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Old 07-04-2011, 08:08 PM   #1
jasper24
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Default Oil used at the track

I track my car maybe once a month and I have been using 15-30. I am wondering if I should be using something different. Any help would be great!

Thanks
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Old 07-04-2011, 08:17 PM   #2
bhhamblin
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I use Mobil1 15w50 and have not had any issues. If you have not had any issues with the oil you have been running then stick with it. Most people on here will have different opinions.

What temps are the track while you are racing?
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Old 07-04-2011, 08:23 PM   #3
jasper24
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around 80-90ish...really all depends on where and when I go.
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Old 07-04-2011, 08:39 PM   #4
cessna152
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I do change my oil right before any events.
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Old 07-04-2011, 08:57 PM   #5
JamesWilson2
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Shell Rotella T6 5w-40 is a proven synthetic that is affordable and robust.
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Old 07-04-2011, 09:25 PM   #6
mulva
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Quote:
Originally Posted by JamesWilson2 View Post
Shell Rotella T6 5w-40 is a proven synthetic that is affordable and robust.
I've used Rotella T6 5w-40 in the summer at Pocono and NJMP with very good results on a built engine with looser clearances. I swear by the stuff. If any oil was lost during an event, it was negligible. I change the oil a few days before every HPDE just to be safe.
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Old 07-05-2011, 01:31 PM   #7
Rokkit
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It all mostly depends on the oil temps your running.

If you're at the normal operating range for 10w-30 and your bearing clearances are stock.. you can run 10w-30. if you dont have a cooler or something and you're temps are high as well as your bearing clearances may be a bit larger you can run a higher weight oil...

But I've run 20-50 Valvoline VR-1 for a year and with my new rebuild swapped to VR-1 10-30 due to stock blue-printing and operating oil temps.
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Old 07-05-2011, 01:35 PM   #8
chongl
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5W40 Amsoil AFL...have 19 row Setrab cooler and hit 265*, but temp probe was BEFORE the oil cooler.

Going to try the 10W40 AMO since it has better high temp shear resistance
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Old 07-05-2011, 02:48 PM   #9
Rokkit
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Quote:
Originally Posted by chongl View Post
5W40 Amsoil AFL...have 19 row Setrab cooler and hit 265*, but temp probe was BEFORE the oil cooler.

Going to try the 10W40 AMO since it has better high temp shear resistance
Also keep in mind Zinc/Phosphorous are the anti-wear components in oil. higher the better. VR-1 is pretty close to the Dominator amsoil stuff and is like 4$ per qt.
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Old 07-05-2011, 03:09 PM   #10
chongl
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Yeah the AMO has higher zinc content than the AFL. I'll check out the VR-1...thanks for the tip.
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Old 07-05-2011, 03:13 PM   #11
Rokkit
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Quote:
Originally Posted by chongl View Post
Yeah the AMO has higher zinc content than the AFL. I'll check out the VR-1...thanks for the tip.
NP, Valvoline just made a new Synthetic formula too if you don't want to go back to Dyno. The Syn is a bit more expensive of course.
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Old 07-05-2011, 03:52 PM   #12
Squidz
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Running Royal Purple XPR 10W40 in both the 2003 WRX and the 2011 STi Sedan. Was running just regular Royal Purple 5-30 untill recently my wife went back to drag racing and Royal Purple reccomended the XPR.

Havn't had a chance to run the XPR in my new built motor yet (still building)...but in my stock block 300WHP 2.0L oil temps/pressures were never an issue. Even here in the 100+ degree heat of Texas. Was not running an oil cooler on the 2.0L (other than the factory coolant one) and mostly ran autocross, so track speeds were much slower, but rpm was usualy higher. However, track days still saw no issues with oil temps and pressures under same conditions.
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Old 07-05-2011, 07:22 PM   #13
rjrutzky
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VR1 because it was on sale and I bought a ton. Before that, Rotella like everyone else. Just don't confuse it with Rotelle. I made that mistake once and had the whole paddock dipping tortilla chips into my oil pan.
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Old 07-05-2011, 07:29 PM   #14
HKS200
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subaru owners in australia use a truck oil called Mobil Delvac MX 15w40, I've been running it in my car for going on 15000km now and I have to say it works a lot better then the fully synthetic oils I've tried and it quietens down the boxer too. This stuff takes about 20 minutes in standard driving conditions to warm up to the normal operating temperature of around 89 degrees celsius.
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