oil on top of driverside valve cover

ron98gt · October 3rd, 2008, 09:58 PM

ok i recently changed my 6lb pully to 11lbs, not sure if this has anything to do w/my problem. so the other day i got on the pedal pretty hard and herd a high-piched whine(i was sure that it was the supercharger), so i desided to look under the hood when i got home. i found a small amount of oil on top of 1 of the valve covers on the 2nd bolt indent from the back(fire wall). so i was just wondering if this could be caused from the added boost or am i over analizing the need for a new valve cover gasket. what do you think?

MustangMatt96GT · October 3rd, 2008, 11:15 PM

sounds like it could be blow by from the added boost. Do you have a catch can?

ron98gt · October 3rd, 2008, 11:43 PM

no, to be honest i have never heard of it. what does it do and where does it go?
i tried to see where the oil is comming from but i see no trace anywhere except near the bolt on the valve cover where the oil is. i was thinking that either the bolt is loose or i need a new gasket. the 1 thing that i dont understand is, is there that much pressure under the valve cover that it would leak at the top of the cover?

MustangMatt96GT · October 3rd, 2008, 11:44 PM

PVC blow by, and im not good to tell you how it works and what not. But i know ChrisJ and a few have some of them.

ron98gt · October 4th, 2008, 02:38 AM

i thought the same thing but i see no evidence of it.

October 3rd, 2008, 09:58 PM	#1
ron98gt Regular 1998 mustang GT Join Date: Apr 2006 Location: MA Posts: 78 iTrader: 0 reviews	oil on top of driverside valve cover ok i recently changed my 6lb pully to 11lbs, not sure if this has anything to do w/my problem. so the other day i got on the pedal pretty hard and herd a high-piched whine(i was sure that it was the supercharger), so i desided to look under the hood when i got home. i found a small amount of oil on top of 1 of the valve covers on the 2nd bolt indent from the back(fire wall). so i was just wondering if this could be caused from the added boost or am i over analizing the need for a new valve cover gasket. what do you think? __________________ 98 gt blk on blk 90k miles with BBk 75mm throttle body, C&L plenum, Diablosport predator,powerdyne supercharger & a few other things.

October 3rd, 2008, 11:15 PM	#2
MustangMatt96GT Proud American 1996 Mustang GT Join Date: Dec 2006 Location: Lakewood, CO Posts: 10,689 iTrader: 3 reviews	sounds like it could be blow by from the added boost. Do you have a catch can? __________________ RIP Travis Billings Special Thanks to: Andrews Racing Transmissions Baseline Suspensions 25.3 SFI Chassis Build Never Lift Racecars

October 3rd, 2008, 11:43 PM	#3
ron98gt Regular 1998 mustang GT Join Date: Apr 2006 Location: MA Posts: 78 iTrader: 0 reviews	no, to be honest i have never heard of it. what does it do and where does it go? i tried to see where the oil is comming from but i see no trace anywhere except near the bolt on the valve cover where the oil is. i was thinking that either the bolt is loose or i need a new gasket. the 1 thing that i dont understand is, is there that much pressure under the valve cover that it would leak at the top of the cover? __________________ 98 gt blk on blk 90k miles with BBk 75mm throttle body, C&L plenum, Diablosport predator,powerdyne supercharger & a few other things.

October 3rd, 2008, 11:44 PM	#4
MustangMatt96GT Proud American 1996 Mustang GT Join Date: Dec 2006 Location: Lakewood, CO Posts: 10,689 iTrader: 3 reviews	PVC blow by, and im not good to tell you how it works and what not. But i know ChrisJ and a few have some of them. __________________ RIP Travis Billings Special Thanks to: Andrews Racing Transmissions Baseline Suspensions 25.3 SFI Chassis Build Never Lift Racecars

October 4th, 2008, 02:38 AM	#5
ron98gt Regular 1998 mustang GT Join Date: Apr 2006 Location: MA Posts: 78 iTrader: 0 reviews	i thought the same thing but i see no evidence of it. __________________ 98 gt blk on blk 90k miles with BBk 75mm throttle body, C&L plenum, Diablosport predator,powerdyne supercharger & a few other things.

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