oil change

ricky bobby

The service writer at the dealer said that they were getting complaints about oil temps and that the Nissan recommended ester oil should make it run cooler so i changed the oil, my oil temps are between 220-240 never been on the track, dont know what was in the Z originally but started using their ester oil at 700 miles and change it at every 1500 miles after that. have 5k on it now, oil temps are still the same, is the cooler made by nissan?

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AK370Z

These service writers NEVER cease to amaze me with their "new lines" . This ester oil has NOTHING to do with the engine oil temp. As per Nissan, the valvetrain noise is reduced when this oil is used. Though, a good synthetic oil will always have Superior high temperature stability and may even let you run a little cooler. But Nissan's "magic oil" isn't even synthetic. If I recall correctly, it's regular oil with ESTER additives

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VCuomo

Wow - next time you're at the dealer, ask your service writer how Nissan's ester oil lowers oil temp! I'd sure like to hear that explanation...

And you probably don't have to change your oil every 1500 miles - look at the Z's Owners Manual and pick the service interval that matches your driving conditions (most likely 3750 miles).

The oil cooler is a Nissan Motorsports accessory (link to thread on Nissan's oil cooler, link to thread comparing Nissan's oil cooler to Stillen's).

ddvette9

my tech told me Ester oil is good for 5,000 mile intervals. Which luckally im only at 3,000. I started this thread upset because I was due for an oil change but i ca hold off now for at least another 1,000 miles. BTW, the top tech at my dealership said what i was origiannly told to be wrong, that other oil can be used. The only difference is that he has heard is other oil besides the ester making our cars "louder". Anyways, hopefully I will figure out what to do over the next few months. Maybe I will just stick with ester for the life of the vehicle....Who knows

ricky bobby

thanks for the info, i'll give them the part # for the cooler and see what their response is but i think its time to find another service dept.

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