Dave,
I fully understand what you mean by adding an intercooler to up the power in lovely warm Oz by cooling the inducted air.
The point I was making is that by adding one over here Nissan have compounded the inherent design flaws, and fully exposed the weaknesses of using poorly derived materials.
As for using the shells from a UK version D40, unless they have been made much more robust i.e. harder, I doubt very much that this would cure the problem.
Indeed I have a mate who has a D40 that has started making internal tapping noises, his car is being investigated by Nissan UK as I write.
The very latest shells may well be tougher, now that Nissan are (secretly)aware of the D22 defects, however officially they still deny there is a problem with the YD25DDTi!.
BUT, if they still keep their heads stuck in the sand and say/admit nothing how will we as loyal owners, ever know??????
That is why we as Navara owners over here are on our own, in solving these deficiencies, and totally appalled at the pathetic, couldn't care less, arrogant, attitude of Nissan UK!
Your Oz cars still use lead/copper shells, the same as our cars in the UK have done for an eternity, until we were dictated to by the EU parliament, so your engines will not suffer the same self destructive tendancies of our Nissans.
Regards,
Chris Vince