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Old 05-22-2022, 04:40 PM   #7
rotorwrench
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Join Date: Jun 2010
Location: San Antonio, Texas
Posts: 16,367
Default Re: Overdrive Governor

When Ford & Lincoln/Mercury dealers were selling these systems they were competing with automatic transmissions from other manufacturers. They would tell the potential customer that they could pull away from a stop in 2nd gear and then shift to OD for around town driving. This made it a semi-automatic transmission in that the driver wouldn't have to manually shift gears. The clutch would only be required for starting out and stopping.

When going out on the road, I get on up to road speed before shifting into overdrive. It is ready to shift at 65 or 70 mph in the old 51 Merc. At some lower speeds, the car will lug in 3rd & over so I don't shift till it feels like it's ready. It may depend on the rear axle ratio. My old Mercs have the standard 3.91:1.

Last edited by rotorwrench; 05-22-2022 at 04:45 PM.
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