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1957 292 - transmission options in a '54 Merc

Posted By mars54 Last Month
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mars54
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Hi,
 Currently I have a tired 2 speed Merc o Matic in my 1954 Monterrey. I looking for info if a FMX will bolt up without any adapters? if someone can point me in the right direction regarding resources on this subject will be appreciated.
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PF Arcand
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Question?  Is that transmission, similar to  a Fordomatic, not actually a 3 spd transmission? 


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same thing
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Mars, to answer your question, the FMX will bolt to your existing bellhousing by re-drilling the top two boltholes in the transmission case.  The bottom two holes match up perfectly.  If you put the memcomatic front pump on the FMX, then you can used your '54 flywheel and converter.  The input shaft will have to be swapped, which is a complete teardown of both transmissions.  If you want to use the FMX converter, it will have to be modified at its nose, and a '58 or later flywheel will be needed.  You may have to re-drill the drive bolt holes in the flywheel to match the FMX bolt pattern.  Those flywheels are hard to find nowadays.  At the back, a driveshaft will have to be fabricated, or you can use the merc tail shaft and tail housing and the driveshaft and rear mount will fit. 

John - "The Hoosier Hurricane"
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mars54
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Hi
Thank you for the response. I have received some input from others that maybe consider a C4 if i'm going to go thru this effort. Decisions decisions.
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junkyardjeff
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I am going through this with my 55 and this is what I am doing,I am using a 62 COM that bolts to the 55 bellhousing along with the 62 torque converter and flywheel and will use a 67 or 70 FMX valve body to get the D21 shift pattern.  I am still in the parts gathering stage and the only thing done is the 55 bellhousing is bolted to the 62 trans and after I get the 62 flywheel I will see how everything goes togather.


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paul2748
Posted 7 days ago
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Just a question - is there any advantage to a cruiso over a C4.  Neither are O/D's and it seems to me that using a C4 is easier to do.  I put a C4 in my 56 Bird.

junkyardjeff (8/2/2020)
I am going through this with my 55 and this is what I am doing,I am using a 62 COM that bolts to the 55 bellhousing along with the 62 torque converter and flywheel and will use a 67 or 70 FMX valve body to get the D21 shift pattern.  I am still in the parts gathering stage and the only thing done is the 55 bellhousing is bolted to the 62 trans and after I get the 62 flywheel I will see how everything goes togather.




54 Victoria 312;  48 Ford Conv 302, 56 Bird 312
Forever Ford
Midland Park, NJ

RB
Posted 7 days ago
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The advantage for the cruiso is you can source factory parts for a conversion, maybe even salvage yard obtainable..  To do a C-4 you need an adapter, which can be costly. C-4 is smaller lighter and has aftermarket support
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The last I priced a C-4 adapter kit it was over 800 dollars and that is not including the C-4 and having it gone through.


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paul2748
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But is the cost of the C4 that much more when you figure in all the miscellaneous parts for the other, which probably means an overhaul any way

junkyardjeff (8/2/2020)
The last I priced a C-4 adapter kit it was over 800 dollars and that is not including the C-4 and having it gone through.




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