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Andra



Member Since: 22 Sep 2015
Location: Scotland
Posts: 81

United Kingdom 
The Motor Oil Geek

https://www.youtube.com/@themotoroilgeek

Some good information from a Tribologist .
The viscosity video is interesting explaining how engines with timing chains chew up the polymer additives and I suppose that goes for wet timing belt engines as well .

The importance of priming a new oil filter video shows it takes 5 seconds to get oil pressure with a dry non primed oil filter whereas a primed filter has instant oil pressure .

The video cautioning against various aftermarket oil additives explains how they can actually damage the engine oil and are best avoided .

Good video suggesting the first oil change on a new engine should be done as soon as possible .

Fuel additives are good and have no issues with engine oils

Post #707293 20th Dec 2024 2:48pm
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Eastsoutheast



Member Since: 10 Jan 2023
Location: Wimblington
Posts: 120

United Kingdom 2012 Range Rover Vogue TDV8 Santorini Black

I highlighted the same thing in a recent thread on here. Our 4.4 TDV8 engines have heavy duty timing chains which are crushing our oil at a molecular level reducing its protection property’s. It’s mainly for this reason I prefer to change my oil every 3 to 4000 miles. 2012 4.4 TDV8 Vogue Santorini black ivory leather

Post #707320 20th Dec 2024 10:15pm
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dingg1



Member Since: 29 Jun 2013
Location: PORTUGAL
Posts: 1345

2007 Range Rover Vogue SE 4.2 SC V8 Stornoway Grey

^^^

Censored , but if it gives you peace of mind, crack on 👍

Post #707327 21st Dec 2024 12:07am
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JayGee



Member Since: 27 Jul 2021
Location: London
Posts: 3241

United Kingdom 2012 Range Rover Vogue 4.4 V8 Orkney Grey

Eastsoutheast wrote:
Our 4.4 TDV8 engines have heavy duty timing chains which are crushing our oil at a molecular level
- wait until you find out about what gear teeth do to the oil in the gearbox and you will be changing this every week Rolling with laughter 2012 TDV8 Vogue (L322)

Post #707346 21st Dec 2024 9:50am
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Eastsoutheast



Member Since: 10 Jan 2023
Location: Wimblington
Posts: 120

United Kingdom 2012 Range Rover Vogue TDV8 Santorini Black

Damn! I better start changing my gearbox and different oil every 3 to 5k also....

Just kidding and I know I am changing the oil a little prematurely but it's 1 extra oil service a year and gives me peace of mind. 2012 4.4 TDV8 Vogue Santorini black ivory leather

Post #707355 21st Dec 2024 11:59am
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SpitfireS



Member Since: 10 Jun 2019
Location: Mainz
Posts: 106

Germany 2012 Range Rover Vogue SE 4.4 V8 Santorini Black

As the guy states at first: it's about data.
How much data do the 3-4k mile oil changers have to SHOW their oil was done?
I'll be waiting... 2012 4.4TDV8
2000 Honda S2000

Post #707426 22nd Dec 2024 12:13pm
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Eastsoutheast



Member Since: 10 Jan 2023
Location: Wimblington
Posts: 120

United Kingdom 2012 Range Rover Vogue TDV8 Santorini Black

I assume one of the below statements is true,

Fresh oil retains all of its lubrication and protection properties throughout the manufacturer's specified service interval?

Fresh oil loses some lubrication and protection properties from new but remains within manufactorer spec for recomended service duration.

Fresh oil falls outside of manufacturer spec earlier than specified therefore accelerating engine wear.

If I believe either of the last 2 to be true it costs me £100 to replace my oil and filter earlier than recommended. Considering the cost of our cars and the cost of engine and turbo repairs its a cost i am very happy with.

I get the point about gearboxes but they don't have to deal with fuel or air (oxidisation) contamination like engines do. 2012 4.4 TDV8 Vogue Santorini black ivory leather

Post #707428 22nd Dec 2024 12:28pm
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SpitfireS



Member Since: 10 Jun 2019
Location: Mainz
Posts: 106

Germany 2012 Range Rover Vogue SE 4.4 V8 Santorini Black

There is only ONE way to find out what category the fresh oil of your choice falls in.
Step 1: buy the fresh oil you like.
Step 2: take a sample of the fresh oil and send it in to be analyzed (Virgin Oil Analysis / VOA)
Step 2.1: check out BITOG to see if others did the same before you and maybe you can compare your VOA with theirs to see manufacturing differences.
Step 3: Use the rest of your fresh oil in your engine.
Step 4: take a sample after 3-4k miles and send it in to be analyzed (Used Oil Analysis / UOA)
Taking (in-between) samples is an art in itself, one doesn't want to contaminate samples with dirt or the first bit of sludgy oil coming out of the drain.
Step 4.1: check out BITOG again to see if others with similar engines / similar oils posted UOA's and see what they got.
Step 5: compare results of STEP 2 with results of STEP 4
Step 6: decide what to do next (now the fun begins) 2012 4.4TDV8
2000 Honda S2000

Post #707432 22nd Dec 2024 12:47pm
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JayGee



Member Since: 27 Jul 2021
Location: London
Posts: 3241

United Kingdom 2012 Range Rover Vogue 4.4 V8 Orkney Grey

If you are doing very low anual mileage and also lots of short trips then a 2x yearly oil change is likley beneficial but not for the reasons mentioned. Oil temperature takes way longer to get up to to the level it will evapourate off water accumulation from cold start blowby gases than coolant temps and in winter this may not even happen. 2012 TDV8 Vogue (L322)

Post #707440 22nd Dec 2024 2:01pm
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Eastsoutheast



Member Since: 10 Jan 2023
Location: Wimblington
Posts: 120

United Kingdom 2012 Range Rover Vogue TDV8 Santorini Black

I have owned the car 2 years and done circa 11000 miles in total. I will use it more in the next 12 months but doubt I will cover more than 6 to 7000 miles max. I avoid very short journeys and if I go on a short journey I usually take it for a dtive afterwards to get it up to temperature. 2012 4.4 TDV8 Vogue Santorini black ivory leather

Post #707449 22nd Dec 2024 3:26pm
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