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Got my Blackstone Labs report back today. Looks like I found another culprit to my hard starting...

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Old 02-05-2007, 02:26 PM
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Default Got my Blackstone Labs report back today. Looks like I found another culprit to my hard starting...

<center><img src="http://i7.photobucket.com/albums/y293/FastA4Turbo/audi/BlackstoneLabsReport.jpg"></center><p>
Old 02-05-2007, 03:35 PM
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Your making me feel like I need to go get tested! Sitting at 133k right now
Old 02-05-2007, 04:24 PM
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$30 with a TBN ($20 without). I got my results in exactly one week emailed to me, PDF form.
Old 02-05-2007, 08:32 PM
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I'm not a fan of Syntec 5w-40. It went to a 10w-30, mostly from fuel...but still- no moly?
Old 02-05-2007, 08:59 PM
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The test doesn't lie... Do you have a reasonable explanation for it?
Old 02-05-2007, 09:03 PM
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I dunno what you mean. I don't think the fuel dillution accounts for 30+ppm Fe.
Old 02-05-2007, 09:47 PM
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Default I guess I missed by what you meant by "moly"

Looking at the report, overall what is your opinion of that sample and the condition of my car?

I'm currently on Pentosynth 5W-40. I'm thinking 4,500 miles on it then switching to 5W-30.
Old 02-06-2007, 07:33 AM
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Default How did you mail the oil sample to them? Any problems with the Post Office?

They always ask if you are shipping a "Liquid".
Old 02-06-2007, 07:58 AM
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Default I just used the automated mailing machine. It weighs your item, prints the postage

slap the postage on, and toss it into the mailing bin next to it.

That way there's no pesky human to get in your way. The machine assumes you tell the truth, lol.

They will send you a free sample kit that includes a pre-addressed container and info card.
Old 02-06-2007, 03:43 PM
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Default Fe wear's too much to be accounted for by lowered visc.No corresponding Cu from rings.

I'm no UOA expert, but I think there would be less Fe wear with 30 weight, without fuel dillution. Most VAG cars seem to run rich and thin the oil. All new VW 504 oils are 40 weight, maybe thhicker visc helps in general but 1.8t can and should run ok on 30 weight. Stay with 40 until you fix the fuel dillution except maybe German Syntec 0w-30 which handles fuel dillution well. When I mentioned Mo, it was in regards to the Syntec formulation.


Quick Reply: Got my Blackstone Labs report back today. Looks like I found another culprit to my hard starting...



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