Hi, Ed, I'm trying to figure the insolubles out, too. I left the original oil filter on my car for 5,000 miles and it collected lots of break-in material; the insolubles on my UOA came up as 0.5%. Blackstone says they're comfy up to a limit of 0.6%.

I agree, your use of M1 is probably cleaning your engine, which is definitely a good thing. I'm not 100% sure if this directly correlates with the level of insolubles found though! If you still have the used oil filter, you can cut it up and look down into the filter pleats to see any accumulated gunk in there, might be interesting.

This SAAB filter has _lots_ of filter media for its size, so I'm thinking capacity is not a problem.

There's another SAAB used oil analysis on Bob's where a Mann filter was used with LubroMoly 5W-40 oil for 10,000 miles; the level of insolubles was also 0.5%. Previously that same SAAB used a Mobil 1 oil filter and M1 10W-30 for 9,000 miles and the insolubles was 0.4%.

Someone ran a Purolator Pure One filter on a SAAB 9-5 V6 for 6,500 miles and the insolubles came back as 0.4%.

From these data it seems that the more expensive oil filters might provide a lower level of insolubles, but there aren't enough reports to make definite conclusions.. I will have my next oil analyzed (SAAB filter, M1 0W-40, car will have 10k, oil and oil filter will have 5k miles) and we shall see. Then I plan on running ACDelco Ultraguard Gold filters for 10k intervals also with M1 0W-40.. stay tuned!

Jason


posted by 24.46.48...

• Ed NC's used oil analysis, Jason 0W-40, Thu, 8 May 2003 18:08:33
  • analysis issues LONG, Dean, Fri, 9 May 2003 07:04:04
    • fuel contamination, Jason 0W-40, Fri, 9 May 2003 11:18:06
    • Speaking of iron..., Daniel, Fri, 9 May 2003 08:35:10
      • cast iron liners in alloy blocks, Dean, Fri, 9 May 2003 08:47:17
        • Re: cast iron liners in alloy blocks, Wesley Dunnington, Fri, 9 May 2003 09:03:38
  • If Ed NC does a lot of city driving, Saab 0W-30 ..., J, Thu, 8 May 2003 19:38:59
    • Re: ok Lucy, 'splain soneting to me..., Ed NC, Fri, 9 May 2003 05:34:37
      • Yes, they're all 30wts, Greg Netzner, Fri, 9 May 2003 10:54:59
        • My biased ranking of Mobil 1 30 weight oils., J, Fri, 9 May 2003 11:17:34
          • I just gotta say..., Ed NC, Fri, 9 May 2003 12:01:05
          • Re: My biased ranking of Mobil 1 30 weight oils., Ed NC, Fri, 9 May 2003 11:59:03
      • As left out of NINES..., Stephen Goldberger, Fri, 9 May 2003 08:16:38
      • It's just Mobil 1's choice., J, Fri, 9 May 2003 07:40:10
    • VOA of Saab 0W-30., J, Thu, 8 May 2003 19:45:31
  • Ed NC: questions, Jason 0W-40, Thu, 8 May 2003 18:15:07
    • Re; Jason:, Ed NC, Fri, 9 May 2003 05:26:31
      • insolubles, Jason 0W-40, Fri, 9 May 2003 11:08:36 <-- Viewing This Message
      • Dealer oil, Greg Netzner, Fri, 9 May 2003 10:14:35
        • Re: my third change w/ M1, Ed NC, Fri, 9 May 2003 11:55:31
    • Ed, one more Q: you using a SAAB OE air filter? n/m, Jason 0W-40, Thu, 8 May 2003 22:51:47

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