Redline 5W40, 6300mi, Mitsubishi Colt Turbo (4G15)

[DCturbo]

No. of months oil in Service: 4 months
Driving conditions: Medium-Hard
Climate: Tropical (temperature averaging 80-95 degrees (F)

UOA
Time on Fluid 6000m
Time on Filter 6000m
Fluid Maint. Not Changd
Filter Maint. N/A
Fluid XX015
Iron (Fe) 16
Chromium (Cr) 0.4
Nickel (Ni) 0.7
Titanium (Ti) 0
Silver (Ag) 0
Aluminum (Al) 16
Lead (Pb) 0.6
Copper (Cu) 7
Tin (Sn) 0
Silicon (Si) 23
Sodium (Na) 15
Potassium (K) 0
Boron (B) 2.7
Barium (Ba) 0.2
Molybdenum (Mo) 530
Magnesium (Mg) 10
Calcium (Ca) 2446
Phosphorus (P) 1083
Zinc (Zn) 1241
Sulfur (S) 6115
Cadmium (Cd) 0
Manganese (Mn) 0.2
Vanadium (V) 0
H2O(%)
Soot(%) 0
Oxidation(PA) 470
Nitratrion(PA) 100
Sulfation(PA) 230
ZDDP -0.05
TAN 4.73
Kv@100°C 17.8
White Metal NONE
Babbitt NONE
Precipitate NONE
Silt NONE
Debris NONE
Dirt NONE
Appearance NORML
Odor NORML
H2O(Emul) NEG
H2O(Free) NEG

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Would appreciate any oil gurus here to make out of the above readings ... thanks!

 

[DCturbo]

I've got another UOA that was done 10000 miles earlier. Also based on the same oil, ie. REDLINE 5W40.

Would appreciate your intepretation for this too!

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Time on Fluid 9500m
Time on Filter 9500m
Fluid Maint. N/A
Filter Maint. N/A
Fluid XX015
Iron (Fe) 22
Chromium (Cr) 2.2
Nickel (Ni) 0.3
Titanium (Ti) 0.1
Silver (Ag) 0.1
Aluminum (Al) 5.2
Lead (Pb) 22
Copper (Cu) 6.4
Tin (Sn) 0
Silicon (Si) 34
Sodium (Na) 6.2
Potassium (K) 9.4
Boron (B) 11
Barium (Ba) 0
Molybdenum (Mo) 8.4
Magnesium (Mg) 881
Calcium (Ca) 1267
Phosphorus (P) 786
Zinc (Zn) 922
Sulfur (S) 2704
Cadmium (Cd) 0
Manganese (Mn) 1.4
Vanadium (V) 0
H2O(%) 0.17
Soot(%) 0
Oxidation(PA) 280
Nitratrion(PA) 145
Sulfation(PA) 130
ZDDP -0.04
TAN 5.64
Kv@100°C 14.3
White Metal NONE
Babbitt NONE
Precipitate NONE
Silt NONE
Debris NONE
Dirt NONE
Appearance NORML
Odor NORML
H2O(Emul) 0.10%
H2O(Free) NEG

--------------------------------------------

 

[Cutehumor]

Nice to see another 4g15 here! I have a 92 Mitsu Mirage non turbo. Redline UOAs are a bit tricky. No potassium in your UOA. Wear isn't out of line. Are you using a KN air filter? if so, it's been shown here with UOA's paper air filters are better. how many miles do you have on your 4g15?

 

[greenjp]

Quote:

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Are you using a KN air filter?

---

I was gonna ask the same thing. Si is higher than you'd like in both samples.

Don't know what the averages for this engine are. Couple observations: Aluminum is 3x higher in the shorter sample. Lead was 22 in the longer sample, but only 0.6 in the shorter one? I'm curious to see what the experts would make of those two items. Iron tracked with miles, presumably those are ok numbers for this engine?

jeff

 

[benjamming]

What lab did the analysis?
How does one come up with ZDDP -0.05?

 

[nel]

Just as others have said regarding Redline--the first UOA shows high lead and the subsequent UOAs show much better wear results.

I wonder if this happens with other ester-based oils or those with higher percentage additive components, as well.

 

[JohnBrowning]

The most recent one looks fine overall. The previous one show the cleaning that Redline was still doing.The silicone is a bit high but I do not rember how much silicone Reline use's for anti foam at the moment. I want to say it is between 12-19 PPM. So I will have to look that up before I get too alarmed at the silicone. I would look for any leaks or a bad filter just to play it safe! With this much silicone though if it were all dirt I would expect to see lead,chromium and iron much higher then it is.