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Can anyone tell me the differences between the set up on the 2 styles of engine? I know the 939 trucks use an air operated fan clutch and there is a linkage on the IP for the TV cable on the automatic transmission. Is the oil cooler different? Any intake or exhaust manifold differences? Anything internal such as crank balancing for the 809 flywheel vs. the 939 flex plate? Any IP calibration differences?
Thanks!!
Thanks!!