Safari Automotive Technologies

100 Series Land Cruiser with 1HD-FTE engine

RPM	Torque (Nm)		Power (kW)
RPM	Std	Dtronic	Std	Dtronic
1000	410	505	43	52.5
1500	430	525	67	82
2000	430	525	89.5	109.5
2500	430	525	112	137
3000	430	495	134.5	155
3500	410	465	149	170
3600	400	460	151	173
4000	270	310	113	129

Above: The torque and power figures, along with the dyno graph show the increase in performance provided by the Dtronic.

Second time around we found that the Cruiser was at least a gear higher on the winding climbs up the mountain and on the undulating sections, the Cruiser could hold top gear for much longer. Similarly, after slowing down for corners, you could plant your foot from very low revs in third and pull away whereas without the Dtronic, it required a downchange.

It’s obvious to see that this device would be a great benefit when towing or load-hauling and Luxon says that many of his customers are tradesmen who constantly carry a load or people who tow campers, boats or horse floats. The Dtronic has benefits off-road as well, especially where momentum needs to be maintained such as sand, mud and snow. It will also assist where constant low-rpm torque is required such as long and steep uphill gradients.

There is also a safety aspect to the Dtronic as it will certainly assist with quicker overtaking times and offer more torque in reserve when a vehicle is laden or towing so that less time needs to be spent on the wrong side of the road.

In the final wash-up, we’ve got to say that the Dtronic works. It is not just a hot chip that feeds more fuel to the injectors, it also tells the injection system when and where to put it.

It does give a significant boost to performance, especially down low, and it doesn’t cost the earth. You can have the Dtronic fitted for $1,495 and it’s transportable from vehicle to vehicle (as long as they have the same engine of course).

The only downside is that it is only suitable to later-model electronic controlled fuel systems and is not compatible with vehicles fitted with mechanical injection pumps.

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