5W-50 should be fine - Saab 9000 Bulletin Board - Saabnet.com
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though I've been told by a number of people including a SAAB master mech that the Castrol synthetics build up sludge in the engine, which can be seen when taken apart. However they don't know if it's harmful to the engine.
We don't have Royal Purple or Amsoil here in Denmark (moderate climate), so I use Mobil 1. The grades I'd recommend, using fully synthetic oils are 0W-40, 5W-40 or 5W-50. The 0W-40 is supposed to be the most advanced engine oil yet. It makes coldstarts more gentle on the engine, but also protects it at the high temperatures found in a turbo.
Posts in this Thread:
- Best Synthetic Oil for Turbo in Moderate Climate?, brad, Sat, 28 Oct 2000 01:38:00
- Re: Best Synthetic Oil for Turbo in Moderate Climate?, Eddie Garrett, Wed, 1 Nov 2000 17:20:59
- Re: Best Synthetic Oil for Turbo in Moderate Climate?, Robert Davis, Sat, 28 Oct 2000 08:39:02
- 5W-50 should be fine, AdamB , Sat, 28 Oct 2000 06:00:11 <-- Viewing This Message
- 10W30...., steveC in BC, Sat, 28 Oct 2000 02:58:43
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