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Differences in Turbo Diesel Truck & SUV oil
Posted by Stephen Goldberger [Email] (more from Stephen Goldberger) on Fri, 25 Jan 2008 08:43:27
In Reply to: Re: Mobil 1 5W/40 Turbo Diesel Truck & SUV, pilotalx, Thu, 24 Jan 2008 15:04:47
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Biggest difference is high levels of zinc disomething phosphate, an anti-wear additive that is usually at .12% in diesel oil and "vintage" oil. The latest car oil (SM) limits it to .06%.
A second difference is increased dispersant additives for the purpose of preventing the inevitable soot that works its way past the rings in diesel engine from agglomerating into sludge balls. Seems like that would be a benefit for our 9-5s.
Finally, M1 5W40 TD oil checks in as a full 40 weight oil, with a HTHS viscosity north of 4, while M1 0W40 checks in as "just a smidgen too heavy to be called a 30 weight", with an HTHS of 3.6 (this versus 3.5 for Castrol 0W30, and the 3.5 minimum for ACEA A3/B3).
At the cold end, the difference between "0W" and "5W" is equivalent to a 5 degree C temperature change.
FWIW, I personally use a 5W40 synthetic diesel truck oil of a different brand.
posted by 70.126.233...
Posts in this Thread:
- Recommended oil for oil change, Carolyn, Thu, 24 Jan 2008 08:23:48
- 0 or 5 is fine at the low number..., Noel, Fri, 25 Jan 2008 10:28:49
- trying something different..., tonystarks, Thu, 24 Jan 2008 13:30:51
- I regularly go AutoZone for Mobile 1 0-40W, Herb Hirsch , Thu, 24 Jan 2008 13:22:21
- Most here use Mobil 1 0w-40, Phil, Thu, 24 Jan 2008 10:21:17
- Mobil 1 5W/40 Turbo Diesel Truck & SUV, MI-Roger , Thu, 24 Jan 2008 08:36:25
- Re: Mobil 1 5W/40 Turbo Diesel Truck & SUV, pilotalx, Thu, 24 Jan 2008 15:04:47
- Differences in Turbo Diesel Truck & SUV oil, Stephen Goldberger, Fri, 25 Jan 2008 08:43:27 <-- Viewing This Message
- Re: Mobil 1 5W/40 Turbo Diesel Truck & SUV, B Millar , Thu, 24 Jan 2008 15:27:38
- Maybe, maybe not....., MI-Roger , Thu, 24 Jan 2008 15:26:43
- A real deal at Walmart, PSB, Thu, 24 Jan 2008 12:37:52
- That 0-40 is hard but not impossible to find, TimBrown, Thu, 24 Jan 2008 10:29:13
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