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1 item is your friend: O-rings.
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Old 06-26-2011, 06:40 PM   #7
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Quote:
Originally Posted by Pen2_the_penguin View Post
1 item is your friend: O-rings.
thats what I did, the local napa wanted $12 per rebuild kit. I am a plumber so I have lots of different o-rings. I put a big one between the manifold and insulator and one small one that fits great between the injector and insulator.
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Old 06-26-2011, 06:42 PM   #8
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With all the boost leaks I found my poor turbo would have been way out of its efficentcy range. I will probibly run out of fuel with only 305 at 12psi.
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