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M3 Track: Racing and DE Best mod for speed is learning to get the most out of what you currently have. Tracks and DE's is the place to start!


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Old Thu, Mar-14-2019, 04:55:27 AM   #1
maestro416
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Default Race Oil or Regular 10w60?

I have a built motor with the works... cams, pistons, etc etc. It's primarily for track days, but I do want to drive it occasionally on the weekends, to/from track, and do some backroad ripping.

What I'm trying to figure out is, would race oil be problem for mixed use activities? Particularly, when engine temps aren't really that high? On the flip side, if I'd have to use conventional oil - would that be bad for the engine?
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Old Thu, Mar-14-2019, 05:04:27 AM   #2
bigjae1976
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Default Re: Race Oil or Regular 10w60?

I could be wrong but I believe race oil tends to have higher amounts of additives which are not good for emissions equipment and catalytic converters.

I think youíll be fine just takes more care warming up the motor if your using a single weight oil.


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Old Thu, Mar-14-2019, 06:26:25 AM   #3
GmbH
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Default Re: Race Oil or Regular 10w60?

Interesting topic!
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Old Thu, Mar-14-2019, 11:56:28 AM   #4
Drewster
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Default Re: Race Oil or Regular 10w60?

I'd ask the person who built your motor, but it sounds like regular oil would be just fine.

If you do an oil analysis, you should be able to see how fast the additive pack breaks down over track events
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Old Thu, Mar-14-2019, 02:48:18 PM   #5
Solaris99
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Default Re: Race Oil or Regular 10w60?

Quote:
Originally Posted by bigjae1976 View Post
I could be wrong but I believe race oil tends to have higher amounts of additives which are not good for emissions equipment and catalytic converters.
Correct. Race oils have higher levels of "zinc" or, more accurately, ZDDP, which is bad for catalytic converters. Also, race oils have lower levels of or no detergents. You'll need to change it more frequently.
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Old Thu, Mar-14-2019, 04:07:42 PM   #6
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Default Re: Race Oil or Regular 10w60?

Total Quartz 10W-60 Synthetic Racing Oil is BMW approved.

http://www.totalspecialties.com/raci...synthetic.html

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Old Thu, Mar-14-2019, 04:19:42 PM   #7
maestro416
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Default Re: Race Oil or Regular 10w60?

I suppose then from an engine life/maintenance perspective, it doesn't make a difference I suppose? Race motors generally need rebuilds sooner rather than later, but I wasn't sure if running street oil would have an effect on that rebuild window at all
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Old Thu, Mar-14-2019, 04:22:43 PM   #8
bigjae1976
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Default Re: Race Oil or Regular 10w60?

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Originally Posted by maestro416 View Post
I suppose then from an engine life/maintenance perspective, it doesn't make a difference I suppose? Race motors generally need rebuilds sooner rather than later, but I wasn't sure if running street oil would have an effect on that rebuild window at all

Hard to say. I donít see a reason to stray from whatever brand BMW 10w-60 other than cost.


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Old Thu, Mar-14-2019, 06:11:23 PM   #9
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Default Re: Race Oil or Regular 10w60?

Ask your engine builder. Mine required the use of high zinc race oils to improve wear, but YMMV depending on your engine and its specs...

(More common in LS world and I run a built LS swap so no idea on a BMW race motor)
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Old Fri, Mar-15-2019, 02:17:52 AM   #10
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Default Re: Race Oil or Regular 10w60?

Use the 10w60, BMW spent a lot time doing the research on M oils. The high zinc lubricants are more beneficial to much older engines.


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Discussing Race Oil or Regular 10w60? in the M3 Track: Racing and DE Forum - Best mod for speed is learning to get the most out of what you currently have. Tracks and DE's is the place to start! at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)