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Oil on top of spark plugs?? Help!?

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Old May 19, 2009 | 02:17 PM
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AMSBuilt4g64's Avatar
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Oil on top of spark plugs?? Help!?

Hey guys,

Once again on here for HELP!!! lol i've own my gg ix mr for almost a year now and still learning about these badd toys. But i have this problem that i've never seen before in my life, by all the other cars i've own i've never had this problem nor seen such a thing ever. but today when goin go home from work the car acted really funny, the temp gauge was fine then just crusin around 55mph the oil temp gauge just jumped and buried it self so i pulled over to exxon to cool off...

for about 15 mins to cool off i started driving home "basically 15 mins away plus traffic" it was fine till i got onto mountain road close to phelps and it started all over again...so make the story short i got home then popped the hood and lifted the plug cover and there was a bunch of oil inside and around the plugs "i use NGK Plugs"...so i don't know if i need a new gasket or what? Its a 2.3 crate motor with 14K miles on it, Hardly driven mostly trailered when going to away shows. ex) OC My fathers a mechanic and doesn't know nothing about imports just muscle cars haha

But if anyone know's whats the problem i'll be happy so it'll be fixed asap!!!

Last edited by AMSBuilt4g64; May 19, 2009 at 02:19 PM.
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Old May 19, 2009 | 02:18 PM
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Probably a cracked valvecover, magnesium is pretty damn soft...take it off and inspect the inside closely.

Scorke
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Old May 19, 2009 | 02:30 PM
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Originally Posted by scorke
Probably a cracked valvecover, magnesium is pretty damn soft...take it off and inspect the inside closely.

Scorke
well we just took out the valve cover and we see no cracks at all, the gasket is fine no cuts or anything...you think its the plugs i'm using or what??
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Old May 19, 2009 | 02:49 PM
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Originally Posted by AMSBuilt4g64
well we just took out the valve cover and we see no cracks at all, the gasket is fine no cuts or anything...you think its the plugs i'm using or what??
If the oil is only getting to one of the plugs I would still have to say its a valvecover issue, unless possibly the head is damaged to the point of cracking, and letting oil get in between it and the block. Before you pull the head ensure that all the gaskets around the base of the spark plug holes are nice and clean, and go and take it for another short drive, the gaskets that are rubber and individual at the base of each plug hole are the ones I am referencing.

The fact that your oil temps are getting very high is worrying however, makes me think its possibly something more serious (like head damage) and not just something with the valvecover.

Scorke
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Old May 19, 2009 | 03:24 PM
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Originally Posted by scorke
If the oil is only getting to one of the plugs I would still have to say its a valvecover issue, unless possibly the head is damaged to the point of cracking, and letting oil get in between it and the block. Before you pull the head ensure that all the gaskets around the base of the spark plug holes are nice and clean, and go and take it for another short drive, the gaskets that are rubber and individual at the base of each plug hole are the ones I am referencing.

The fact that your oil temps are getting very high is worrying however, makes me think its possibly something more serious (like head damage) and not just something with the valvecover.

Scorke
ohh okay...lol, but damn that would suck if it is the head damn...alright lemme check those then. i was checking the wrong gasket
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Old May 19, 2009 | 03:28 PM
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From: Mass
Inspect the VC gasket very closely...
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Old May 19, 2009 | 05:36 PM
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its ur tube seals. they are the seals that are in the valve cover that surround the spark plug holes. get 4 new ones and a vc gasket and replace everything. also get new plugs and possibly wires or atleast clean the wires real good
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Old May 19, 2009 | 07:37 PM
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Originally Posted by EatSleepBoost
its ur tube seals. they are the seals that are in the valve cover that surround the spark plug holes. get 4 new ones and a vc gasket and replace everything. also get new plugs and possibly wires or atleast clean the wires real good
+1!!
not sure how a cracked head will get you this symptom
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Old May 19, 2009 | 10:32 PM
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Originally Posted by igo4bmx
+1!!
not sure how a cracked head will get you this symptom
Oil does come up to lubricate the valve train, the last time I saw a catch can attached to the very top it collected oil? The head is directly next to and around the plug holes? Is it that hard to believe thats possible but very unlikely?

Holes can be put in any type of motor if you search far enough....

Scorke
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Old May 20, 2009 | 07:35 AM
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From: sc
473.276 tq: :14.687 afr
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Old May 20, 2009 | 10:16 AM
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The last time I had oil in a spark plug hole the filler cap gasket was leaking. The engine has to be vented or oil will get pushed out where ever it can. I too do not see how this would be related to high oil temp.
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Old May 20, 2009 | 10:52 AM
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^ i agree. i also do not see how this would cause the high oil temp. i suggest borrowing another oil temp gauge and test it out after you replace the rubber seals around the valve cover and then test it out. also just to be safe id replace the engine oil since if the temps really went high it could cook up that oil before you test it out again. i suggest giving ams a call also since its their motor and see what they say.

do u have a wideband? it would be wise to check your afrs. since lean afrs could cause high engine temps.

Last edited by andrewzaragoza; May 20, 2009 at 10:57 AM.
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Old May 21, 2009 | 08:09 PM
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Hey guys thanks for all the feedback and info...

we just basically took the whole motor apart and we think its just the motor itself we don't know...Its not an AMS motor its actually from Magnus and idk why there motors would do such a thing. yes i do have a wideband we checked that and everythings fine...codes are good and my father just thinks its an internal thing. We've change the tube seals and got new plugs and wires and the problem is some what solved theres just little oil on around the plugs but now when i drove it to work today it's sputtering off 1st, 2nd meaning its like its about to bog out "stall" well it stalled out on riva road so all lights turned on in the dash and wouldn't start anymore, no crank, it wont turn over or w/e. the instruments will turn on but just wont do anything so motor is toast and its weird idk what in the world it is. We've pulled out the pan and theres nothing in it, no metal shavings nor anything, the clutch is fine, all lines and plugs are together, we've checked if there was any cuts in any wires to see if squirrels bite em or w/e nothing. So we don't know what it is, Like i said to other evo owners that this car is hardly a DD, its mostly trailered to show's and the track so i take it out once a month or more and hardly run it or beat on it. So we think its the motor and my fathers a mechanic and has never heard nor seen this kind of problem on any car he's worked on...

So i'm buying a new motor 2.3rr from AMS and let them install it...so right as of now the car is not running...if you wanna try to figure the problem feel free but right now my option is to pull it out

bump
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Old May 22, 2009 | 08:00 AM
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Whatever you decide, and wether the engine is fine or not, avoid running an engine at an AFR that creates the greatest WOT heat to power ratio. 13.9:1 to 14.9:1 AFR is the danger zone no matter what fuel, load, cooling, forged parts are at hand. Combustion to CO increases when richer and creates pressure, CO2 increases when leaner and creates heat. Both create power but at around 12.9 AFR, power will drop off going leaner or richer. Turbo car's idealy run on the rich side of peak pwr for thermal reasons, Also with twin scroll, the ability to oxidize some CO to CO2 at the turbine.

Good luck with the new motor
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Old May 22, 2009 | 08:41 PM
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The gauge spike coupled with your electical issues and the motor checking out fine leads me to believe that you have the harness corrosion problem from a leaky seal in the footwell on the drivers side. Since you haven't found mechanical issues aside from the sparkplug well gaskets I would search for electrical problems. You will find many strange intermintent electrical issues that seem to relate to this problem. Search the forums for examples. Worth a shot at least.
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