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Pic of yellow crap under oil cap

Old 09-30-2009, 09:30 AM
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Default Pic of yellow crap under oil cap



So for about 8 months now I have been a serious short tripper in my Z28. I drive it about 6 minutes to work every day. I'm pretty sure this is the reason for the yellow crap, lol.

BTW, I have 136k on a hotcam only 98 LS1 with no PCV upgrades.
Old 09-30-2009, 09:46 AM
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It would be a good idea to let the car warm up for a bit every couple days before driving so it can boil the moisture out of the crankcase.
Old 09-30-2009, 09:48 AM
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Yeah just looks like moisture in your oil IMO. The short trips would probably do it.
Old 09-30-2009, 10:00 AM
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I wiped it out so I can see if it comes back. I normally don't let it warm up before I take off (I know, bad ) and we rarely use it for anything longer than short town trips because its so much of a pita to drive with the loud and rough rear end (future S60 owner). I think I'm on the path to an LQ9 soon...
Old 09-30-2009, 10:03 AM
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Could be a slightly leaking head gasket. How does the oil itself look?
Old 09-30-2009, 10:38 AM
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I haven't noticed anything unusual. The coolant also looks pretty good at the cap.
Old 09-30-2009, 10:41 AM
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Pour some 'Tussin in it.
Old 09-30-2009, 10:48 AM
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Then it is probably condensation. Also I'd clean/replace your PCV valve if you haven't in awhile.
Old 09-30-2009, 04:39 PM
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Originally Posted by NOBR8KSS
Pour some 'Tussin in it.
Mo 'Tussin Mo 'Tussin.

Seriously though it does look like its just condensation. Try to drive the car more often. It's hard on a motor to take short trips like that.
Old 09-30-2009, 04:43 PM
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thats got headgasket written all over it. is the oil also a sorta milky color?
Old 09-30-2009, 04:49 PM
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Originally Posted by z28camaro1090
thats got headgasket written all over it. is the oil also a sorta milky color?
I second the motion.
Old 09-30-2009, 04:54 PM
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If the oil is milky then yes I would agree. But if it's just the cap it's probably just condensation. I have seen dist. caps like that on SBC's.
Old 09-30-2009, 08:00 PM
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these guys are idiots, its normal. This can be expected with your mods and from driving it the way you do without warm up time. Unless by chance the oil looks milky, which i doubt.
Old 09-30-2009, 08:16 PM
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I havent changed the oil in a while. Even though I havent hit 3k miles since feb I should probably change it out. The oil on the dipstick looked normal. It tends to use about a quart of oil every 2k miles.
Old 10-01-2009, 03:20 PM
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Have that same crap on the gf's 2000 z28. Has over 120k on it, runs perfect no problems.
Old 10-01-2009, 05:16 PM
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Originally Posted by Cape T/A
these guys are idiots, its normal. This can be expected with your mods and from driving it the way you do without warm up time. Unless by chance the oil looks milky, which i doubt.
Exactly. If the oil itself isnt milky its from the short trips only. I freaked out when I first bought my car b/c of the same thing. I took it to the dealer where they informed me of what was causing it. And then after joining this site I learned why it was happening.

Let it warm up until it's at least over 100* before you go drive it.
Old 10-01-2009, 05:28 PM
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Originally Posted by Cape T/A
these guys are idiots, its normal. This can be expected with your mods and from driving it the way you do without warm up time. Unless by chance the oil looks milky, which i doubt.
I agree...you guys are idiots...lol, that is perfectly normal, I have the same thing, I'd just clean it out.....you wanna see something crazy...see how much oil comes out of your intake.

Last edited by DiabloFormula; 10-01-2009 at 09:09 PM.
Old 10-01-2009, 07:01 PM
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Old 10-01-2009, 08:28 PM
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Sure lukes like condesation to me. Wormups are important part of a start up imo.
Old 10-01-2009, 09:28 PM
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agreed

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