Crankcase Oil Question - Rolls-Royce and Bentley Forums
 
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post #1 of 7 (permalink) Old 07-16-2019, 01:52 PM Thread Starter
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Crankcase Oil Question

Holy crap, I can’t wait until I can answer others questions about these cars. Thank you all for your help!

Question is: Is 15/W40 the correct weight weight for the 82-86 Spur? Also, am I reading the manual correctly? 10 quarts in the crankcase? If not then I made a mistake.
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post #2 of 7 (permalink) Old 07-16-2019, 02:57 PM
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What does your owner's manual say? Did you change the filter? What does the dipstick indicate?

LRL-41587C
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post #3 of 7 (permalink) Old 07-16-2019, 03:58 PM
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It depends on your engine condition. Is it consuming oil or not or njust a little.


For old engine, 14W50 or 20 specially in hot countries.
For an engine not using oil, 10 W40 is considered as a good standard


There is about 9 l with the filer, as far as I remember.
Put 8 liters then check dipstick
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post #4 of 7 (permalink) Old 07-17-2019, 12:37 AM Thread Starter
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Unfortunately the car didn’t come with an owners manual. As far as the dipstick goes, it shows that 10 is overserviced. But with the condition of the car and the missing and “replaced” items I can’t guarantee that it is the correct dipstick.

The car is burning oil based on the blue smoke that billows from the exhaust and the lack of compression in 4 of the 8 cylinders. I’m just wanting to ensure that I’m reading this correctly so I don’t mess up my new motor when I get it installed.
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post #5 of 7 (permalink) Old 07-17-2019, 07:48 AM
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I would search for an owner's manual on eBay and it will answer your recent question and provide info on everything else.

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post #6 of 7 (permalink) Old 07-17-2019, 01:12 PM
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Pat, I use Shell Rotella T oil in my Turbo R. It is a diesel oil that has the zinc that our older engines need and is a good viscosity.
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post #7 of 7 (permalink) Old 07-18-2019, 12:53 PM
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