Topic: 39 Mercury Mitch*ll overdrive


39mercury    -- 06-23-2024 @ 11:04 AM
  I have a 39 Mercury and purchased a Mitch*ll overdrive for it some time ago but have yet to install it. Any advice on installation or driving experience after installation would be welcome. Thanks, Steve Middleton Cicero Indiana.


ford38v8    -- 06-23-2024 @ 12:36 PM
  Haven't done one myself, but I understand that the rear floorboard needs a bump-up, and even then you may need to take speed bumps carefully.
Happy cruising!

Alan


42merc    -- 06-25-2024 @ 7:04 AM
  If your '39 Merc has one piece driveshaft / pinion, the install will require a pinion gear that uses a coupling sleeve.
I'll also guess that the rear gear is a 3:54 to 1 a pretty tall gear for an OD with a stock flathead, unless you live in flat country.

This message was edited by 42merc on 6-25-24 @ 7:11 AM


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