Operate the engine at nominal torque peak RPM, full
load, wide open throttle, for 5 minutes. Check the gauges,
and record the readings.
NOTE: Refer to the engine ‘‘Data Sheet’’ for the torque peak
RPM of the engine model being tested.
Operate the engine at maximum horsepower RPM and
Advertised Horsepower with a wide open throttle for 5
minutes. Check the gauges, and record the readings.
Compare the readings to those published on the appro-
priate engine ‘‘Data Sheet’’.
Caution: Do not shut off the engine immediately after
the run-in is completed. Allow the engine to cool by
operating it at 700 to 900 RPM for a minimum of 3 to 5
minutes to avoid internal component damages. This al-
lows the turbocharger and other components to cool.
Shut off the engine.
Make sure all instrumentation is removed before remov-
ing the vehicle from the chassis dynamometer.
Engine Run-In Procedure - Chassis Dynamometer (8-07) Engine Testing
N14Page 8-52
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