TwinTurbo.NET: Nissan 300ZX forum - Re: If you drive hard, you'll want to go with something thicker
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Subject Re: If you drive hard, you'll want to go with something thicker
     
Posted by zcarmike on May 20, 2003 at 6:52 AM
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In Reply To If you drive hard, you'll want to go with something thicker posted by BigTDogg on May 19, 2003 at 04:38 PM
     
Message :The first weight is only when the oil is cold, so if you can let the engine warm up 5 minutes, a 10w40 would offer better protection.
:I just went 15w50 to be on the safe side, and I rock a solid 65-70 psi during driving.
:I'd be curious to know what you think of the 0W40.

I debated this for a while. Mobil 1 does not come in 10w40. Also, too thick of an oil can be even worse than a little thin. My oil pressure is about 5psi lower than yours, say around 55-60psi. The advantage is that at startup this stuff gets dumped right on those cams and upper-end which is a major plus.

Even though it's 0w40, it still is a 40w oil and being Mobil 1 is all the better. I'm going to leave it in for a while and see how she goes. So far though, the car is running nice and cool and the valvetrain is as quiet as a mouse, even at startup.

Mike

     
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