2010-2012 Range Rover MkIII / L322, 2013 LR4 HSE Lux, 2019 RR L405 Autobiography LWB
Firstly a clarification on your knowledge of the Ford-JLR V8. The 06-09 4.4L NA and 4.2L SC are port injected and there is no VVT. The 5L, both NA and SC are direct injection and VVT.Great, so it seems the 5.0 n/a is the one to get.
Will post my findings.
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in my experience, the cam chain guide/tensioner and sprocket wear is product of owner neglect and possibly some poor quality parts supplies. I say this due to my family owning 3 5L LR’s; 13 LR4, 11 L322, 19 L405 LWB AB.We are original owners of each vehicle, all are professionally serviced by JLR schedule, except oil services every 7500 miles always using JLR spec 5122 oil, primarily the Motul version. My son has over 240k miles on his LR4, the L322 has 173k and the L405 has 23k. That’s over 400k miles, never any valvetrain noise. As for high pressure injection, the L322 had a high pressure stainless steel line split at a sharp bend near pump at around 100k. We never owned any 06-09 JLR products, my 2003 L322 disaster; 2 head gaskets, transmission, alternator in under 25k miles, chased me away from brand. In hindsight, every failure was BMW related which was further supported by my 07 M5 experience thus I returned to brand in 11. These vehicles, along with my daughters Evoque and my partners’ I-Pace have been quantum leaps in quality and reliability from my earliest Rover experiences, 94 D90, 96 RR County LWB and 03 L322. I would not hesitate to buy any JLR product in future however I’d only buy new unless I really knew previous owner and how vehicle was actually maintained.
I have driven the 06-09 L322 and L320. As V8’s go, it’s on par with the Ford branded Coyote V8 to which it is akin. Not the smoothest, quietest nor is it impressive in hp/L efficiency. Appears durable. The 5L is the version that finished grad school. Far more refined, quiet and efficient.