Quote:
Originally Posted by crazyinp
Quote:
Originally Posted by M5Rick
0W40 all the way,thin enough to get round the engine quick when cold and higher temp protection when using the revs. 5W30 is not recommended here as it's too narrow a viscosity range for all models 2011 to 2016.
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Here is really good article about viscosity
https://www.corvetteforum.com/forums...0-vs-0w40.html
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Very interesting! It looks like 0W30 might be a bit too thin? At least for the California summers and our engines producing immense amounts of heat.
5W30 would be a nice "in-between", but I won't run that since it's not recommended in both my online and physical manuals.
5W40 seems to be a no-go over 0W40.