Oil temperature

IDZRVIT

Motor oil - Wikipedia, the free encyclopedia

Did you take the time to read the above? If you did, try to comprehend what they are saying. If the oil is tested at 300F for 100 hours and the bearings (the most critical component in your engine) show minimum wear, then I interpret that as oil that is not breaking down at 230, 240, 260 or 300F and is protecting your engine. If you disagree with this then please explain what is breaking down the oil? Complications? The test standard for certification is again, running an engine (doesn't matter what engine is used) at 300F for 100 hours virtually non-stop!!!

G37 owners talking about oil means the same as Z owners talking about oil. Most know jack sh1t about how oils function yet they offer all kinds of 'expert' advice. And they still can't acknowledge that oils have improved greatly just in the past few years overcoming the 260F barriers of the past. You appear to be one of those that just can't accept or resist change. Please don't take offense because there are lots out there who think the same as you. Do some reasearch, and not BITOG, on what the test standards are that the oil is required to meet or exceed in order to be certified as an SM/SN and ILSAC. The link I provided is just a starting point for those who want to educate themselves on the test standards.

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'13 CTS-V Coupe: 6.2L LSA, 556HP

SouthArk370Z

+1. Comparing current lubricants to those of just 20 years ago is like comparing our VQ37VHRs to a late-'60s Ford 289 V8. They do the same thing - gas in, HP out - but the VQ is soooooo much different (HP/displacement, reliability/longevity, octane requirements, &c). Same with modern lubes - they are just a LOT better than they used to be (but then, much more is demanded of them).