The Ford Barn - View Single Post - Merc-O-Matic / fluid in torque converter

rotorwrench · 03-20-2017, 04:13 PM

A lot of folks chuck them and change to a C4. They can be a bit sluggish till they warm completely up but that happens relatively fast on an air cooled set up. When they're right, they shift very nicely. Since they have no vacuum modulator, most adjustments for shifting characteristics are done with the throttle control linkage. This is where the newbies really get tangled up until they read up on all the OEM procedures. There are a few parts that are very hard to source new but not a lot and some of the later Borg Warner stuff can be used in them If you know the design. The guys that work on the 55 thru 57 Thunderbirds know them better than most folks. I still see used ones for sale on a regular basis in the various club periodicals & flea-pay/Hemmings.

03-20-2017, 04:13 PM	#10
rotorwrench Senior Member Join Date: Jun 2010 Location: San Antonio, Texas Posts: 16,436	Re: Merc-O-Matic / fluid in torque converter A lot of folks chuck them and change to a C4. They can be a bit sluggish till they warm completely up but that happens relatively fast on an air cooled set up. When they're right, they shift very nicely. Since they have no vacuum modulator, most adjustments for shifting characteristics are done with the throttle control linkage. This is where the newbies really get tangled up until they read up on all the OEM procedures. There are a few parts that are very hard to source new but not a lot and some of the later Borg Warner stuff can be used in them If you know the design. The guys that work on the 55 thru 57 Thunderbirds know them better than most folks. I still see used ones for sale on a regular basis in the various club periodicals & flea-pay/Hemmings.