Oil sample number nine
#1
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Oil sample number nine
I missed taking a sample on the oil change before this one.
2004 Mazda RX-8
Oil OEM Redline Redline Redline Redline Redline
5w20 5w20 5w20 5w20 5w20 5w20 5w20 5w20 5w20
Oil added 0 0 0 0 0 0 1 0 1
Miles on Oil 1250 1764 1500 1500 3000 4000 6581 4400 6000
Miles on Unit 1250 3014 4520 6067 9166 13221 19802 24201 37,431
Date 12-13-03 12-30-03 02-09-04 03-24-04 06-04-04 08-30-04 02-15-05 06-10-02 12-13-06
Aluminum 9 5 5 10 6 6 7 9 4
Chromium 4 5 6 5 6 7 11 13 24
Iron 30 30 33 29 29 35 50 47 54
Copper 18 22 15 10 7 6 7 6 5
Lead 1 2 0 3 3 5 5 6 8
Tin 0 1 4 0 1 1 1 1 0
Moly 480 471 578 599 586 556 574 750 632
Nickel 1 1 1 1 1 1 2 2 2
Manganese 0 1 1 1 0 0 0 1 0
Silver 0 0 0 0 0 0 0 0 0
Titanium 0 0 0 0 0 0 0 0 0
Potassium 0 2 5 4 3 2 5 1 1
Boron 137 71 37 24 17 8 14 22 12
Silicon 42 28 21 17 15 15 15 17 15
Sodium 8 15 18 20 20 22 20 27 21
Calcium 1724 2421 2565 2841 2906 3394 2698 3160 3101
Magnesium 5 6 7 6 6 6 14 13 10
Phosphorous 850 1015 1084 1077 1091 1222 1183 1419 1326
Zinc 884 1236 1165 1236 1362 1371 1304 1533 1402
Barium 1 1 0 0 0 0 0 0 1
SUS Vis@210C 50.3 50.9 53.4 54.1 54.4 58.5 59.6 62.3 54.4
Flashpoint F 335 325 340 370 395 400 370 440 340
Fuel 1.5% 1.5% 1.3% .5 .5 .5 .5 .5 2.3
Antifreeze 0 0 0 0 0 0 0 0 0
Water 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Insolubles 0.2 0.3 0.4 0.4 0.3 0.2 0.5 0.3 .3
2004 Mazda RX-8
Oil OEM Redline Redline Redline Redline Redline
5w20 5w20 5w20 5w20 5w20 5w20 5w20 5w20 5w20
Oil added 0 0 0 0 0 0 1 0 1
Miles on Oil 1250 1764 1500 1500 3000 4000 6581 4400 6000
Miles on Unit 1250 3014 4520 6067 9166 13221 19802 24201 37,431
Date 12-13-03 12-30-03 02-09-04 03-24-04 06-04-04 08-30-04 02-15-05 06-10-02 12-13-06
Aluminum 9 5 5 10 6 6 7 9 4
Chromium 4 5 6 5 6 7 11 13 24
Iron 30 30 33 29 29 35 50 47 54
Copper 18 22 15 10 7 6 7 6 5
Lead 1 2 0 3 3 5 5 6 8
Tin 0 1 4 0 1 1 1 1 0
Moly 480 471 578 599 586 556 574 750 632
Nickel 1 1 1 1 1 1 2 2 2
Manganese 0 1 1 1 0 0 0 1 0
Silver 0 0 0 0 0 0 0 0 0
Titanium 0 0 0 0 0 0 0 0 0
Potassium 0 2 5 4 3 2 5 1 1
Boron 137 71 37 24 17 8 14 22 12
Silicon 42 28 21 17 15 15 15 17 15
Sodium 8 15 18 20 20 22 20 27 21
Calcium 1724 2421 2565 2841 2906 3394 2698 3160 3101
Magnesium 5 6 7 6 6 6 14 13 10
Phosphorous 850 1015 1084 1077 1091 1222 1183 1419 1326
Zinc 884 1236 1165 1236 1362 1371 1304 1533 1402
Barium 1 1 0 0 0 0 0 0 1
SUS Vis@210C 50.3 50.9 53.4 54.1 54.4 58.5 59.6 62.3 54.4
Flashpoint F 335 325 340 370 395 400 370 440 340
Fuel 1.5% 1.5% 1.3% .5 .5 .5 .5 .5 2.3
Antifreeze 0 0 0 0 0 0 0 0 0
Water 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
Insolubles 0.2 0.3 0.4 0.4 0.3 0.2 0.5 0.3 .3
#2
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Thanks for the data! I assume this is Blackstone Labs data. What did they have to say about the Chromium and Iron numbers? They seem a bit high, especially considering you are using a synthetic oil. The highest mine have been using dino oil is 7 and 27. But I don't have a 6K interval to compare with your data either.
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One more thing. Notice the fuel went way up after I removed the Canzoomer box. In the future I'll have Racing Beat reprogram my PCM and see whats up.
Vince
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#5
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Originally Posted by RX3+5
They called me and talked with me about it. They were thinking apex seals going away.
Vince
Vince
Last edited by Go48; 01-11-2007 at 05:26 PM.
#6
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I just had the car in for it's engine check service and I have the Mazda engine war. extension. The FE is an average for all engines. From what I see from rotories in general FE runs a bit high.
Vince
Vince
#7
It can't be the apex seals as they are isolated from the rest of the oil system.
It sounds to me like the oil control rings, they are iron with a chrome plated lip. It is pretty normal for these to wear a bit, nothing to worry about as it would take a ton of wear on this part to cause a problem (and even then worst case is just burning a little more oil/slight smoking if its really bad, though ive never even heard of smoking from wear on the metal rings, only the rubber o-rings in them, so i think it's safe to say that they last longer then the motor will.)
What i find HIGHLY interesting is the high ammount of moly in the factory fill. I've allways been of the opinion that rotaries still using OMP's LOVE high moly oils.
Interesting that the factory wouls use such an expensive additive in a factory fill,..
It sounds to me like the oil control rings, they are iron with a chrome plated lip. It is pretty normal for these to wear a bit, nothing to worry about as it would take a ton of wear on this part to cause a problem (and even then worst case is just burning a little more oil/slight smoking if its really bad, though ive never even heard of smoking from wear on the metal rings, only the rubber o-rings in them, so i think it's safe to say that they last longer then the motor will.)
What i find HIGHLY interesting is the high ammount of moly in the factory fill. I've allways been of the opinion that rotaries still using OMP's LOVE high moly oils.
Interesting that the factory wouls use such an expensive additive in a factory fill,..
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