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Oil running off dipstick after hard driving #5238759 10/13/19 06:39 PM
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DV0993 Offline OP
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Tracked my car a few days ago, didn't miss a beat, didn't burn any oil (F20c).

Oil used was Penrite 10w40 Racing.

I notice now (of course, checking the oil when COLD), that the oil doesn't cling to the dipstick, i.e it seems like it runs or drips off the dipstick. The oil as it stands has less than 1000km on it.

Has the oil lost its protective properties?

Re: Oil running off dipstick after hard driving [Re: DV0993] #5238776 10/13/19 07:09 PM
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sloinker Offline
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Does it smell like fuel?


'16 Tiguan TSI Ravenol VST 5W40
'15 VW Golf TDI Ravenol VMP 5W30
'15 VW Golf Sportwagen TDI VMP 5W30
'14 Dodge Grand Caravan 3.6 Red Line Blue Label 5W20
'64 Plymouth Fury440 Red Line Blue Label 10W40
Re: Oil running off dipstick after hard driving [Re: sloinker] #5238782 10/13/19 07:12 PM
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DV0993 Offline OP
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Fortunately it does not smile

Re: Oil running off dipstick after hard driving [Re: DV0993] #5238801 10/13/19 07:30 PM
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Mad_Hatter Offline
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Originally Posted by DV0993
Tracked my car a few days ago, didn't miss a beat, didn't burn any oil (F20c).

Oil used was Penrite 10w40 Racing.

I notice now (of course, checking the oil when COLD), that the oil doesn't cling to the dipstick, i.e it seems like it runs or drips off the dipstick. The oil as it stands has less than 1000km on it.

Has the oil lost its protective properties?

At ambient temp the lube is still sufficiently thick to provide a moft at startup. There's no way to tell just from eyeballing it at ambient, if the 100c and 150c viscosity is still adequate/in grade because it's much much thicker "cold" than when it's at operating temp.

Last edited by Mad_Hatter; 10/13/19 07:37 PM.
Re: Oil running off dipstick after hard driving [Re: DV0993] #5238844 10/13/19 08:16 PM
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JMJNet Offline
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Only oil analysis can answer what you are asking.


  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: Oil running off dipstick after hard driving [Re: DV0993] #5238851 10/13/19 08:26 PM
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Since you are above the temperature pour point of your oil, it should run or drip off the dipstick. You might need -10 deg to -20 deg F to get to a point where it clings to your dip stick when cold. Good thing it drips off your stick or it be pretty tough to pump at start up.

And I understand that pour point and pump-ability specs are 2 diff things....but this is simplified logic.

Last edited by 69GTX; 10/13/19 08:34 PM.

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2001 Lincoln Cont 4.6L DOHC/ 50K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: Oil running off dipstick after hard driving [Re: DV0993] #5239008 10/14/19 02:56 AM
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Mad_Hatter Offline
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That Penrite is all grp4/5, it's very shear stable with probably little to no viscosity modifiers. NASCAR engines turning 10k rpm and +800hp run PAO/ester for hours, albeit at much lower viscosities. The track run didn't "break" the oil.

Re: Oil running off dipstick after hard driving [Re: DV0993] #5239018 10/14/19 03:17 AM
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billt460 Offline
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I don't think I've ever checked my oil where I didn't have a drop or two drip off the dipstick.

Re: Oil running off dipstick after hard driving [Re: DV0993] #5239077 10/14/19 05:53 AM
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Kira Offline
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You're seeing it fall off the dipstick because it lubricates itself.

Milk splashes ALL OVER the kitchen if you spill some for the same reason.

Ever watch the drips at the end of a quart of oil hit the wet sides of the funnel you're using? The oil leaps away from the funnel's side.

Re: Oil running off dipstick after hard driving [Re: DV0993] #5239180 10/14/19 08:22 AM
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CT8 Offline
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Hot oil is thinner.

Re: Oil running off dipstick after hard driving [Re: CT8] #5239239 10/14/19 09:48 AM
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Originally Posted by CT8
Hot oil is thinner.


Yes, It is.

But the OP stated this is all based on checking their dipstick with the oil/engine COLD.

Last edited by 69GTX; 10/14/19 09:48 AM.

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2001 Lincoln Cont 4.6L DOHC/ 50K mi / QS HM 5w30 / FUG XG2
1999 Camaro SS M6 /19K /Mobil 1 0w40 /Fram UG /GM MTL-ATF
1969 Ply GTX/RRs
Re: Oil running off dipstick after hard driving [Re: 69GTX] #5239286 10/14/19 10:35 AM
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DV0993 Offline OP
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Thank you all - Yes confirming again, checked when the engine was cold.

Re: Oil running off dipstick after hard driving [Re: DV0993] #5239462 10/14/19 02:12 PM
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Anduril Offline
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It's probably more dipstick design than anything else. Our Toyotas don't do it, but the Versa, Mustang, and XTerra all drip a couple drops of oil from the dipstick when it's removed.


2015 Nissan Versa Note 1.6/5MT
2012 Toyota Tacoma 2.7/4AT
2007 Toyota Camry 2.4/5AT
2005 Nissan XTerra 4x4 4.0/6MT
2002 Mustang GT Convertible 4.6/5MT
2009 Kawasaki Vulcan 900
2013 Hyosung ST7
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