Join Date: Apr 1999
Location: Midland County,TX, USA
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Re: Looking for torque/hp chart for 2001 7.3L PSD
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: DieselFan</div><div class="ubbcode-body">The engine is most efficient, according to the experts that figured this stuff out, at lower RPM's when the torque is at the highest. </div></div>
That's somewhat true, but not when loaded to the gills. At anything below around 1,900 RPM, you don't have enough horses to pull the load, regardless of torque. At the torque "peak" of 1,600 RPM, you'll do okay unloaded, but don't try to pull much of a load below 1,900 RPM with a stock engine.
With my hot-rodded engine, I can gross around 16k and get along just fine at 1,800 RPM, or when the road is flat as a pancake, I can even get along at about 1,750 RPM. But at 1,600 RPM there's simply not enough horses available.