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Tracking / Autocross / HPDE / Drifting What these cars were built for!


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Old 08-13-2019, 03:40 PM   #43
Jordanwolf
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Originally Posted by strat61caster View Post
Didn't you read? He's gotta keep the pressure up, not chill.
Chilling the oil will result in keeping the pressure up. Unless I have been misinformed thus far.
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Old 08-13-2019, 04:12 PM   #44
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Originally Posted by soundman98 View Post
or my favorite

"wing, what wi...HOLY COW SOMEONE RUINED MY CAR WITH A UGLY WING!!! now i need to spend thousands to change it back!"
I feel attacked...



I only spent 600 bucks to get the frs wing holes filled and new holes drilled for the ts wing and then paint..


good news if i wanted to sell it. i can do it as a whole piece.

the whole car. 20k XD
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Old 08-13-2019, 06:29 PM   #45
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Originally Posted by Tristor View Post
Using heavier weight oil can help with pressure drops and is recommended for track use or any heavy use, even in the owner's manual (0W20 is normal spec, heavy use spec is 5W30 for this platform). But the temperature issues on this platform are well understand and reported, an engine oil cooler is the best, simplest, and most basic protection you can take to bring things under control under heavy use. There is absolutely no reason to avoid installing one if you are tracking the car, and a bevy of reasons why you should.
I've researched this extensively, and I haven't seen any evidence that the "high" oil temperatures the stock cars see of ~270F is necessarily a problem for "casually" tracked cars. I have seen tons of people *assume* that it must be, though...

Reasons one might *avoid* installing one:
$$$$, time, effort expended, overcooling of oil in colder temps, additional potential failure points, fire risk.

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An engine oil cooler is the first line in that defense... arguing against it while simultaneously pointing to the exact flaws it helps with is weird to say the least.
??? The thread I pointed to was about cavitation at high rpm, which they solved with a different pickup tube. I don't think that issue would be helped by an oil cooler.

Regarding pressure, here's some data from this thread:
https://www.ft86club.com/forums/showthread.php?t=91820

Note that while temps are 20-25F cooler with the oil cooler, the pressure is actually the same, ~7.5psi/1000-rpm for 5W30 oil, at ~250F with cooler or at ~272F without the cooler. I.e. any gain in pressure from running cooler oil is lost as pressure drop in the cooler.

My oil temps get up to ~272F, but always stabilize and never try to "run away".

In my opinion, the NEED for an oil cooler for limited tracking of stockish cars might be overstated...

I've mentioned this in other threads, but here it is again for reference only (not saying this definitely means anything for our cars!)
here's how Ford characterizes oil temperatures in '18 Mustang Factory Service Manual:
38-60° C (100-140° F) (low)
61-137° C (142-279° F) (normal)
138-146° C (279-295° F) (warm)
147-160° C (297-320° F) (hot)

Last edited by ZDan; 08-13-2019 at 06:41 PM.
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Old 08-13-2019, 06:48 PM   #46
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Measure twice (ok three times) CUT ONCE!

Don't add stupid mods that only a high schooler would appreciate, and you will be fine.

I screwed my side skirts to my car. There are holes on each side. My front bumper had a lip, I ripped it off; holes there too. Oh well. I also skinned the seats and added leather. It took long enough I would NEVER consider removing it. (I might not actually do it again, it was a PITA!)
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Old 08-13-2019, 10:53 PM   #47
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Quote:
Originally Posted by Clutch Dog View Post
I feel attacked...



I only spent 600 bucks to get the frs wing holes filled and new holes drilled for the ts wing and then paint..


good news if i wanted to sell it. i can do it as a whole piece.

the whole car. 20k XD
cheaper than me so far! bought a gt-r trunk lid for $600, replacement oem spoiler trunk lid for $300, and i still need to fill and paint it all...
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