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Old 11-09-2011, 02:33 AM
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'50 Studebaker clutch

I have a '50 bullet nose Studebaker Champion with a 3-speed transmission with overdrive. It shifts upwards through the gears fine. When downshifting from 3rd to 2nd gear the clutch does not seem to be engaging.Any troubleshooting tips?

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Old 11-09-2011, 04:28 AM
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You shift linkages may be out of line....or.....If it is a trans with synchros, they are likely worn........It may not have synchros, as many older ones didnt have them. To make it downshift, there was an art called double clutching back then.You pushed clutch in, shift to neutral, release clutch, push it in again and shift to 2nd.....
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Old 11-09-2011, 06:14 AM
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frewheeling ?

On those old overdrives you could coast, roll with no engine braking. a feature to save gas. If after down shifting can you rev up the engine and have it finally start to pull.
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Old 11-09-2011, 06:24 AM
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overdrive info

Farna posted this a couple years ago

All the electric controls were pretty automatic and transparent. There was a centrifugal governor on the back side of the unit that closed a switch at 28-35 mph, depending on what the maker wanted. Above that speed let off the gas and the solenoid would push a locking pawl in place. The only other control as the kick-down switch. It was a ratcheting switch that had two sets of contacts, one closed and one open. When pressed (it was usually under the hood on the throttle linkage, engaged when pedal was floored) the first set of contacts opened, dropping power to the solenoid, and the second closed momentarily. As soon as the switch bottomed out and closed the second set it popped right back to close the first set. The second set grounded out the coil for 2-3 revs, letting pressure off the OD input and allowing the spring loaded locking pawl to pop back out. Lose power and it would drop OD as soon as pressure was off too. I kind of liked the system, ran one for a while as you can tell. Would still be running one if I could have found a V-8 unit before I replaced the engine in my Rambler. I had a light duty six cylinder unit, but it wouldn't hold up behind my built EFI six. Ran it gingerly for a couple years before I decided not to risk getting stranded any more! Looked for a V-8 unit the whole time, but none close enough.
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