Quote:
Originally Posted by Vekke
RPMs should start the push at torgue peak or rigth before it. On a 1.9 TDI that is about 1800rpm.
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Hi there,
that does not work for me (2.0 L TDI in VW T5 Van); I use much less fuel when accelerating if I do this from around 1200 RPM (as soon as the engine can deliver enough torque to accelerate).
Generally spoken, I have the impression that I use less fuel if I avoid full boost pressure, which comes around 1700 RPM. Since my setup does 1400 RPM at 56 mph (90 km/h) which is my preferred cruising speed, I am usually well below that. Upshifting early (<1600 RPM) does the rest.
BUT: I usually do not P&G, so things may be different when doing this.
so long,
tinduck