The Ford Barn - View Single Post - Transmission Swap; a 34 Ford for a 1940 Ford

Terry,OH · 01-06-2019, 06:41 AM

The 39 synchronizer is a better design then the 34 synchronizer. No mater what year transmission you go to you can have problems unless a rebuild is done. Rebuilding your 34 transmission can result in good shifting. The 39 trans needs later top shift and shift lever the 39 clutch arm has to be changed to 34 and the transmission floor cover will need to be modified slightly to accommodate the 38-39 shift top.

01-06-2019, 06:41 AM	#9
Terry,OH Senior Member Join Date: May 2010 Posts: 4,751	Re: Transmission Swap; a 34 Ford for a 1940 Ford The 39 synchronizer is a better design then the 34 synchronizer. No mater what year transmission you go to you can have problems unless a rebuild is done. Rebuilding your 34 transmission can result in good shifting. The 39 trans needs later top shift and shift lever the 39 clutch arm has to be changed to 34 and the transmission floor cover will need to be modified slightly to accommodate the 38-39 shift top.