I had similar question and was strongly advised to get intercooler, silicone hoses, centre muffler and egt done and than pump tweak as if you change intercooler after tweak, you will probably have to re-tweak after.
I went to a diesel tuner who specialises in four wheel drives and had a lot of experience in Landy's.
Adding gas will make a huge difference, I did that last by a fellow on here and can dial it in or out to suit my performance requirements.
Wow, it goes up our eastern freeway with loaded trailer, family, dog and roofracks at 100km/h and still wanting to pull.
I relax a littlle though it does not pull much more that 600-65o degrees on the EGT gauge.
If you live in SA, welcome to test drive.![]()




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