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FMX or Cruise-o-Matic On a Y-block.

Posted By oldcarmark 5 Years Ago
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FORD DEARBORN
Posted 5 Years Ago
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kevink1955 (8/15/2019)


I started collecting parts 5 years ago and was almost ready to get underway when I had some health problems. I have just inventoried what I have and find that in addition to the bushing I also need the flexplate reinforcement ring
If it ends up being the bushing that is the show stopper, I would be willing to try machining something that may work at no charge. I mentioned possibly boring the inside of a standard Y-block pilot bushing, not drilling. I think it will probably be a wall thickness of around aprox. 1/10 inch?  I would have to have some accurate measurements of the converter hub in order to plan the machining. There may also be another way to skin this bushing cat and that is to turn a sleeve with an outside diameter that would be a slip fit in the crank and an I/D that would be an interference fit on the converter hub. Steel would for sure, be better in the case of a sleeve on the convertor hub and also would be much easier to install and remove, if necessary. There may be issues with this that I'm not aware of. Or, maybe there's a shop in your area that could do this?




Wish I could help with the flexplate but I only have 1 and you are right they are very hard to find




64F100 57FAIRLANE500
oldcarmark
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kevink1955 (8/16/2019)
Oldcarmark,  thanks for the info on the reinforcement plate, now I just need to find 1

As far as the bushing goes I did contact flat o years back and he did not want to sell parts.  I did some playing around tonight and found a common peice of 1 1/4 black pipe is not far off what I need


Y block crank recess 1.572  (y block 2 speed convertor I have (purchased in error) measures 1.570)
Black iron pipe OD 1.650  (I am sure if I look at the big box stores china pipe I could find something slightly smaller)
Black Iron pipe ID 1.385 
FMX convertor hub (not verified as my FMX is in storage) 1.375
 
I am willing to bet that if I cleaned up the black iron pipe a little I could make it a tight interference fit and when driven into the crank recess the inside diameter would tighten up just enough to make a perfect fit for the FMX convertor.

Nothing will be happening till winter but does anyone (besides me)  think this will work??

Got to do this soon as my days of bench pressing trannys is coming to an end,  old age sucks


Not sure why they only call for One thicker Plate rather than using several Thinner Ones like the Ones supplied with replacement Flex Plates for 55-56. There is a Set of those on Ebay. I am not sure of the Bolt Pattern.

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oldcarmark
Posted 5 Years Ago
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Ford Dearborn there is no reply with your Quoted Post.

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oldcarmark
Posted 5 Years Ago
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I am going to keep looking for a Flex Plate but the other Option is to find a good 17 Spline Input Shaft and maybe a Front Pump  from a Fordomatic and install it on the Replacement Transmission. Use the Air Cooled  Convertor I have in the Car. I don't really want to get those Parts from my existing  Fordo that works fine. I can still use the Cooling Lines for the Transmission. My replacement Rad has fittings for Transmission.

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FORD DEARBORN
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Mark, that's what happens when I attempt to try a new trick with this thing. However, if you click on "show quote," it opens up. WTH?


64F100 57FAIRLANE500
oldcarmark
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Once the Quote opens scroll down past the Quote and enter Your response. Just be sure U are at the end of the Quote, Theres a little single Symbol at the Bottom. Go Past that and enter Your Info.

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Hoosier Hurricane
Posted 5 Years Ago
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Mark:
If your existing FOM works fine, how important is a low gear start to you?  Is your car a daily driver or an occasional driver?  If you really want to start in low sometimes, you can manually put the shift lever in Lo and shift it to drive when you want second.  Anyway, if you proceed with your plan, I saw a 17 spline shaft in my parts stash yesterday, I probably have a front pump to match.
 


John - "The Hoosier Hurricane"
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oldcarmark
Posted 5 Years Ago
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OK Thanks John. I will keep that in mind. Still need a Flex Plate.

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Hoosier Hurricane
Posted 5 Years Ago
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Mark, forgive me if I misunderstood you.  I thought the 17 spline input and matching pump would allow you to use your existing flexplate and air cooled converter with a COM or FMX conversion.

John - "The Hoosier Hurricane"
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oldcarmark
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You are correct John. Brain Freeze.

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