How long do you let your car warm up?

SouthArk370Z

Depending on ambient temperature, it may take 2-3 minutes to register on the gauge. Maybe a bit longer in Winter in the higher latitudes.

A properly designed oil cooling system will have a thermo plate to limit flow to the radiator until temp gets close to operating level - ie, it won't make much difference in warm-up time.

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THE BULL

Usually, some 370z will come without an oil cooler/warmer. The engine I have doesnt have one but after 5 minutes of idling it should register something at 80F ambient right?

SouthArk370Z

So the question is actually "Why doesn't my oil temp gauge work?", right?

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Spooler

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SonicVQ

I data log EVERYTHING on my G37...
In looking at the data and doing some quick math, here is an average temp increase from ambient temp:

• Engine coolant temp increases about 32F/min (18C/min) under light load < 3500 RPM
(until the thermostat start to open, then it levels off)

• Engine oil temp increases about 14F/min (8C/min) under light load < 3500 RPM
(without factory oil cooler)

Roughly right, on a 80F morning, it should take about 4-5 minutes (( 140-80) / 14) before the oil temp gauge starts to move.

And at a 60F morning, ((140-60)/14) it should take about 5-6 minutes for the gauge to move.


Is this accurate to what you have seen?

cv129

oh nice data!

Sounds about right per my experience.

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willdoms

During warmer months, I let it warm up for 30 seconds.

THE BULL

It would have been the question if id had not let it on for more time


So this was my issue, for the most part for some folks it takes 5-8 minutes. Mines took almost 15 minutes to register which finally did

Just following some standard forum ways. Better to reply on graves than create new ones. Just deal with the smell, it'll be fine


The engine is not in a car btw folks. It's on a stand running G37 wiring communicating with Z ecu and gauges. Since I barely have a loads on this it does take a loooong time for oil temps to register in the tripple meter while is inside a garage.

Thank again for the input.

Zyonara91

I never drive my car in the winter.

Spring and summer temps I stick by this rule: Start car, let it run for one min, drive under 2500 rpm until car warms up and I'm good to go.

Really, sitting there idling does no good, it's better to slowly drive your car until it gets to temps.

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zeeder

I wait for the initial drop from ~1500rpm to ~1200rpm and then try to keep it under ~4000 until oil temp shows 150*. Don't know if that's good, bad, or indifferent but that's what I do...lol.

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BettyZ

i start it up then aim a heat gun at the oil pan until temps hit 220.

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JARblue

That's probably safer than the propane torch I've been using...

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Rusty

You guys are doing it wrong. My one neighbor with the semi uses a big pan full of BBQ charcoal biscuits under the motor at night. After the charcoal burns out. He'll throw the cold ashes in the garden the next day.

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