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The Terminator
Engine/Tuning
Whould you use Mobil 1 5w30 in 03 Cobra?
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<blockquote data-quote="Cobra'03" data-source="post: 121325" data-attributes="member: 3013"><p><a href="http://forums.stangnet.com/showthread.php?s=&threadid=130770&perpage=25&pagenumber=2" target="_blank">http://forums.stangnet.com/showthread.php?s=&threadid=130770&perpage=25&pagenumber=2</a></p><p></p><p>Jim: The above is a thread I and several other engineers participated in - it is the best synoil and oil thread I have seen on the Web - much good info. I was a tribologist (lubrication scientist) for the first 10 years post grad, later switching to computer engineering, but I am rooted in cars and have built, restored, and raced them for many years. (SCCA class C license). </p><p></p><p>To answer your question driectly, the answer is yes - i prefer to use a 5w30 synoil, and Mobil 1 is a good one, although I prefer both Amsoil Series 2000 0w30 and Red Line 5w30. I would not use a mineral 5w20. You might also consider 0w30 Mobil 1, as its flow rates when cold are comparable to a 5w20 minoil, and its high temp stability and shear stability are much better. I posted on this Forum on "why 5w20" and it wasn't to reduce wear. I have real concerns that in hi-perf use, there will be much more boundary lube (metal to metal) in a 20 wt oil as its film strength is much lower than a 30 wt.</p></blockquote><p></p>
[QUOTE="Cobra'03, post: 121325, member: 3013"] [url]http://forums.stangnet.com/showthread.php?s=&threadid=130770&perpage=25&pagenumber=2[/url] Jim: The above is a thread I and several other engineers participated in - it is the best synoil and oil thread I have seen on the Web - much good info. I was a tribologist (lubrication scientist) for the first 10 years post grad, later switching to computer engineering, but I am rooted in cars and have built, restored, and raced them for many years. (SCCA class C license). To answer your question driectly, the answer is yes - i prefer to use a 5w30 synoil, and Mobil 1 is a good one, although I prefer both Amsoil Series 2000 0w30 and Red Line 5w30. I would not use a mineral 5w20. You might also consider 0w30 Mobil 1, as its flow rates when cold are comparable to a 5w20 minoil, and its high temp stability and shear stability are much better. I posted on this Forum on "why 5w20" and it wasn't to reduce wear. I have real concerns that in hi-perf use, there will be much more boundary lube (metal to metal) in a 20 wt oil as its film strength is much lower than a 30 wt. [/QUOTE]
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Whould you use Mobil 1 5w30 in 03 Cobra?
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