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I doubt the gearing would allow 135mph, diesel fuel burns a lot slower than petrol, diesel doesn't lend itself to high rpm on a std 2.5 litr 5 cylinder engine with a rotation mass meant for torque.

Its def possible, but you would either be running on the absolute limits of the turbo and fueling, with an ecu flashed to run an older tech engine with euro 3 controls. Or would need a vnt, larger injectors, a fmic and a td5 ecu heavily mapped with a seperate boost controller to manage the vnt.

Exactly. An ecu can only get the best out of the hardware. You would need a vnt for a start, or a bigger turbo.

I have the spare ecu, and one for a 1.9 tdi vw engine running the same pump. Im in the process of comparing the two. Im really keen to see if the 16bit bosch ecu will run the 300 tdi. Its looking quiet likely that it would run with a loom adapter. The main advantages of the vw ecu are 16bit...

To recalibrate a new v6 tdi ecu for the older td5 engine is ridiculous. Its not just as simple as flashing a map for a 5 pot. The newer v6 would have more control strategies for fueling and smoke control, but they would be of no use to an older euro 3 engine. Its not impossible, but its like...

What he said

And it should only build up boost to open the waste gate under load.

Basic diesel diagnostics; Is there excessive smoke, colour? Does it run up to temp ok? Is the return fuel line hot? How much fuel is being leaked off back to the tank at idle? Is there excessive diesel knock? Is the pump timing correct? Poor performance and mpg, if the fuel and boost supply is...

You have me thinking actualy. When I had a rover 220 coupe turbo 'tomcat', a common mod was to swap out the t25 cold side and cartridge for a t28, which provided more boost at lower charge temps. I wonder if it can be done to the 300tdi turbo to give more power and better econemy. the t28's are...

yep, basically its the exhaust side with the built in manifold which is unique to land rover. the cool-side could be off anything with a t25 turbo.

it is a t25 cartridge (bit you have in picture) with a t25 coolside, and a landrover own hot side. Part number ERR4893

It appears to be a t25

it was a garret unit, i will have a look now as i am at work and see what turbo it is

i like the idea of gas flowing the std cooler, might do that tomorrow morning as its all aly, see what gains can be had from the std unit.

You don't need to spend loads on an intercooler. The intercooler scrubs off some of the heat from the charge. The standard one is quiet small and suffers heat soak. This means, with the altered fueling, that it gets overcome by the extra heat and struggles to loose it quick enough. A larger...

Stalling it can be done by undoing the bleed screw on the fuel filter as said above. Works very quickly.

I think flow is the likely cause. Hot water leaves the cylinder head, to the matrix, then from the matrix to the lower rad to water pump pipe. The pipe out of the matrix is Luke warm to cool but the pipe into the matrix is hot. Might try flushing the matrix.

Cheers chap, I've just bought a fan spanner. Might whip off the fan and see if it helps. I like the idea of keeping the fan. If it is the fan I will buy a new one.

My 300 disco is acting strange. Did a thermostat and water pump change, gen parts. New coolant, bled up ok. Water pipe into matrix is hot, water pipe of of matrix is Luke warm. Heater blows warm , unless you race the engine and it will get hotter. Why.....????? Hahaha The viscus fan...

They won't draw air, I would say check the pump timing. The edc pump can compensate something like 7 degrees plus and minus. Anything outside this will not run. Anything at the edge of 7 degrees either way and it doses not have adequate room for further advance/retard. I may be wrong about the...