Weird intake placement... Greddy?

[d4wt]

so i came across this pic:



the induction box you see on the bottom passenger side (left side of picture) of the grill area. i've seen it before on the greddy trubo kit but the pic above obviously does not had that installed.

any ideas on what this may be?

[86_ZN6]

Originally Posted by d4wt

any ideas on what this may be?

that's an oil cooler

[TyperRspec789]

It's an oil cooler...





















Second.

[Hardrock4445]

+3 oil cooler.

[d4wt]

lol wow i feel stupid, i guess the blueish color threw me off. looked like a filter lol

[Admiral Ballsy]

Why would this car (in stock form, anyway) need an oil cooler?

[Nightbringer]

As far as I'm aware, there isn't an oil cooler from the factory. On 80* days just driving down the highway with cruise set I see oil temps of 100-110* C. Now 100* days holding high RPMs at an autox/roadcourse event? Oil temperatures get QUITE hot, especially considering how light our oil is. 0w20. Most sports cars come with factory oil coolers. Not sure why ours didn't.

[Wes]

Originally Posted by Admiral Ballsy

Why would this car (in stock form, anyway) need an oil cooler?

Because even in stock form this car runs pretty hot, plus not a bad idea to stay cool

[Admiral Ballsy]

Originally Posted by Wes

Because even in stock form this car runs pretty hot, plus not a bad idea to stay cool

Can you define "hot" - as in, what's the normal oil temp range?

It certainly can be a bad idea to 'stay cool'...if you're not getting the oil hot enough - like at least 185F or so - then you're not getting the moisture out effectively.

[Wes]

Originally Posted by Admiral Ballsy

Can you define "hot" - as in, what's the normal oil temp range?

It certainly can be a bad idea to 'stay cool'...if you're not getting the oil hot enough - like at least 185F or so - then you're not getting the moisture out effectively.

Well on the street it isn't necessary, but for anyone planning to track I would recommend it. A member here showed that oil temp reached 230F at the track on a stock FRS

On Perrins blog, they said that when oil temps go pass 100C (212F) the car started to lose power.

[Admiral Ballsy]

Interesting...I'm pretty careful not to beat on my LS7 until the oil hits at least 170F or so, which can take almost half an hour of 'regular' driving. GM redesigned the oil cooler on the LS7 and LS9 a few years ago to actually heat the oil under cold-start conditions.

Of course, that's a little over ten quarts that has to heat up. But I've never seen it over 200F.

230F doesn't sound that hot, on the track. I have a hard time imagining how 100C oil could cause a power loss. Perhaps this is a correlation/causation thing?

But anyway, you gave me my answer, which is "it doesn't need one". Thanks!

[Foobar]

Originally Posted by Admiral Ballsy

I have a hard time imagining how 100C oil could cause a power loss. Perhaps this is a correlation/causation thing?

Here's the Perrin article mentioned above: http://blog.perrinperformance.com/pe...-s-oil-cooler/

[Admiral Ballsy]

That article confuses correlation with causation. The engine lost power and the oil is hot, so the hot oil must have caused the power loss. They reinforce the notion when they cool the oil and the power recovers.

Problem is, 100C is not really 'hot' as far as oil goes (synthetics aren't 'hot' until closer to 150C), and 80C is really too cold - you'll get contaminants in the oil that never burn off if you never get above 100C.

They're using the oil cooler to pull heat out of the engine...kind of a Band-Aid (actually, kinda like original Suzuki GSX engines, although they were designed for it).

Sounds more like either the thermostat is set too high, or the cooling system in the engine itself isn't very well-designed.

[qoncept]

Perrin's tests are inconclusive. The test wasn't scientific at all. Do 8 pulls on single car before and after an oil cooler, see power drop once in the before, then tell everyone hot oil pulls timing. Ignore ambient conditions and a million other factors. The test clearly shows the oil cooler works, but it doesn't say anything else.