2012s on lots....where are the oil coolers?

Red__Zed

pretty much this. you basically are gonna stop cooling your engine when the oil temps get that high.

serious limp mode doesn't kick in currently til 300. that could be catastrophic.

Pharmacist

Not following your logic. The oil isn't generating heat by itself. It's getting heated by the engine. So if you cool the oil, you are helping to cool the engine. Also lets assume the oil reaches 280 fahrenheit (no idea what that is. I'm part of the 95% of the human population that uses metric units). That means the engine is already at 280 or even higher. So the coolant will already have to deal with that, regardless of whether or not it's also dealing with the oil.

Besides, given the huge difference in specific heat capacity between oil and water, and the fact that the volumes of both oil and coolant interacting in the cooler are so small, it's unlikely that there will be any huge change in coolant temperature.

What I'm really concerned about is whether that system will even be adequate at all to cool the oil. 99.99% of the problems with limp mode are due to sustained and aggressive track driving. Will that small and cheap cooler really be enough to prevent that from happening? If it doesn't then people will be hitting limp mode again and it will be the same complaints over and over again, and the same magazine articles bashing the Z again and again. Sure, the Z might last until lap 4 or 5 before shutting down, instead of lap 2 or 3, but still it's more of the same.

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ImportConvert

I think you guys will see coolant temps and oil temps that are MUCH more stable than you are used to. In my car, the oil and coolant are usually within 2-4* just cruising. When you thrash on it, oil temps will rise above coolant temps by a good margin. When you sit in traffic, coolant temps rise above oil temps.

However, it is a lot more stable, and I LOVE the fact that the liquids sloshing through my heads are of much more similar temperature, etc. It just seems better to me.

kenchan

780 for that?! hahaha!

b1adesofcha0s

So if Nissan does adjust the limp mode, then would that make it more difficult to retrofit this oil to water cooler?

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kenchan

do we hear from people in the middle east (where this unit appears to be standard for their region) complaining about limp mode from high oil temp?

Red__Zed

I haven't seen any of that crew tracking their cars

kenchan

i can almost see some idiot putting heatsinks on his oil filter and call it an oil cooler. does kalecoauto.com sell it?

Red__Zed

Gonna do some math when I get back tonight.


Curious if anyone has any numbers for heat dissipation off the rad as it sits, or Max dissipation?

theDreamer

Z1 may have some data as they were testing the OEM rad v. the CSF rad to build some logs to promote the CSF rad, I never got the data.

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Red__Zed

I will get in touch and see what they've got.

Guard Dad

Looking forward to seeing someone do a DIY retrofit.

Red__Zed

will be interesting to see if:
A: nissan will sell it without a 2012 VIN
B: a different radiator arrangement will be needed

Pharmacist

Why? If it requires a lot of fabrication and custom work you'd be better off going with an oil to air cooler instead, not to mention the better cooling effect anyway.

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onzedge

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