Originally Posted by NIZMOZ

That's interesting. I race my 350z HR model and have no overheating issues with the oil or coolant. I have ran in 105+ degree heat, and the temp has only moved half way on the gauge. I used Amsoil and it has done well. Running up to hours at a time. No one has ever mentioned anything about overheating issues with the 350z. The only ones that do are the boosted ones.