Clutch LSD Oil Change Interval

Rusty · 11-03-2018, 05:07 PM

Quote:

Originally Posted by marrawi

Definitely love that oil cooler! But with an average 1 minutes per run on autocross, I will be shocked if I could boil the LSD oil. Going take my infrared thermometer to the next event and check the LSD cover temperature after each run. Thanks, Rusty!

When your lube temps get around 270F. It's starts to break down. This is the same for engine oil too. The higher the temp. The faster it breaks down. At 300F, it's cooked.

marrawi · 11-03-2018, 06:19 PM

Quote:

Originally Posted by Rusty

When your lube temps get around 270F. It's starts to break down. This is the same for engine oil too. The higher the temp. The faster it breaks down. At 300F, it's cooked.

Which is why I sent the oil after two events to Blackstone, it seems that the oil wasn't cooked.

Spooler · 11-03-2018, 08:34 PM

Quote:

Originally Posted by marrawi

Which is why I sent the oil after two events to Blackstone, it seems that the oil wasn't cooked.

If you do canyon carving it will be an issue. On the east coast, The Dragon is hell on diff fluid temps.

Rusty · 11-03-2018, 09:32 PM

Quote:

Originally Posted by Spooler

If you do canyon carving it will be an issue. On the east coast, The Dragon is hell on diff fluid temps.

Diff temps on the Dragon will get to 255F without a cooler.

Hotrodz · 11-04-2018, 08:46 PM

Quote:

Originally Posted by Rusty

Diff temps on the Dragon will get to 255F without a cooler.

The Dragon was the straw that broke the camel's back and why I got a MMA rear diff cooler.

Sent from my SM-G965U using Tapatalk

Spooler · 11-04-2018, 09:11 PM

Quote:

Originally Posted by Rusty

Diff temps on the Dragon will get to 255F without a cooler.

I was leaving a stinky trail behind me. LOL

marrawi · 12-10-2018, 03:40 PM

Quote:

Originally Posted by Rusty

When your lube temps get around 270F. It's starts to break down. This is the same for engine oil too. The higher the temp. The faster it breaks down. At 300F, it's cooked.

Hey Rusty, the diff highest temp was 170F after Autocross lap, but it got to 230F after high-way driving for 1 hour (with 60-70F weather). I called MA-Motorspots john referred me to Brian who said that those numbers are not bad and I might not need a cooler. Thoughts?

Rusty · 12-10-2018, 03:56 PM

Quote:

Originally Posted by marrawi

Hey Rusty, the diff highest temp was 170F after Autocross lap, but it got to 230F after high-way driving for 1 hour (with 60-70F weather). I called MA-Motorspots john referred me to Brian who said that those numbers are not bad and I might not need a cooler. Thoughts?

If you are using a temp gun. You are not getting a true lube temp. You could tack on another 10 degrees maybe more inside the diff.

What you got for doing a auto-x isn't bad. Street driving is getting up there. If you had a diff temp gauge. You would have a better idea of what's going on.

What gets me. Even the stock diff temps get up there close to cooking the lube.

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