Can a good oil make your engine run smoother?

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kevin316i
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Post Sat May 13, 2006 11:22 am

After I changed the oil in the iS to a Duckams 10W40 semi-synth, it seems to be idling smoother and feel smoother when driving. Could this be due to the oil, or just a coincidence as ambient temperature are higher due to the good weather?

(BTW I'm not trying to promote Duckams, just stating what I used)
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orangecurry
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Post Sat May 13, 2006 12:01 pm

I'm sure the oilman will be along soon, but as oil breaks down over time, when you put new oil in, you would usually notice a difference on a not-new engine?

did that make any sense?
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kevin316i
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Post Sun May 14, 2006 5:31 pm

Makes sense, but it seems to be smoother than evein when the previous oil change was made (done every 3000 miles). Forgot to ask oilman :)
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agent006
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Post Sun May 14, 2006 5:52 pm

Yep, same with mine. Changed the years old sludge (could feel the grit in it) for Silkolene 5/40 fully synth and the engine is so much quieter, and feels stronger too.
dobbie82
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Post Sun May 14, 2006 5:59 pm

yeah I can vouch for duckhams, put it in a rattly 1.4 corsa, made it sound sweet! same for a mondeo i bought.

I bought cheap oil few weeks back... £5.99 for 5 litres... never will again! tappier than ever (have got some castrol gtx to go in when I do the full servie or hubby does it rather)
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