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Old 01-13-2010, 06:25 PM   #1
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Default oil in intake manifold ?

i swapped out my stock gsr intake manifold this last weekend for a blox intake manifold. well i had the stock im sitting on the flange and when i went to pick up the intake manifold, there was a big puddle of oil where the intake manifold was sitting. is this normal? i noticed runner 3 and 4 had oil running down them too. Just wondering what would cause this? and how to fix it. I'm thinking this is why my car smokes in vtec.
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Old 01-13-2010, 06:34 PM   #2
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Default Re: oil in intake manifold ?

lots of blow by. the pcv and valve cover breather are venting that stuff back into the manifold like they're designed to. Do a leak down test to check the motor's health.
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Old 01-14-2010, 06:23 PM   #3
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Default Re: oil in intake manifold ?

will do that this weekend. any more inputs?
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Old 01-14-2010, 07:43 PM   #4
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Default Re: oil in intake manifold ?

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lots of blow by. the pcv and valve cover breather are venting that stuff back into the manifold like they're designed to. Do a leak down test to check the motor's health.
X2 sounds like the culprit. Maybe rings aren't sealing tight?
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Old 01-15-2010, 07:14 PM   #5
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Default Re: oil in intake manifold ?

^^ ya, but 1/4 of a quart of oil? imma do a leak down test tommorow. will see wat happens
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Old 01-15-2010, 07:22 PM   #6
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Default Re: oil in intake manifold ?

there was a 1/4 quart of oil in your intake manifold?
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Old 01-16-2010, 10:52 AM   #7
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Default Re: oil in intake manifold ?

i'd say it was about a 1/4 quart. maybe a little less, i was pretty shocked myself. pretty much where i set the im, there was a puddle. i was thinking maybe the pcv valve is stuck open or something. i replaced it with a new one.
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Old 01-16-2010, 11:20 AM   #8
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Default Re: oil in intake manifold ?

did a compression test and leak down test.
comp. 205-200-205-200

leak down test was at like 7-8% on cylinder 1 and 2, then about 10% on cylinder 3 and 4, i could hear air leaking in the head slightly on all the cylinders which i think maybe valveseals.

i think maybe the pcv valve was stuck or something, but i replaced it so hopefully when it gets warmer out, we'll see if it still smokes in vtec. right now i'm barely using 1/4 of a quart a month driving 40+ miles a day normally, if i get on it alot, then i use almost half a quart a month.
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