Using a thinner oil, would it be ok by baconbuttyman

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baconbuttyman
I have had a noisy lifter for a while now, last about half a mile till engin is warm then quietens down. Tried all sorts to stop it, new oil (3 times), wynnes lifter shuteruperer etc, nowt works, ok i know is goes after a min or two, but it's a real bug bear.
some on mentions on the OC that 40/5 oil may sort it as its thinner oil and has cleaning properties in it, would it be ok to run Jennifer on this oil for a month or two to see if it works. i dont want to damage the engine,
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Posted 08 May 2012, 08:06 #1 

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Duncan
I have no experience of this, but logic suggests to me if the car has a thicker oil specified, then using a thinner oil is not a good idea as oil pressure might end up too low to do the job properly.

BTW all oils have detergent / cleaning properties as far as I know.
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Posted 08 May 2012, 08:52 #2 

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baconbuttyman
yeah i thought that but wanted to know what you guys thought
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Posted 08 May 2012, 16:38 #3 

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James.uk
Why not take the rocker cover off and see if you can find the cause of the noise.. :)
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Posted 09 May 2012, 17:33 #4 

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JohnDotCom
Mobil 1 is 0/40 and had that grade of oil in car from first service no problem.
John

"My lovely car now sold onto a very happy new owner.
I still love this marque and I will still be around, preferred selling to breaking, as a great runner and performer"

Posted 09 May 2012, 19:00 #5 

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Gate Keeper
What does it say in the MGR manual?

Posted 09 May 2012, 23:13 #6 

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Duncan
Gate Keeper wrote:What does it say in the MGR manual?

10W40, rather than 0W40. However Mobil's website says 0W40 is fine for the diesels at least, in spite of MGR saying 10W40.
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Posted 10 May 2012, 07:07 #7 

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Gate Keeper
Thanks Duncan. I could not remember and I don't have access to the manual as I am away.

If Mobile are happy with 0W40 then clearly that is the way to go.

Posted 10 May 2012, 07:24 #8 


cdtman
Hi, I have been running on Carlube 5w40 fully synthethic oil for 3 yrs with no problem .

Posted 22 May 2012, 20:31 #9 


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