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- Air Cooled
- 3 forward speeds & reverse
- DG-200/200M - Used on V8 engines (232, 224, some 259)
- DG-250/250M - Used on 259 President engines
- Some with "M" suffix were 1st gear start
- Early literature indicates that 10W motor oil was the correct fluid, but can be replaced with Dexron-Mercon III.
- 3rd gear is not really a physical gear, but the hydraulic circuit canceling the torque converter action
engaging the clutch lockup.
- Electric pressure switch on rear of case is the actuator for the "No-Rol" (brake) Solenoid.
The No-Rol system was the counter part to the Manual transmission "Hill-Holder".
- These are "Air-Cooled". The pressure system cannot be accessed for an auxiliary oil cooler
The pressure taps on the case are only for diagnostics. Any bleed-off by running fluid
thru a cooler will drop pressure and affect operation
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