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Old 12-12-2002, 10:25 PM   #1
Austin
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Default Blackstone Oil Sample Report

Attached is a copy of my most recent oil sample report from
Blackstone Labs.

An explanation of the report is here.

I used a total of 22 gallons of 107 leaded race gas during this oil's life. Included in the 3840 miles on this oil was one full day of severe road track use, and several competitive autocross events.

Is the amount of lead contained in this oil sample commensurate with the amount of leaded gasoline used?

Should I be concerned with the amount of molybdenum in the sample?

Thanks for your knowlege.

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Old 12-12-2002, 11:22 PM   #2
mlambert
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Hrm...guessing the moly could be piston rings?

I wouldnt fret about the lead but I would if the next sample has the same amount in it and you didnt use any leaded race fuel.

Duno austin but that high moly could could mean that its time to think about....a....uhh....


rebuild



What all is moly in our engines?
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Old 12-13-2002, 12:00 AM   #3
nhluhr
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Quote:
Originally posted by mlambert
What all is moly in our engines?
nothing is pure Molybdenum, but it is a VERY common alloying element in steels.
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Old 12-13-2002, 12:08 AM   #4
teiva-boy
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Now that is some pretty trick info Austin.














Glad to see you using my FTP for some good. All I use it for is pr0n. Oh wait I didn't give you access to that did I?
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Old 12-13-2002, 12:32 AM   #5
drees
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Don't know about the lead, but RedLine oils have high levels of Moly in them. Moly is supposed to help prevent engine wear when the oil barrier breaks down.

Check with the guys on the forums at www.bobistheoilguy.com to be sure, though.
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Old 12-13-2002, 12:57 AM   #6
Austin
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Quote:
Originally posted by drees
Don't know about the lead, but RedLine oils have high levels of Moly in them. Moly is supposed to help prevent engine wear when the oil barrier breaks down.

Check with the guys on the forums at www.bobistheoilguy.com to be sure, though.
Thanks, very much!
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Old 12-13-2002, 03:48 AM   #7
Avedis
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Bob (the oil guy) works for Schaeffer's oil (or is at least a distributor for them), but if you've already taken a trip through the link, it becomes obvious before too long.

He is a pretty straight-up guy though. There was a link to a honda tech forum where he and a couple of other guys had about a 14-page discussion about oils. He was quite a bit less biased than I'd have thought he would have been... full of all sorts of knowledge and not afraid to share it.

--jeff
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Old 12-13-2002, 07:04 PM   #8
Austin
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drees - that's a pretty awesome forum! I've found the baseline numbers for virgin Redline 10w30:
Quote:
Aluminum 1
Chromium 1
Iron 2
Copper 0
Lead 0
Tin 0
Moly 613
Nickel 0
Manganese 0
Silver 0
Titanium 0
Potassium 22
Boron 15
Silicon 15
Sodium 15
Calcium 2521
Magnesium 7
Phosphorus 1028
Zinc 1005
Barium 0

SUS vis @ 210F = 61.7
Flashpoint *F = 435

TBN = 13.5
And my reply from Blackstone RE: my lead levels -
The lead level is actually fine, as long as you're using leaded gas. It makes it harder to see bearing wear, because if you had a problem with the bearings it would normally show up as high lead. Leaded gas masks the true lead reading, but we don't suspect you have a bearing problem. The other metals common to bearing wear still looked fine.
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