combine oils

mpatch · Post by **mpatch** » Fri Jul 18, 2014 2:14 pm

My last oil change put in 10W/30 blend. Because of few minor leaks, I was wondering if I could / should add a high mileage 10W/30 blend or just add what was already in and ask for high mileage at my next oil change, if I don't do it myself.

AwesomeJ10 · Post by **AwesomeJ10** » Fri Jul 18, 2014 2:58 pm

Why not fix the leaks?

(A little friday afternoon humor)

Post by **Stuka** » Fri Jul 18, 2014 4:46 pm

For daily driving I am sure mixing two different 10w30's is not going to cause any kind of issue. Under high stress conditions it most likely could cause some issues.

KJ Ryu · Post by **KJ Ryu** » Fri Jul 18, 2014 6:34 pm

As long as they're both the same grade (10w30), I wouldn't hesitate to use it.

letank · Post by **letank** » Sat Jul 19, 2014 10:16 am

To be frank.... I do a little mixing... rotella 15w40... a bit of zzdp and also some 10w40 blend or motorcycle oil always seemed to be added when I had those major losses.
In the end the cleaner the oil the happier the bearings are. We are not speed demons racing our engines over 4000 rpms.

haminawag · Post by **haminawag** » Sat Jul 19, 2014 12:55 pm

Just be sure you're not mixing a synthetic to your petroleum oil.

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combine oils

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