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Thread: Oil of choice?
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Old 02-07-2013, 11:10 AM   #45
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Originally Posted by teamDFL View Post
I am not going to get in the middle of this as I have learned that talking about oil brands is a lot like talking about religion - too much passion, too much history, too little reliance on facts for anything productive to come of it. What I am going to say is that for anyone who is considering using their car (ST or otherwise) for HPDEs or track days please read my posts here - Engine Oil Weight

Remember, the SAE (label) viscosity tests stop at 212. That is well below what your oil will run when on track.
Most modern vehicles have a cooling system that runs at 190 deg. F.+ and the engine temperatures are far greater than 212 deg. F., especially on the cylinder walls.
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