hi deezal, would just like to say i agree totally with your comments, when i flush the cooling system i add low pressure air to turbulate the sediment and got loads out the first time, i also have a small electric fan on the front hot side of the radiator mainly for 40+ hot days and traffic jams, i have also fitted a z9 oil filter which gives slightly more surface area and an additional oil cooler fitted behind my front bar, my home made front bar also has a cutout to allow airflow through to the intercooler, i fill the overflow bottle nearly to the neck this keeps the coolant just above the heads but will raise the bottle as per your instructions the jeeps temp stays at 90 with a slight creep up to 95 on normal days and 95 to 100 on hot 35+ days yes i've had the heads off but only to change the welch(core) plugs which i managed without taking the turbo off but the back manifold bolts were painful, i've also played with the egr and have it back on at the moment but it is coming off again soon i got better engine response no smoke at all out the back and used 3 tanks of fuel adelaide to sydney and back plus all the driving around that you do as a tourist and no other problems.
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