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Best oil for 740 turbo 700

posted by  superglyde on  Fri Apr 15 02:29 CST 2005
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last visit: Mon May 21 09:42 CST 2007
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Any consensus on the best oil for 90 turbo? Synthetic or Castrol, 30w or 40w?
I'm hearing conflicting opinions ! Duh!








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Best oil for 740 turbo 700

posted by  Steve on  Fri Apr 15 02:31 CST 2005
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last visit: Fri Oct 24 07:16 CST 2014
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Mobil 1 5W-30 or 10-30 summer.








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Best oil for 740 turbo 700

posted by  Andrew in AL on  Fri Apr 15 09:45 CST 2005
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last visit: Fri Oct 24 06:17 CST 2014
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Ditto M1
--
"Be blessed in your quest'' 89 764 (110K), '94 940T (180K) , '92 745T (totaled 2-10-05 RIP)








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Best oil for 740 turbo 700

posted by  someone claiming to be Al on  Fri Apr 15 07:40 CST 2005 [RELATED]

Ditto on the Mobil 1 10W30 and a Mann/OEM oil filter. Don't worry about the 10W30 in the summer since Mobil 1 runs a little light.








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Best oil for 740 turbo 700

posted by  mcduck on  Fri Apr 15 02:53 CST 2005
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last visit: Sun Sep 9 11:47 CST 2012
[RELATED]

That, of course, depends on your summer, but the turbo bearings do, indeed, like thinner oil.
Synthetics flow better at low temperature and are more resistant to "coking" at high temperature than dino oil, so they're definitely your best bet.







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