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Tracking / Autocross / HPDE / Drifting What these cars were built for! |
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08-23-2021, 02:44 PM | #43 | |
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Is this just from improper hose installation? I would expect a larger portion of the hose to be mangled up if it backed out, so maybe it was never seated properly? The right fitting also looks like it wasn't tightened fully. That could support the poor installation theory. I don't really know what I'm talking about, other opinions welcome.
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08-23-2021, 05:18 PM | #44 |
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For those concerned about running an oil cooler in colder climates
https://jacksonracing.com/product/fr...toroil-cooler/ |
08-23-2021, 06:44 PM | #45 | |
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08-23-2021, 07:00 PM | #46 | |
extra what?
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I don't know, maybe I give others too much credit. I've been guilty of that in the past. 'Proper' is a huge qualifier.
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08-23-2021, 07:41 PM | #47 | |
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On both of my track outings, my oil temp got up to 270F and I would back off. Took anywhere between 7-10 mins to get there. I likely have another outing in Sept and I will try lapping for 15-20mins to see if the temp will keep climbing.
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08-23-2021, 10:11 PM | #48 |
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I also just started tracking my DD recently and also just planning to go a few times a year. I decided to install the Forester oil cooler as a minimum precaution. Just the fact that it warms up oil quicker is nice to have for a DD anyway, especially since you mentioned you frequently make short trips. It's inexpensive and relatively easy to install (went with the under-the-throttle body route). Also easy to inspect the connections if you're worried about potential leaks.
On the two track days I've gone out to so far, oil temp peaked at around 240F; weather was between 95F-104F. Which leads me to my next point... Because my car is equipped with tires and pads that are more for spirited street use and not dedicated track, I was alternating 1-2 hot laps to 1 cool down lap to prevent brake fade, so I'm obviously not driving 10/10ths for the full 20 minute sessions that we had, so that helps with the oil temp as well. Track days are a casual/just-for-fun thing for me, so the cool down laps give me a break too; driving 10/10 for extended periods can be tiring. So point being, driving style and the way your car is setup are also factors to consider. If your scenario sounds like mine, the Forester oil cooler is great. On the contrary, if you have dedicated track pads and sticky tires that will allow you to drive 10/10ths for most of the session, the Forester oil cooler may not be sufficient and the Jackson Racing unit would be more suitable. |
08-24-2021, 01:03 AM | #49 | ||
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Also I'd imagine FA24's do produce more heat at full power due to extra horses. After all, heat is byproduct of making power. I'm assuming FA24 isn't just magically more thermodynamically efficient. Quote:
Either way, I know someone who had a Series.Yellow 2017 BRZ and his name was F., and he had his oil cooler fail at T1 at Thunderhill on the first out lap of the day. That happened before I decided to get an oil cooler for myself, so of course I was worried. I asked him what he had and he said he had a cheap oil cooler that's known to have bad fittings, and he installed it himself with friends. I personally went to a well known reputable local shop that specializes on 86's and they gave me a warranty on the install of a Jackson Racing cooler. YMMV. |
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08-24-2021, 02:08 AM | #50 | |
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I home-brewed mine, been totally trouble free but if there's something to learn from a failure I'd like to learn it.
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08-24-2021, 02:11 AM | #51 |
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08-24-2021, 07:44 AM | #52 | |
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Main reason is likely the same as why they have this type of oil cooler on Foresters, which are not likely to become track cars: Quicker oil warmup in cooler/colder temps. Another reason could be they can say "now it has an oil cooler!" which in light of all the boo-hoo-hooing over 270-275F temps on this forum is at least some consideration for them, I bet. And it wouldn't be a bad idea for them to ensure that oil temp is cool enough that running the specified 0w20 oil wouldn't be problematic at higher oil temps while tracking. Anyway, it's a part for them that's off-the-shelf and doesn't occupy a whole lot of space, tons of experience building cars with it, so not that big a deal to implement and not a big cost impact to them. For sure the OEM-installed oil cooler is going to be a lot less problematic on the new car than aftermarket oil coolers have been on 1st-gens. |
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08-24-2021, 08:54 AM | #53 |
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When I first took my car to the track, I figured I'd be getting an oil cooler but wanted to see what oil temps did for my usage first. 1st session I watched oil temp climb steadily to 270F indicated and honestly up to that point I assumed that yeah, I'd *have* to get an oil cooler. Was watching it and ready to back off and come in, but it quit climbing at just over 270 and held. I keep an eye on it every time I'm on track, it always holds just over 270F indicated, even in 95F ambient temps.
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08-24-2021, 01:27 PM | #54 | |
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I personally logged 110F ambient temp and 255F oil temp post cooler at Thunderhill in early June. |
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08-24-2021, 01:40 PM | #55 |
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Oil coolers, like most parts, are not install and forget. I check mine regularly(along with the rest of the car) and have had a fitting come loose.
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08-24-2021, 01:49 PM | #56 |
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Don't forget, heat exchange with the environment happens *at the cooler*.
If you don't have some sort of oil cooler aka radiator for the oil (heat exchanger), your heat exchange with the environment, for your oil, is literally conducting through the engine block, and then radiating into the engine bay. Ambient temps and oil temps on track have very little correlation without a heat exchanger. |
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