Jae, who are you considering? It seems I've head good & bad about both Oil Analyzers & Blackstone Labs, but that's like anything else, right? There's also Dyson's Analysis & H.O.Penn Machinery's "S.O.S.". (H.O.Penn's currently offering discounts to Saab owners, & giving free virgin oil analysis for a baseline comparison to your used oil.) I think the biggest point is to use the same lab each time, as I've heard variances between labs is greater than variances within a lab.

As for the way the rest of this thread's going, I think Lawrence has a good point, & I'd like to see pictures of the inside of Ed's disassembled turbo after 150k miles on dino oil. Granted, oil's not the only thing which affects engine life, & Ed may be a kinder, gentler owner. And as API specs force the improvement of conventional oil, & refiners are forced to use Group II & Group III base stocks to meet the specs, it will hold up better than it used to. So If you're one of those folks still stuck on 2k-3k mile change intervals, don't mind creating lots of unnecessary waste or spending lots of extra time & money doing all those additional oil & filter changes, then I think the new SL oils will do quite adequately. Obviously, we know where my preferences lie.

The other non-"normal circumstances" point to be made is for longer drain intervals. Even though only one of my car's a turbo, I still run all my oil to 10k miles. Based on all the studies/articles/analysies I've read, any Group IV full syn will still provide more protection after 10k miles than the matching dino (Group I or Group II) will after 1k-3k miles. That alone is enough to make me use it. The rest of the benefits just make it that much sweeter. Oh, & not having to change the oil gives me more time to spend here.

Aren't you glad?

posted by 32.103.218...

• Who do you use for oil analysis?, J, Fri, 3 Jan 2003 13:07:26
  • Re: Who do you use for oil analysis?, Dick in Falls Church, Sat, 4 Jan 2003 17:18:52
  • Since this is no longer an oil analysis thread..., Greg Netzner, Sat, 4 Jan 2003 14:41:01 <-- Viewing This Message
    • I think that I'll use Blackstone Labs., J, Sat, 4 Jan 2003 17:26:28
    • Oh By the way, A Saab IS supposed to be driven hard, J, Sat, 4 Jan 2003 17:20:40
      • Hey! Thanks for reminding me..., Greg Netzner, Mon, 6 Jan 2003 01:33:52
  • Blackstone Labs (+), Jason 0W-40, Fri, 3 Jan 2003 13:34:31
    • Blackstone seems excellent..., Brian, Fri, 3 Jan 2003 21:33:09
    • Blackstone Labs on Synthetics, Noel, Fri, 3 Jan 2003 14:46:28
      • "normal circumstances" means Naturally Aspirated., J, Fri, 3 Jan 2003 15:26:40
        • Not sure I agree street driven turbo's need synthetic., Jim Moncrief, Fri, 3 Jan 2003 17:48:30
        • Good point, Jae..., Noel, Fri, 3 Jan 2003 17:43:30
          • Lest you're misled by Ed ..., J, Sun, 5 Jan 2003 13:28:02
    • Thanks Jason. n/m, J, Fri, 3 Jan 2003 13:52:47
      • Re: Thanks Jason. n/m, Lawrence, Fri, 3 Jan 2003 18:53:19
        • I think you wanted to respond to Noel. n/m, J, Fri, 3 Jan 2003 19:13:42
          • I was just reporting what Blackstone sez...n/m, Noel, Mon, 6 Jan 2003 10:33:32
            • I know. We were not hounding you or anything :-) n/m, J, Mon, 6 Jan 2003 11:46:03
              • I know. But this is a contentious issue!! :o) n/m, Noel, Mon, 6 Jan 2003 13:42:54

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