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Synthetic motor oil

8536 messages,  Last post on Nov 21, 2009 at 9:34 AM

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#7637 of 8536
Re: mixing various synthetic oils [ruking1] by smokey75
Nov 11, 2007 (6:12 pm)
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Replying to: ruking1 (Nov 11, 2007 6:03 pm)

Thought so... thanks.
#7638 of 8536
Re: Mobil1 0w30 vs. Castrol synthetic 0w30 (German made) [smokey75] by smokey75
Nov 13, 2007 (8:07 am)
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Replying to: smokey75 (Nov 11, 2007 5:56 pm)

Since most agree that both of these are Group IV oils which one would you use if all things were equal such as price, availability, etc. Speaking of availability, I found the Castrol 0w30 at Autozone but have looked at Autozone, O'Reiley's Auto, Pep Boys, Walmart, Target, Meijer, Sam's, & Costco for Mobil 1 0w30 & can't seem to find it. Anyone have any suggestions?
 
No takers on this question?
#7639 of 8536
Re: Mobil1 0w30 vs. Castrol synthetic 0w30 (German made) [smokey75] by ruking1
Nov 13, 2007 (8:26 am)
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Replying to: smokey75 (Nov 13, 2007 8:07 am)

Actually the taker train already left the station on this issue. If you start in and around msg 7603, Robert 1955 asked a very similar question. Shipo and Ruking talked about the subject. Any questions about those posts or if any new ones that come up from that reading, just fire away.
#7640 of 8536
Re: Mobil1 0w30 vs. Castrol synthetic 0w30 (German made) [ruking1] by smokey75
Nov 13, 2007 (9:10 am)
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Replying to: ruking1 (Nov 13, 2007 8:26 am)

Actually the taker train already left the station on this issue. If you start in and around msg 7603, Robert 1955 asked a very similar question. Shipo and Ruking talked about the subject. Any questions about those posts or if any new ones that come up from that reading, just fire away.
 
So these 2 oils are pretty much seen as equals? Nobody thinks one is even a little better than the other? lol And anyone had any luck finding Mobil 1 0W30?
#7641 of 8536
Re: Mobil1 0w30 vs. Castrol synthetic 0w30 (German made) [smokey75] by ruking1
Nov 13, 2007 (9:18 am)
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Replying to: smokey75 (Nov 13, 2007 9:10 am)

Oh GOSH!! YES and NO!! ( *4)
 
The real keys are there statistical correlations!!?? Practically speaking, are the premiums worth the performance?
 
So for example, if PAR, I would convert all 5w30 applications to 0w30 in a heartbeat. Given premium, does the (so called ) performance advantage pencil out?
#7642 of 8536
Re: Mobil1 0w30 vs. Castrol synthetic 0w30 (German made) [ruking1] by ruking1
Nov 13, 2007 (10:01 am)
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Replying to: ruking1 (Nov 13, 2007 9:18 am)

Another example.
 
45,000 miles ago, I decided to go from the oem filled 5w20 conventional oil to 0w20 Mobil One. So I bought a supply of 1 qt bottles at discount. I have been getting between 38-42 mpg. Now I did notice (beginning with the first tankful) an IMMEDIATE jump in the RANGE of mpg (1-3 mpg) Now because of the decision to switch, I have not done an A/B test (but have noticed a distinct difference) let alone an A/B and BACK to A test.
 
I just recently bought some 5 qt containers of 5w20 Mobil One 23 bux and change. My perception is no premium or par to the 0w20. So it will be a no brainer to do the next oil change interval (20,000 miles) to see if there is a performance difference due to the viscosity difference of 0w20 vs 5w20. I swag little to no difference.But if there will be, I would anticipate 1-2 mpg difference.
 
So it is up to YOU (me, in my case) to decide whether the viscosity is worth either the premium or the discount.
#7643 of 8536
Re: Mobil1 0w30 vs. Castrol synthetic 0w30 (German made) [ruking1] by smokey75
Nov 13, 2007 (10:34 am)
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Replying to: ruking1 (Nov 13, 2007 10:01 am)

So it is up to YOU (me, in my case) to decide whether the viscosity is worth either the premium or the discount.
Actually I was just interested if anyone had a preferance between the 2 oils.
#7644 of 8536
9,000 to 20,000 OCI's...Shouldn't something like this be a new standard? by ruking1
Dec 02, 2007 (1:46 pm)
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Instead of which hydro cracked product is REALLY synthetic or NOT!?
 
Interesting article
 
..."LongLife Service regimes
The LongLife Service regime is so called because there are no set service intervals and, depending on how you drive your vehicle, and the conditions of use, a service will be required anywhere between 9,000 miles or 12 months (whichever occurs first), up to a maximum of 20,000* miles or 24 months (whichever occurs first)."...
 
http://www.vw.co.uk/assets/Longlife_servicing.pdf
#7645 of 8536
Re: synthetic oil is more efficient [johnroberts45] by oilanalystinc
Dec 06, 2007 (4:42 pm)
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Replying to: johnroberts45 (Sep 11, 1999 6:52 pm)

johnroberts45,
 
With a little more information I can provide you with oil and oil filter recommendations for your Honda. AMSOIL continually outperforms not only petroleum based products but all major synthetic competitors as well. Overall AMSOIL is the best lubrication not only for automotive purposes but in industrial, farm, compressors, and much much more!
#7646 of 8536
AMSOIL by oilanalystinc
Dec 06, 2007 (4:44 pm)
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Most people are ignorant too real facts when it comes to synthetics due to bad information, no information, or the inability to understand information.

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