a bit confused about straight 30 weights

[tig1]

Originally Posted By: HangFire
Originally Posted By: bubbatime

Your typical 5W30 synthetic oil is actually a very robust product. For instance, on the Corvette, they found that the oil temperatures were very high when the car was ran on a track. The engineers advised that an oil cooler needed to be installed on the car. The penny pinchers got involved, and it was decided that instead of installing oil coolers on every Corvette sold, they would specify synthetic 5W30 Mobil 1 oil instead. And this "thin oil" performs pretty darn good at those extreme track temps, they have found.


Yes, the new Vette performs so well the car goes into limp home mode due to heat after 1-2 laps around the track.

http://driveviper.com/forums/threads/8662-Be-careful-when-tracking-with-the-new-Corvette-C7-Z06

http://gmauthority.com/blog/2015/07/yet-another-c7-corvette-z06-engine-bites-the-dust/



This is a coolant problem, not an oil problem.

 

[HangFire]

Originally Posted By: tig1
Originally Posted By: HangFire
Originally Posted By: bubbatime

Your typical 5W30 synthetic oil is actually a very robust product. For instance, on the Corvette, they found that the oil temperatures were very high when the car was ran on a track. The engineers advised that an oil cooler needed to be installed on the car. The penny pinchers got involved, and it was decided that instead of installing oil coolers on every Corvette sold, they would specify synthetic 5W30 Mobil 1 oil instead. And this "thin oil" performs pretty darn good at those extreme track temps, they have found.


Yes, the new Vette performs so well the car goes into limp home mode due to heat after 1-2 laps around the track.

http://driveviper.com/forums/threads/8662-Be-careful-when-tracking-with-the-new-Corvette-C7-Z06

http://gmauthority.com/blog/2015/07/yet-another-c7-corvette-z06-engine-bites-the-dust/



This is a coolant problem, not an oil problem.


It's a system problem. It's not just the engine coolant that is over temp.

http://www.z06vette.com/forums/f5/z06-oil-cooler-kit-27224/

 

[bchannell]

I wouldn't get my knickers in a twist about what the manufacturers suggest for oil. If you follow one of the oil vs temp charts, (take your pick), you won't go too far wrong. I actually think T5 10W30 Rotella would be fine in all the engines. But then I think there's a lot of good choices for oil.

 

[DR1]

Just remember that Royal Purple makes a straight 30 fully synthetic oil. I use it in my kawi fx engine,and I love it!

 

[TiredTrucker]

I have grown fond of the Amsoil 10w30/30w in all my small gas motors, from zero turn mowers to portable generators. It is a straight 30w with no VI that has 10w30 cold flow characteristics so it qualifies as a 10w30. I assume it is primarily a PAO product. I use it for all my winter and summer needs and does a great job.

 

[NH73]

Originally Posted By: TiredTrucker
I have grown fond of the Amsoil 10w30/30w in all my small gas motors, from zero turn mowers to portable generators. It is a straight 30w with no VI that has 10w30 cold flow characteristics so it qualifies as a 10w30. I assume it is primarily a PAO product. I use it for all my winter and summer needs and does a great job.


I know that Amsoil really promotes that it does not have VII's in it. I wonder how many other synthetic oils are that way.