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2010 SC 5.0 Range Rover MkIII / L322
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I would change it at 5 K mile intervals oil is cheap compared to the valve train components.
4K miles if you do a lot of stop and go
 

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2010 SC 5.0 Range Rover MkIII / L322
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2,252 Posts
think of this,
someone get a lease truck and follows the FROCI,
thats a change every 16k miles,
at 48K miles its had 3 oil changes.
Would you want a truck with a service history like that?
I certainly wouldnt,
working in a shop its easy to see the many problems created from long oil change intervals,
VS the cars that get frequent servicing.
usually oil issues effect the valve train components first,
followed by the engine seals and then crank and rod bearings.
Like I said oil is cheap compared to replacing all 4 cam phasers and timing chain and guide system.
 

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2010 SC 5.0 Range Rover MkIII / L322
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2,252 Posts
Fuddy with a new engine it will last longer if you lower the oil change interval,
I suggest 5K ESP if its a SC engine.
NOTE since these are direct injection engines using cleaner oil will result in longer valve seal life,
and thus the intake valves will stay cleaner longer before the supercharger has to come off and clean the intake valves.
 
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