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More on Oil 850

posted by  darrenc on  Thu Aug 15 11:54 CST 2002
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Those numbers seem fine for a turbo charged engine. My S70 T5 on Amsoil 10W-30 has the following numbers in a 5K mile change.

NOX = 37.1
OXD = 15.6
Viscosity = 11.7
TBN = 8.3

With these numbers, I could easily extend the intervals to 10K. Next change will be a 7500 mile change. I'll analyze again and see where I'm at.

It's important to remember that all of these numbers are dependent on many variables. One thing that we all have in favor over many other vehicles is the size of our crankcase; it’s very large (6 quarts) relative to a small displacement (2.0-2.5). For example, a small block GM V8 typically has a 5 quart crankcase (5.0-5.7 L engines). For a given engine displacement, the more oil you have circulating around the engine, the longer the oil is going to last.

Does anybody know what the crankcase capacity is on a VW 1.8T?
--
1999 S70 T5






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