Looking for torque/hp chart for 2001 7.3L PSD - Diesel Forum - TheDieselStop.com
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99 & up 7.3L Power Stroke Engine and Drivetrain Discussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.

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Old 11-30-2007, 12:39 PM   #1 (permalink)
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Looking for torque/hp chart for 2001 7.3L PSD

I'm looking for a chart showing torque and horsepower over the entire RPM range for a box-stock 2001 7.3L PSD engine with an automatic transmission. A web link to such a chart or even a table with RPM's and torque plus horsepower would be fine.

FWIW, I believe there was a chart in the 2001 official F*rd brochure for Excursions/Super-Duty trucks.

Thanks in advance,
Richard
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Old 11-30-2007, 01:03 PM   #2 (permalink)
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Re: Looking for torque/hp chart for 2001 7.3L PSD

Here is one. This one is lower than the one you will see in the Ford info because Fords is at the crankshaft and thie one is at the wheels. But the curves should be the same.
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Old 11-30-2007, 03:58 PM   #3 (permalink)
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Re: Looking for torque/hp chart for 2001 7.3L PSD

That image link is broken.
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Old 11-30-2007, 04:33 PM   #4 (permalink)
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Re: Looking for torque/hp chart for 2001 7.3L PSD

works fine for me
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Old 11-30-2007, 07:56 PM   #5 (permalink)
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Re: Looking for torque/hp chart for 2001 7.3L PSD

I wouldn't believe that chart. Banks propaganda. Way Overpriced but quality items. Can get the same or better results for 1/2 the price.
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Old 11-30-2007, 08:46 PM   #6 (permalink)
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Re: Looking for torque/hp chart for 2001 7.3L PSD

So the baseline is wrong?
That's all the OP asked for, not your judgement on any vendor.
The 99 info may be low for a 2001 by a few...
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Old 12-03-2007, 10:17 PM   #7 (permalink)
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Re: Looking for torque/hp chart for 2001 7.3L PSD

http://photos.thedieselstop.com/data...7_3L_curve.jpg

Basic numbers are 505 lb/ft torque @ 1,600 RPM, and 250 HP @ 2,600 RPM. Sorry for the lousy scan, but the source in the brochure is pretty awful.

Scale is 550 torque at the top, 250 HP at the top, with decreasing increments of 50 as you go down the chart. RPM scale is 500 to 3,000, with increments of 500 RPM.
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Old 12-04-2007, 10:48 AM   #8 (permalink)
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Re: Looking for torque/hp chart for 2001 7.3L PSD

Thanks much all for your replies.

Smokey, that works perfectly. What I'm looking for is where the torque plateau starts and drops off on the 2001 PSD 7.3L. Even if it might be a few pounds off automatic vs. manual, I would think the shape of the curve would be the same.

I've adapted the principals of "progressive shifting" to my driving technique where I want (as much as I can in an automatic) the truck to shift and operate on the top of that torque plateau between 1,500 and 2,500 RPM. FWIW, the trucking company I worked at beat this into driver's heads at every opportunity. 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.
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Old 12-04-2007, 05:00 PM   #9 (permalink)
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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.
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