With my (very) light duty 3-cylinder TDI I can shift at 1800 rpm, but you can hardly speak of an acceleration. Engine speed falls back to 1000 rpm and there is no power. Besides, the engine will give a moody humm below 1500 rpm at load. It's a small engine and it has long gears ...
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Originally Posted by ssullivan
Curious what your practices are with regards to acceleration and shift points, and how it has impacted reliability.
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In slow-moving traffic or slightly descending road, I do switch gear at 1800 rpm. Then I see no problem in it, at light load it doesn't act so grumpy
But, if possible, I try to achieve the desired speed quite fast, with the lowest possible rpm's. So I switch at 2200 - 2300 rpm, the speed in the next gear will drop back to 1500 rpm, and that's the moment when the turbo kicks in. Done this for 80.000 miles without any problems. Engine (software) is stock - for now. It could benefit from a good remap, making more power available at low engine speeds.