Quote:
Originally Posted by slowmover
I think that has always been present in IC engines, not to be rude. I simply cannot think of a car I've owned from the 1960's forward that rolling into the throttle gave the best acceleration/fuel use. Throttle lag versus momentum. If it doesn't go towards excess fuel burn it is simply wasted at the tires, spinning or not.
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I agree you can waste a lot of energy pushing harder without gaining in an IC engine. I think the idea was specifically associated with Diesels as they are fuel controlled - more pedal, more fuel. A petrol unit the fuel delivered depends on airflow, throttle position, temp, boost (if you have a turbo) etc. If you floor it you just open the throttle wide. In a Diesel there isn't one, you just pump in more fuel.