No noticable increase in smoke etc, again due to less fuel applicationĤ. Fuel economy is about 8-10% better (only over 2 tanks) due to having to use less of the loud pedal, not because it's become inherently more efficientģ. For example, there is no longer a dead spot when changing from 1st to 2nd going up a hill without having to wring the motor to deathĢ. some increase in power (definitely noticible, no hard numbers) but the real benefit has been an improvement in driveability with a wider power band.
I'm happy to share the following insights based on my experience with a manual 1kz and a chipġ. I found this thread, it contains a lot of good information even if it takes a while to come to the surface. To my knowledge the Dtronic is no longer made, so that would leave the DPChip as the only one I know off that claims to do more than just add bulk fuel (such as injector timing).happy for anyone else to advise on this though.ĮDIT: After reading the thread below.maybe it doesn't do any more than extend the injector timing & adding more fuel that way. The 1ktze will not like loosing a hose, by the time you see something wrong its more than likely too late. I would advise this anyway even without the chip as your car gets older. I have an engine temperature monitor in which I can set the warning temperature & I can monitor it in difficult terrain or hilly country. This is something I have thought about before reconsidering a chip upgrade. Adding the extra horsepower will make overheating occur earlier if the cooling system is sub standard. The biggest issue with the 1ktze is it doesn't like to get hot.it won't overheat if all of the cooling system is functioning well, but a faulty radiator fan or a leaking hose/core would be enough for the engine to overheat. However if you use more power during acceleration then you will use more fuel. With regards to fuel usage, when cruising the efficiency of the engine should be on par with the original design. Jaywindy I'm in the same boat,looking at options, except mines a 2001 model.
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