Oil and heat... Experiment..

[1 SX]

Wow, this is a pretty good comparison Its a year or 2 old, but should still hold some value... maybe...

http://www.corvetteactioncenter.com/foru...ealer-cost.html

 

[hate2work]

Been posted here many times in the past. Still interesting though.

 

[CharlieJ]

Wasn't the guy who did this a member here?

 

[ZZman]

I don't see any value here. Your car will not see sustained heat like that. Oil is constantly circulating and being cooled. Plus heat resistance is one small part of an oils performance.