2005 Buick rendezous 190,000 miles would it make difference if I start using synethic oil?

2005 BUICK RENDEZVOUS
190,000 MILES
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DARRENS2
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Should I change to synethic oil.
Feb 25, 2012 at 12:48 AM
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RASMATAZ
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What are you trying to gain? If I were stick with the type of oil that's been recommended-
Feb 25, 2012 at 12:53 AM
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WRENCHTECH
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I agree with Ras. there's nothing to gain at this point and you could actually do some damage by switching now.
Feb 25, 2012 at 1:03 AM
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RASMATAZ
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Wrench, some islanders especially the young ones they says it makes their car run faster-is that true-lol
Feb 25, 2012 at 1:18 AM
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WRENCHTECH
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They also think a different air filter will gain 35HP.
Feb 25, 2012 at 1:20 AM
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CADIEMAN
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maybe purple oil but thats minimal
Feb 25, 2012 at 1:27 AM