Synthetic Oil - EnclaveForum.net: Buick Enclave Online Community
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post #1 of 769 (permalink) Old 04-17-2010, 09:19 PM Thread Starter
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Synthetic Oil

Hello

I am new to the forum and have new 2010 Enclave on order. I know the pros and cons of synthetic oil but what does the owners manual say if anything.

Thanks
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post #2 of 769 (permalink) Old 04-17-2010, 09:24 PM
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post #3 of 769 (permalink) Old 04-30-2010, 08:43 PM
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Re: Synthetic Oil

There are no cons when switching to synthetic with low mileage. Tons of cons using dino

2010 Diamond White Tricoat Enclave CXL2 AWD loaded with NAV; DVD Entertainment; 20" Chrome Wheels; Sun Roof w/Rear Skylight; Luxury, Convenience, Hit the Road & Towing Packages plus 3M paint protection.&nbsp; Tan Leather with Captain's Chairs in 2nd row.<br /><br />"Old" Clave was an 08 CXL AWD Loaded w/34K mile
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post #4 of 769 (permalink) Old 05-13-2010, 04:30 PM
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Re: Synthetic Oil

I run synthetic in all my cars after break in. The oil last longer between changes and I think the milage is little better.
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post #5 of 769 (permalink) Old 05-13-2010, 07:35 PM
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Re: Synthetic Oil

Synthetic oil does not thicken when it gets cold as severely as conventional oil. Therefore, your engine bearings, lifters, timing chains, and cylinder walls get lubricated much quicker after cold startup with synthetic oil. This fact alone justifies the extra cost of synthetic oil--even if you choose to change it as often as conventional oil.

Because of the better viscosity index (does not thicken as much when cold), your chances of the engine starting in below zero weather are improved, also.

If you don't believe the above, take a small transparent container of conventional oil and a second small container of synthetic oil of the same rated viscosity and put it in your freezer overnight. Then, see for yourself how much better the synthetic oil flows when cold.

As someone said above, there are no cons with synthetic oil--unless you consider the extra cost to be a con. As many of you already know, jet airplane engines would not run with conventional oil.

2009 CXL FWD with Tow Pkg.&nbsp; Red Jewel Tintcoat '09 purchased 10/08.&nbsp; Traded '04 GTO and '07 Grand Prix GXP.&nbsp; Getting Old?
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post #6 of 769 (permalink) Old 05-13-2010, 07:39 PM
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Re: Synthetic Oil

Quote:
Originally Posted by bocoogto
As many of you already know, jet airplane engines would not run with conventional oil.
Two completely different engines to try a comparison, but yes I agree there is no possible way a jet engine could run effectively on dino oil

[color=navy]07 FWD 4SA[b] 78U&nbsp; ,[b]<br />ABC,AP3,BS1,CJ2,C3U,DLT,DS3,E61,IP2,KA1,KV1,NP5,P CM,PDC,PDD,RCA,UV6,U42,V08,V92,XA7 <br />Blue-Gold & SLT1 President<br />8 Star Acadia God<br />Traverse moderator<br />Second Fastest Enclave freak: 73 days<br />Member # 4921
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post #7 of 769 (permalink) Old 05-15-2010, 09:34 AM
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Re: Synthetic Oil

For those of you that are COSTCO members, they have Mobil 1 Fully Syn. on sale for $9 off per 6 pack...limit 3. I picked up my three cases yesterday...$4.16 per quart...FANTASTIC deal

2010 Diamond White Tricoat Enclave CXL2 AWD loaded with NAV; DVD Entertainment; 20" Chrome Wheels; Sun Roof w/Rear Skylight; Luxury, Convenience, Hit the Road & Towing Packages plus 3M paint protection.&nbsp; Tan Leather with Captain's Chairs in 2nd row.<br /><br />"Old" Clave was an 08 CXL AWD Loaded w/34K mile
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post #8 of 769 (permalink) Old 05-15-2010, 10:22 AM
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Re: Synthetic Oil

Whether you use dino, faux "full" synthetic, or real synthetic be sure to read the posts about this topic as copperbeach noted. I certainly do not want to be crying wolf but there is enough good and hard evidence that the 3.6L DI in a Lambda trashes an oil, including Mobil 1, due to fuel dilution long before the OLM gets to 40% to 50%. I am almost wondering if a SM rated xW30 HD diesel oil would not be best for these engines since they are formulated to handle fuel dilution. However, until some more Used Oil Analysis come in that thought will remain just a thought.

I am awaiting some UOAs to show up for the 3.6L DIs in the Camaros to see it the engine in that light body beats up oil as badly as the 3.6L DIs in the Lambdas do.
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post #9 of 769 (permalink) Old 05-15-2010, 10:39 AM
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Re: Synthetic Oil

Quote:
Originally Posted by Lonestar
I am almost wondering if a SM rated xW30 HD diesel oil would not be best for these engines since they are formulated to handle fuel dilution.
Agreed. And unless I see some better UOAs for this engine using ILSAC GF-4 SM oils, before next November, I will use a 0W30 SM HDEO for the winter OCI.
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post #10 of 769 (permalink) Old 05-15-2010, 10:45 AM
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Re: Synthetic Oil

All the more reason to use a great quality fully synthetic oil and change it every 5K miles as I have stated over and over again The OLM is worthless in these vehicles

2010 Diamond White Tricoat Enclave CXL2 AWD loaded with NAV; DVD Entertainment; 20" Chrome Wheels; Sun Roof w/Rear Skylight; Luxury, Convenience, Hit the Road & Towing Packages plus 3M paint protection.&nbsp; Tan Leather with Captain's Chairs in 2nd row.<br /><br />"Old" Clave was an 08 CXL AWD Loaded w/34K mile
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