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Re: So I'm guessing that
Posted by BobS (more from BobS) on Sat, 6 Nov 2010 14:35:32
In Reply to: So I'm guessing that, Noel, Sat, 6 Nov 2010 07:48:12
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The implication is that 0-xx weight oils of a specific manufacture’s brand may not have as much ZDDP as the heavier weights like 10W-30.
The concern is the flat topped cam followers and cams, like Saab has used from the 99's through the 9K's and beyond, can fail if there is not enough ZDDP to maintain a low wear surface film. Was this done to accommodate the older engines that tend to specify 10W-30 and 10W40 oils? Need to check if there is different API ratings for different weight oils?
posted by 71.38.17...
Posts in this Thread:
- a mysterious disease striking down old cars, JohnA
, Fri, 5 Nov 2010 19:38:58- Stronger chains, weak link...., Mike Lynch
, Tue, 9 Nov 2010 15:09:36 - Type of lifters in Saab B204/205/234/235 engines?, Tim, Sun, 7 Nov 2010 06:03:44
- Re: a mysterious disease striking down old cars, turbocon86, Sat, 6 Nov 2010 06:08:26
- ZDDP additives, DougM
, Sat, 6 Nov 2010 04:36:26 - Re: Saab 9K oil, BobS, Fri, 5 Nov 2010 22:54:45
- So I'm guessing that, Noel, Sat, 6 Nov 2010 07:48:12
- Re: So I'm guessing that, BobS, Sat, 6 Nov 2010 14:35:32 <-- Viewing This Message
- May be a tad over-reactive., Noel, Sun, 7 Nov 2010 07:20:46
- Re: May be a tad over-reactive., LesH, Sun, 7 Nov 2010 07:42:45
- Re: May be a tad over-reactive., Tim, Sun, 7 Nov 2010 13:20:08
- Mobil 1 0-40 in Boston, Slug
, Mon, 15 Nov 2010 15:22:10 - 0W-40 Availability, BlaaSaab, Wed, 10 Nov 2010 19:16:56
- Re: May be a tad over-reactive., Simon S, Mon, 8 Nov 2010 10:08:43
- 30 vs 40, LesH, Sun, 7 Nov 2010 19:02:34
- Mobil 1 5W-40, IanC
, Sun, 7 Nov 2010 18:56:52
- I know this, Les. I also know that, Noel, Sun, 7 Nov 2010 11:22:38
- Why I use a diesel engine rated oil in my 9-5, MI-Roger
, Sat, 6 Nov 2010 06:09:12 - Re: Saab 9K oil, pete
, Sat, 6 Nov 2010 05:19:58
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