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1989 Ford Probe Dynojet Dyno Graph: 189 hp / 231 ft-lb Runs with AFR Chart
Dynojet Research power/torque graph; best of two runs reaches 189.12 hp and 218.41 lb-ft (other run 174.48 hp / 231.13 lb-ft), air/fuel held near 12:1 across 3.25k-5.75k rpm.
This document is a Dynojet Research chassis dynamometer graph comparing two dyno runs, labeled RunFile_002.drf (red) and RunFile_001.drf (green). The correction factor is SAE with a smoothing setting of 5. The red run (RunFile_002) shows a maximum power of 189.12 hp and maximum torque of 218.41 ft-lbs, while the green run (RunFile_001) shows a maximum power of 174.48 hp and maximum torque of 231.13 ft-lbs. The upper chart plots Power (hp) on the left axis and Torque (ft-lbs) on the right axis, both scaled 100-250, against Engine Speed from 3,000 to 5,750 RPM. Torque traces run in the low-to-mid 200s ft-lbs between roughly 3,300 and 4,500 RPM, while power climbs from about 115 hp near 3,300 RPM to roughly 180-190 hp by 4,500-5,600 RPM. The green run ends around 4,350 RPM with a sharp drop, while the red run continues to about 5,600 RPM. A lower chart shows Air/Fuel Ratio on a scale of 8-20, with flat reference-style traces at approximately 12 and 18. The document was uploaded as part of an album ('dyno1.JPG') for a 1989 Ford Probe, though the graph itself contains no vehicle identification.
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Frequently asked questions
- What was the maximum power recorded on these dyno runs?
- RunFile_002.drf recorded a max power of 189.12 hp, and RunFile_001.drf recorded a max power of 174.48 hp.
- What was the peak torque on each run?
- RunFile_001.drf shows max torque of 231.13 ft-lbs, while RunFile_002.drf shows max torque of 218.41 ft-lbs.
- What correction factor and smoothing were used?
- The graph header shows CF: SAE with Smoothing: 5.
- What RPM range does the dyno graph cover?
- The engine speed axis spans 3,000 to 5,750 RPM (3.00 to 5.75 x1000).
- What does the lower chart show?
- It plots Air/Fuel Ratio on a scale of 8 to 20, with flat traces at approximately 12 and 18.
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