Are overdrive units interchangable

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Mar 30, 2001 | 02:32 PM

elsmith

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Tuned

Joined: Jan 2000

Posts: 326

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From: Phoenix

Are overdrive units interchangable

I have a 67 F100 it has a 3spd column shift trans with overdrive on it. I am going to change the engine and was thinking about getting a toploader trans. Can the overdrive be taken off the 3spd and put on a 4spd toploader? Thanks Eric

Jul 15, 2001 | 10:52 AM

BobS

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Are overdrive units interchangable

Quote:

I'm new here and was going through the old posts and saw tthat no one had replied to you.

The overdrive will not go on to the top loader. I wanted to do this and looked into modifying the top loaders output staff, building an adapter plate to go between the OD unit and the back of the transmission. Way too expensive to get a custom built output shaft for the top loader.

You can use a top loader 4 speed which has third as the 1:1 gear and fourth as an overdrive. Believe these are called TOD transmissions.

Bob
'66 7 Litre Convertible, top loader, 3.25 Traction-lock, 427 Sidewinder Intake, 780 Holley, Windage tray, SCJ Exhaust manifolds, H-pipe, MSD, Line-lock, AM/FM/8-Track/CB
'88 F150 XLT Lariat, 302, 5 speed, 3.08 (but changes are coming soon)
'98 Mustang, 3.8, 5 speed
'99 Ranger, 3.0, 5 speed, 3.73 posi