Vavoline 20/50 Turning Dark after 4 passes ?

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Vavoline 20/50 Turning Dark after 4 passes ?

Post  colormebad on March 9th 2014, 9:37 pm

Im running C16 racing fuel, and never had this problem before, but just put new oil and filter and made 4 passes at the track and the oil looks dark...I have had this oil in boxes when it was on sale at autozone about 5 years ago...Is it the fuel or bad fuel causing this, Car ran realy well , but hadn't figured out what it turn dark soo soon...First time the car has seen some higher rpms since motor was built new...

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Re: Vavoline 20/50 Turning Dark after 4 passes ?

Post  Larry Williams on March 9th 2014, 11:35 pm

the detergents in the oil is just doing its job and cleaning is the most likely cause. I don't think excessive fuel is the problem unless the oil stinks of gas bad.
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Re: Vavoline 20/50 Turning Dark after 4 passes ?

Post  colormebad on March 10th 2014, 12:17 am

Larry Williams wrote:the detergents in the oil is just doing its job and cleaning is the most likely cause.  I don't think excessive fuel is the problem  unless the oil stinks of gas bad.

I have had this Vavoline about 4 years or so , but was bought new...A small ammount of color came from the bottom of each new qt...Here was the new oil and 1 spot that was a different color u can see, then u can see the dark oil i just put in a few days ago, and after 4 runs its dark...I dont smell gas...




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Re: Vavoline 20/50 Turning Dark after 4 passes ?

Post  f250mike on March 11th 2014, 11:02 pm

I noticed the same thing when pouring in my VR1 20/50. The last few drops were darker than the rest of the quart. Do you think an additive in the oil has separated?
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Re: Vavoline 20/50 Turning Dark after 4 passes ?

Post  colormebad on March 12th 2014, 9:29 am

f250mike wrote:I noticed the same thing when pouring in my VR1 20/50. The last few drops were darker than the rest of the quart. Do you think an additive in the oil has separated?

I had bought this oil when it was on sale at autozone about 4 years ago....I just went yesterday and bought a new qt and shook both up and there is a differance in color...New qt is on your right!


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Re: Vavoline 20/50 Turning Dark after 4 passes ?

Post  AZFairlane on March 12th 2014, 10:26 am

When I worked out at the nuclear plant they would dispose of any oil that was 6 months or older, whether or not it had ever been opened...maybe they weren't being overly cautious and wasteful like I thought.
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Re: Vavoline 20/50 Turning Dark after 4 passes ?

Post  colormebad on March 12th 2014, 11:53 am

I agree!

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Re: Vavoline 20/50 Turning Dark after 4 passes ?

Post  f250mike on March 12th 2014, 10:22 pm

I have another case in the shop from last year. Maybe that $2.00 off a quart has a reason Question Question 
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Re: Vavoline 20/50 Turning Dark after 4 passes ?

Post  Frank Merkl on March 13th 2014, 12:50 am

The additive package in the oil probably has changed since the oil you bought , that's usually why oil goes on sale ! that's what an oil rep told me anyways , 4 years ago here Walmart had 5w30 & 10w30 Quaker State on for sale , 5 litre jugs for $5.99 , called my rep and asked what was the deal? He said a new additive package was out and that was old stock ,so I bought a whole pallet Cheap!!! It takes allot of oil just to change the oil in the all pickups and 3tons!
Frank
Hell 5 litre jugs of QS now is $28 !!!
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