J.C. Performance Dyno Tests

Dynojet Model 150 Chassis Dynamometer Test Data

Test name/title: TEST.001  HARLEY 1340. ALL STOCK. 4th GEAR ROLL ON
Test date and time: 08/19/92 10:58 am
Acceleration from 3000 to 6000 RPM, interval = 250

Absolute barometric pressure: 28.47 in.Hg.             
Vapor Pressure:  0.44 in.Hg.      
Intake air temperature:  80.9 deg. F                  
Gear Ratio:    58 RPM/MPH           
Correction Factor:  1.05 SAE net          
Correction Factor:  1.07 DIN 70 20          

        --Measured--  -Corrected SAE-  -Corrected DIN-
Engine     T      P        T      P        T      P
RPM     ft-lb     hp    ft-lb     hp    ft-lb     hp    Time  
3000     58.0   33.1     61.2   35.0     61.9   35.4    0.000000  
3250     58.4   36.1     61.6   38.1     62.3   38.6    0.410206  
3500     58.3   38.9     61.5   41.0     62.2   41.4    0.845088  
3750     58.1   41.5     61.3   43.8     62.0   44.3    1.250771  
4000     59.7   45.5     63.0   48.0     63.7   48.5    1.678594  
4250     59.8   48.4     63.1   51.0     63.8   51.6    2.124118  
4500     59.8   51.2     63.0   54.0     63.8   54.6    2.543472  
4750     58.2   52.6     61.4   55.5     62.1   56.2    2.979581  
5000     56.0   53.3     59.1   56.2     59.7   56.9    3.393764
---- No more RPM Data available
------------------------------------------------------------  
Avg:     58.5   44.5     61.7   47.0     62.4   47.5