Oil color

Joined
Feb 5, 2008
Messages
713
Location
texas
last time I added PYB, it appeared dark out of the bottle while supertech (other vehicle/changes) appeared very light. I am going to do another oil change tomorrow and will see what shade it is...just seemed a lot darker than before---anyone notice this? what is causing this?
 
Joined
Jun 13, 2009
Messages
1,657
Location
Eden Prairie MN
Different oils have different colors. It's fine. Probably another formula change by the manufacturer or you just poured in some used oil someone returned to Wally's as unopened. :)
 
Joined
May 17, 2006
Messages
4,365
Location
Central Wisconsin
Additive packages can affect the color of oil. It appears that some base stockes are almost 'clear' colored. SuperTech synthetic is nearly clear.
 
Joined
Jul 3, 2005
Messages
36,182
Location
NY
I noticed the Amsoil ASM I just used was extremely clean/clear looking compared to other oils I've used for years. It was so clean looking it was hard to see on the dipstick.
 
Joined
Jan 10, 2008
Messages
4,998
Location
Milwaukee, WI
I was surprised at how different four brands of similar oils looked and smelled. I wanted a non-smelly to rebuild a fishing reel, so I was taking a close look and comparing items in my stash.
 
Joined
Sep 16, 2007
Messages
712
Location
St. Louis, Missouri
I had the same problem with RLI Bio-Syn 0w-30. Out of the bottle, it was so clear-looking, it was difficult to see on the dipstick. But over a little time, the oil gradually darkened--I guess it was cleaning the engine, although I hope there isn't much to clean out of a 3-year-old Toyota engine.
 
Joined
Jan 14, 2009
Messages
918
Location
PA
 Originally Posted By: demarpaint
I noticed the Amsoil ASM I just used was extremely clean/clear looking compared to other oils I've used for years. It was so clean looking it was hard to see on the dipstick.
My Amsoil ASL 5W-30 is fairly dark in color, like a medium brown. It's darker than anything I've used.
 
Joined
Jan 18, 2009
Messages
1,081
Location
oklahoma
I have always noticed how the cheaper house brand oils are very light (almost like non-detergent oil looks), and the name brand oils are darker usually. I always figued this was due to more/superior additives
 
Joined
Nov 23, 2004
Messages
1,166
Location
N. Texas
Molecule posted a quiz once, What is the most expensive ingredient (by weight) in motor oil? ..... A: the dye
 
Joined
Jul 3, 2005
Messages
36,182
Location
NY
 Originally Posted By: ridgerunner
 Originally Posted By: demarpaint
I noticed the Amsoil ASM I just used was extremely clean/clear looking compared to other oils I've used for years. It was so clean looking it was hard to see on the dipstick.
My Amsoil ASL 5W-30 is fairly dark in color, like a medium brown. It's darker than anything I've used.
I'm using the ASM, maybe there is a difference in color. I would expect mine to darken shortly. I only have 200 miles on it so I won't be checking it for another 300 or so miles.
 
Joined
Dec 9, 2006
Messages
616
Location
Texas
 Originally Posted By: jmac
Molecule posted a quiz once, What is the most expensive ingredient (by weight) in motor oil? ..... A: the dye
No wonder Royal Purple costs so much!
 
Joined
Apr 5, 2004
Messages
9,427
Location
Pensacola & Vero Beach FL
If it turns dark, opaque, smutty black within a hundred miles or so, and it's NOT a diesel, then worry about it. If not, enjoy (or find something else to worry about).
 
Top