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Old 29th November 2014, 16:27   #1
gazcaz
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Cool KV6 Engine Oil

Ok is the best oil 5-40w fully synth or semi synth and which make i have always used Triple Q but i keep reading about cold start damage to KV6 or am i over reacting in which case what oil/Brand and i believe its 5.2 ltrs inc filter will be doing service next month so prepping.
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Old 29th November 2014, 16:43   #2
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Originally Posted by gazcaz View Post
... keep reading about cold start damage to KV6 ...
What's this about then Gary? I seem to have missed it.

Concerning viscosity, if you think that the ambient temperature in Worthing is going to drop below minus 20°C then get 5W40 oil. Otherwise MG Rover recommends 10W40 for your engine.

Regarding quantity, we have official advice that to minimise oil being drawn into the inlet manifold chamber, the level should be no higher than the mid-point on the KV6 dipstick. This equates to somewhere between 4.2 and 4.7 litres.

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Old 29th November 2014, 17:00   #3
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What's this about then Gary? I seem to have missed it.(Maybe it was meant for all cars Simon but was on a MG website hence it was said magnatex oil recommended)

Concerning viscosity, if you think that the ambient temperature in Worthing is going to drop below minus 20°C then get 5W40 oil. Otherwise MG Rover recommends 10W40 for your engine.

Regarding quantity, we have official advice that to minimise oil being drawn into the inlet manifold chamber, the level should be no higher than the mid-point on the KV6 dipstick. This equates to somewhere between 4.2 and 4.7 litres.

Simon
Thanks Simon for that 10-40w it is ,fully or semi ?
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Old 29th November 2014, 17:23   #4
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I've got for Triple Q 10W40 from ECP

This is more than enough for our cars, meets all ratings etc...

£19 for a 5L and 1L bottle!
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Old 29th November 2014, 17:30   #5
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I've got for Triple Q 10W40 from ECP

This is more than enough for our cars, meets all ratings etc...

£19 for a 5L and 1L bottle!

Hi thanks for that just been on there site doesnt show Triple Q only the following. http://www.eurocarparts.com/engineoil
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Old 29th November 2014, 17:31   #6
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Thanks Simon for that ... fully or semi ?
That's up to you. As far as MGR is concerned, the oil should meet ACEA A3 specification, and that's all. They care not whether it's mineral, semi-synthetic or fully synthetic.

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Old 29th November 2014, 17:35   #7
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That's up to you. As far as MGR is concerned, the oil should meet ACEA A3 specification, and that's all. They care not whether it's mineral, semi-synthetic or fully synthetic.

Simon

Ive always used fully synth thinking its better but i want the best as i can especially with our climate.
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Old 29th November 2014, 20:39   #8
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Originally Posted by SD1too View Post
What's this about then Gary? I seem to have missed it.

Concerning viscosity, if you think that the ambient temperature in Worthing is going to drop below minus 20°C then get 5W40 oil. Otherwise MG Rover recommends 10W40 for your engine........



Simon
Yes, the handbook states that 10w40 is the recommended oil for this engine.
However, it should be noted that these publications are now at least a decade old. The handbooks also take into consideration what is readily available at the time.
Today, if you were to key in your engine details and ask companies such as Castrol, Mobil or Shell for their recommended oil for a KV6 engine, they would recommend their 0w40 or 5w40 oils.

It is not just about minimum temperatures on start-up, but also the viscosity from ambient to operating temperature.

Below are various viscosity curves, above 0 degrees for 0w40, 5w40, 10w40 and I have also plotted 15w40 for comparison, as shown below:







If I were using an engine for shorter runs, I would be looking for an oil to give better protection during the warm up phase from ambient to engine operating temperature. This is because it would spend more time proportionally in comparison to a car used on long motorway runs.

I would choose a 5w40 or 0w40 in this case.
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Old 29th November 2014, 20:54   #9
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I used to use 5/40 for my old K series runabout as it definitely stopped the cam/tappet rattle quicker from cold start up on frosty mornings.
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Old 29th November 2014, 21:06   #10
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I use this: http://www.mymesra.com.my/assets/con...tium3000SM.pdf http://www.pli-petronas.eu/Browse.aspx?sezione=48

£26.00 for 5 litres from ECP delivered... And I use 4.7 litres to get the required level, halfway between Hi & Lo Marks on Dipstick.
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