Vehicle & Technical > Discovery
300 TDi auto - good or bad?
gords:
How does a Discovery (300 TDi) cope / perform with an auto box? Is the gearbox generally a good - or bad - one? Is there much difference in performance (economy & speed) compared to a manual?
Guardian.:
have driven several, but none off road so cannot comment on that, but on road they are just sluggish and frustrating.
they were always 300tdi's, td5 is hopefully muchbetter, or v8 good.
Porny:
Hrmmm....
The 300tdi Auto is actually the most powerful 300tdi produced by Land Rover, but they are still slugish compared to a manual.
However, if a latter spec 300Tdi Auto then it will be ECU controlled and and a have a fly by wire throttle.
These can be easily chipped (i.e. remapped) and go reasonably well then... and they respond well to intercooler upgrades.
The earlier 300Tdi Auto's run a tweaked mechanical injector pump... again this can be 'adjusted' for more power and a better pick up, and a larger intercooler can be fitted.
Ian
gords:
So, which would be best early mechanical or later ECU - in terms of standard performance and "tuneability"?
When/what year did the ECU version start?
rommelsraider973:
I got an auto boxed 300TDi and its great!! The box has give me no problems since ownership(1 year now) Its on a 96 plate and the fly by wire throttle. Its spot on off roading , and at the end of the day its a 4x4 not a sports car , so pulling out of junctions etc will be a bit slower than normal!! Anyway , just floor it and you'd be suprised from the "kick-down" ......wouldn't swap mine for a manual!! No sir! :lol:
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