Oil Consumption Acceptable Level

MJB · 01-03-2015, 03:26 AM

Quote:

Originally Posted by Merv

@ chuck
What weight of oil do you use? I'm thinking of bumping it up so I burn less. I actually was worried my engine wasn't broken in properly and that was the reason for my oil consumption. Would probably be a good idea to buy a oil catch can as well.

My Z was burning about 1qt every 3k miles on 5w-30. I switched to 0w-40 and went down to maybe a little less than 1/2 qt every 3k miles. I also started using an oil cooler. It seemed like that higher my oil temps were, the more oil I would burn. Once I had the oil cooler installed with 0w-40, I would rarely go past 200F, and then I wasn't burning as much.

Merv · 01-03-2015, 10:44 AM

Quote:

Originally Posted by MJB

My Z was burning about 1qt every 3k miles on 5w-30. I switched to 0w-40 and went down to maybe a little less than 1/2 qt every 3k miles. I also started using an oil cooler. It seemed like that higher my oil temps were, the more oil I would burn. Once I had the oil cooler installed with 0w-40, I would rarely go past 200F, and then I wasn't burning as much.

Right on,thanks for the reply. Yup,next oil change I'm switching to a bit heavier. I've been using royal purple. I'll have to research and see what all they offer in weight.

nis350 · 01-03-2015, 06:40 PM

I guess it made sense since cooler oil is thicker.... so it doesn't slip through the rings and valves as easily....

Quote:

Originally Posted by MJB

My Z was burning about 1qt every 3k miles on 5w-30. I switched to 0w-40 and went down to maybe a little less than 1/2 qt every 3k miles. I also started using an oil cooler. It seemed like that higher my oil temps were, the more oil I would burn. Once I had the oil cooler installed with 0w-40, I would rarely go past 200F, and then I wasn't burning as much.

Spooler · 01-03-2015, 10:06 PM

Quote:

Originally Posted by MJB

My Z was burning about 1qt every 3k miles on 5w-30. I switched to 0w-40 and went down to maybe a little less than 1/2 qt every 3k miles. I also started using an oil cooler. It seemed like that higher my oil temps were, the more oil I would burn. Once I had the oil cooler installed with 0w-40, I would rarely go past 200F, and then I wasn't burning as much.

This is very common with Mobil 1. It tends to break down at higher temps over time. Look at some NOAK Volatility test of it.

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