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Ford Bronco 'Dyno Master 9000' Joke Dyno Chart - Stock vs Modified HP & Torque

Hand-drawn dyno graph comparing stock and modified horsepower and torque curves across RPM.

AI caption · Photo 280 of 1932

This is a hand-drawn, humorous dyno chart (labeled 'Dyno master 9000') uploaded to a 1989 Ford Bronco gallery. It is not a factory schematic or wiring diagram; it is a cartoon-style graph comparing 'stock' versus 'modified' engine output. The vertical axis is labeled hp/lbFT with markings at 150, 300, 1000, and an exaggerated 50000, while the horizontal axis shows engine speed in rpm at 1500, 2500, 3500, and 4500. Four curves are drawn: a blue 'Modified Torq' curve at the very top near the 50000 mark, an orange 'modified whorspower' curve rising and peaking around 4000-4500 rpm, a red 'Stock Torq' curve peaking near 300 around 2500 rpm, and a green 'stock whorspower' curve peaking modestly between the 150 and 300 marks around 3500 rpm. The comically exaggerated 'modified' figures (torque near 50,000) indicate the chart is a joke/parody rather than actual dyno data. A reader can learn only the general parody message that the modified engine supposedly makes vastly more power and torque than stock across the entire RPM range. No vehicle year, make, model, engine, or part numbers appear anywhere on the document itself.

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Frequently asked questions

What does this chart compare?
It compares four hand-drawn curves: 'Modified Torq', 'modified whorspower' (horsepower), 'Stock Torq', and 'stock whorspower', plotted against rpm.
What RPM range is shown on the chart?
The horizontal axis is marked at 1500, 2500, 3500, and 4500 rpm.
What values are marked on the vertical axis?
The vertical axis, labeled hp/lbFT, shows markings at 150, 300, 1000, and 50000.
What dyno is credited on the chart?
A blue diamond logo in the bottom-left corner reads 'Dyno master 9000'.
Where does the stock torque curve peak?
The red 'Stock Torq' curve peaks near the 300 mark at roughly 2500 rpm before tapering off.

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