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A turbo is a better driving experience on the highway. How so? I would perceive no difference between a turbo'd engine and a Naturally Aspirated one while driv
by kerryfalk 11y ago
A turbo is a better driving experience on the highway.
How so? I would perceive no difference between a turbo'd engine and a Naturally Aspirated one while driving on the highway at a constant speed. Engine responsiveness as per the parent poster would be the same within the city vs. on the highway.
There is no way to "solve" turbo lag.
I'd suggest researching variable vein turbos. BMW has done it very successfully in their e92 335s. Even resulting in a flat torque curve at very low RPM. It's impressive engineering.
- encoderer 11y agoI'm not sure how you drive on the highway, but I don't usually drive at a constant speed. Instead, when I need overtaking power, I have fast throttle response with a turbo that is already spinning. I'm not familiar with what BMW did for a 335, but I do know that the 335 is quite a bit more expensive than an A4.
- kerryfalk 11y agoEven at idle the turbo is spinning. Engine RPM at highway speeds isn't vastly different than engine RPM at city speeds (perhaps a few hundred RPM in the average car). Therefore turbo lag also isn't vastly different. Variable vein enables turbos to match engine speeds more quickly. Greatly reducing turbo lag.
- encoderer 11y agoCome on; it's not producing boost at idle which is clearly the point. Excuse the slang term "spinning". And I call bs. You're being argumentative. The debate wasn't highway vs "city speeds" it was highway vs cold stop. A more advanced turbo solves the problem in a car that is $15k+ more, and I believe you that it can reduce turbo lag. For that price range a twin turbo can as well. But there is still physics that cannot be overcome.
- deleted 11y ago[deleted]