FLEX PLATE FOR FORDOMATIC


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By rontron - 7 Years Ago
I'm changing out the old flex plate with rivets with the new type and the one I see on Macs that is supposed to do that looks square......I don't know how square fits in a round hole.
By MoonShadow - 7 Years Ago
If you can find one I would replace that one with a full circle style. The riveted ones are a source of problems. Chuck
By rontron - 7 Years Ago
can you direct me to a new one that will fit?
By MoonShadow - 7 Years Ago
Maybe Carl Lynn, on this site can help. There are several people on here with a few y-blocks laying around. Hopefully one of them can help. Also check EBAY etc. I'll do some searching from this end too. If you do find one please post.
By paul2748 - 7 Years Ago
CASCO shows a flex plate for a Fordo, but it is marked for an air cooled.  Is there a difference?  I would start calling the Tbird part stores to see what they have.  If not available new for what you have, try Hill's in Ohio as they have a lot of used parts.
By rontron - 7 Years Ago
I found the flex plate on Macs automotive website..........I ordered it and now I need to know the torque setting for the 6 screw caps or bolts that hold it to the engine.........I have a shop manual but it doesn't list flex plate torque setting.......did they call the flex plate something different in 56 when the shop manual was printed?
By MoonShadow - 7 Years Ago
This is on EBAY today:  http://www.ebay.com/itm/54-55-56-57-58-59-60-61-62-63-64-FORD-CAR-TRUCK-MERCURY-THUNDERBIRD-FLYWHEEL-/142328078514?hash=item21236a20b2:g:9~sAAOSw4A5Y2YGE&vxp=mtr
By 57RancheroJim - 7 Years Ago
Thats a stick shift flywheel for a clutch????

By MoonShadow - 7 Years Ago
I guess I just saw the picture and jumped too quickly. Typical, sorry if it got your hopes up.
By paul2748 - 7 Years Ago
Probably the same as a standard shift flywheel.  Same size bolts were used but were shorter  I assume.

rontron (3/28/2017)
I found the flex plate on Macs automotive website..........I ordered it and now I need to know the torque setting for the 6 screw caps or bolts that hold it to the engine.........I have a shop manual but it doesn't list flex plate torque setting.......did they call the flex plate something different in 56 when the shop manual was printed?


By dennis22 - 7 Years Ago
paul2748 (3/29/2017)
Probably the same as a standard shift flywheel.  Same size bolts were used but were shorter  I assume.

rontron (3/28/2017)
I found the flex plate on Macs automotive website..........I ordered it and now I need to know the torque setting for the 6 screw caps or bolts that hold it to the engine.........I have a shop manual but it doesn't list flex plate torque setting.......did they call the flex plate something different in 56 when the shop manual was printed?






I wouldn't mind knowing the torque on those bolts, seeing that I over torqued 2 of mine and snapped them!

If anyone has an idea?
By rontron - 7 Years Ago
Moonshadow..    that is for a stick............we are talking Fordomatic .............flex plates are for auto transmissions.....
By oldcarmark - 7 Years Ago
The Torque for Fordomatic Flex Plate Bolts is 75-85 Foot-Pounds. If You go to the Engine Installation Information which is on Page 61 Chapter III in my 1956 Ford Shop Manual it is provided in the Text as part of the Instructions. Installation-Fordomatic. The Flexplate shown on Macs Antique Auto Parts Catalog is the Replacement which does away with the riveted "Ears" that would work loose on the Originals. One piece unit with Holes drilled for Torque Converter to bolt through. Part # 49-29785-1. $56.45.
By rontron - 7 Years Ago

thanks for the shop manual reference ..........I found it..........75 to 85 lbs...........
By rontron - 7 Years Ago
what needs to be mentioned here ..........it the six bolts that hold the flex plate to the engine are not exactly spaced the same and the spacers and flex plate only go on a certain way which would be very frustrating to a person trying to install one without knowing that............Thanks to Don Hyde of Plano Tx for that ..........Fordcraft