11-17-2020, 05:21 PM | #99 |
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So much shit slinging on this post. Guys, let people do whatever they want with their car/engine. People seem to be very headstrong when it comes to their beliefs, let them enjoy their car with whatever oil and/or oil cooler (or lack of). I have enough anecdotal evidence and data to form my own opinion, and so should everyone on this thread.
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11-17-2020, 05:23 PM | #100 | |
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Takeaways: Molasses = delicious Kerosene = not-so-delicious Would not recommend either of those for FA20 bearings! |
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11-17-2020, 07:27 PM | #101 | ||
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Where?!
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I've said where I'm coming from not because I think I'm 100% RIGHT, fwiw. it's an opportunity to see if I've missed something critical and am wrong! But I do feel confident enough in my position that when somebody asks "Is an oil cooler absolutely necessary?" in the context of post #1, I'm gonna tell them "no." Quote:
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11-17-2020, 09:24 PM | #102 |
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I didn’t see any saltiness in this thread and I’ve really enjoyed the links, graphs, charts and discussion.
The only thing that pisses me off is that all makes me want to go racing and I’m not back on track till April and that’s depressing... but also necessary to replenish the racing budget.
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11-18-2020, 12:32 AM | #103 |
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I mean, maybe thats now how you guys who are in the discussion perceive it, but to me, just coming to read the latests few posts it just looks like people with different opinions on the necessity and utility of oil coolers trying to convince each other that they have the hot potato.
@ZDan im not going to expose or detail my experience and data because it actually is much less scientific and detailed that everything posted here. But I also have seen enough "cases" to where I stopped believing in coincidences. |
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11-18-2020, 04:04 AM | #104 |
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11-18-2020, 04:34 AM | #105 | |||
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Looking at the charts posted I might go a little lower if running 30wt. I see autocrossers bouncing off the limiter after only 5 minutes of idling. Probably wouldn't get away with that in the days before synthetic oil. Quote:
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11-18-2020, 08:17 AM | #106 | |
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11-18-2020, 11:00 AM | #107 | |
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The higher viscosity used 0w-20 was from a friends car - 5000 miles and I think 4 track weekends (daily driver). Not sure what brand - I'll see if I can find out. The used 5w-30 (Castrol Edge 5w-30) is my car again, with 4400 miles and 6.5 track weekends. |
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11-18-2020, 11:09 AM | #108 | ||
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Any time this subject comes up, you can bet I will share my thoughts with people who want to track their cars but don't want to hassle with getting an oil cooler. I look forward to the day when it becomes common knowledge and I no longer have to explain at great lengths that no, you don't *HAVE* to run an oil cooler. Quote:
It would be GREAT to have a database of FA20 engine failures with specifics like month of production, mods, miles, track hours, type of oil and rate of changes, etc. Then would could do some analysis and see if there *is* a correlation between engine failures and lack of oil coolers, or if other factors are more significant. Actually we'd also have to keep statistics on tracked cars with engines that don't fail as well. Doesn't tell you anything if XX% of failures were with cars that didn't have an oil cooler if you don't know how many of the total population of tracked cars have an oil cooler... Last edited by ZDan; 11-18-2020 at 12:25 PM. |
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11-18-2020, 12:31 PM | #109 | |
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A poorly designed undersized oil cooler might actually make things worse by causing a large pressure drop and not reducing oil temps significantly. Worst of both worlds. Conversely a well designed, properly sized oil cooler that keeps temps in the 220’s and doesn’t create a large pressure drop would be undeniably beneficial for oil pressure on the track, especially paired with a 30 weight oil. As with all things it’s likely to come down to the details.
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11-18-2020, 01:16 PM | #110 |
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Slightly off topic, but with gen2 release, nice to see they threw in their basic oil cooler into the car. Might be the perfect fix to more extreme temperatures. We'll have to see how it plays out.
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11-18-2020, 01:29 PM | #111 | ||
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11-18-2020, 01:30 PM | #112 |
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You are 100% right, engines fail under all sort of circumstances and I have 0 ways of proving you are wrong at all. But based on what I've seen on track used cars, I'll stick to my approach. Like they say, YMMV. I also think there are a bunch of people who dont understand that because your oil can and will survive being held at 272F for a whole track day, that does not mean you can also do 5k miles oil intervale changes (while doing track work in between as well). Oil does degrade faster the hotter it gets (and not only engine oil, but transmissions and diff oil as well, which is never mentioned here apparently).
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