Years ago Streetrodder magazine did a build of a Y block and for a trans they used a FMX,I dont have the magazines any more and I am trying to remember just how they did it.  I think they redrilled two holes in the trans case or FOM bellhousing,64 flywheel and there was something about a spacer for the part of the torque convertor that goes into the end of the crank.  When I put a 292 in my 55 I want to use the FMX instead of a FOM and COM and does anyone remember this.

Butchering up everything I can get my hands on in Dayton Ohio

Jeff:

I don't remember how they did it in the article, but here's how I did it.

Drill the top two case holes to match the Y bellhousing.  The bottom ones fit as is.  Use a flex plate from a '59 or later Y, the one with the starter ring gear on it.  Put a ring on the snout of the FMX converter that is 1 3/8" ID by 40 mm OD about 1/2" long.  Has to be a small block converter, FE engines have a snout that is too big.  This will pilot the converter in the cranksaft.  You may have to drill the flex plate to match the converter studs.

John - "The Hoosier Hurricane"

I think that is how they done it but its been a few years ago and using the original FOM bellhousing and air cooled parts it will confuse a few people if they would look under the car.

Butchering up everything I can get my hands on in Dayton Ohio

Oh, if you're going to use the old air cooled converter, you can use your existing flex plate, the starter gear is on the converter front cover.  If you use the air cooled converter, you have to change the front pump to the FOM one.  And if your original input shaft is 17 spline, you have to also swap in the FOM input shaft.  Or try to find an air cooled converter with a 29 spline turbine, which will fit the FMX input shaft and the FOM front pump.

John - "The Hoosier Hurricane"

Hoosier Hurricane, are the steps you outline comprehensive, or are there also major driveshaft, oil cooler, crossmember, and linkage issues to sort out when making such a swap?

1954 Crestline Victoria 312 4-bbl, 3-speed overdrive

I am not going to use the air cooled torque convertor,I just want to use the aircooled bellhousing for the original look.

Butchering up everything I can get my hands on in Dayton Ohio

Peeeot:

Yes to all of your questions, but it is doable.

John - "The Hoosier Hurricane"

Might also use the tailshaft from the FOM, I think that will allow you to use the correct speedo cable if your car is pre 57. Gerry

Lake Forest California  5th inf 77 Armor Div. VN 68/69

If you put your town and state in your signature

help might be closer than you think.

Since I have a C-4 in it I have a speedo cable off a 65 galaxie in it now but will hope I remember that if I do this again with another 55 or 56.

Butchering up everything I can get my hands on in Dayton Ohio

A question for John:



I have done many conversions to the FMX using a cruise-o-matic convertor, however have no experience using an FMX convertor with the FMX transmission behind a yblock. I am doing a FMX transmission for a friend at the moment to install behind his 312. The cruiseomatic converters are getting so had to find anywhere and more so in Canada as the Y-block was not used in cars after 1958



We wish to use a FMX converter due to availability and available stall speed options. I was looking on the web and see there are 3 different converters for a small block, some have the extended snout and others cupped pilot and the pictures of them do not show the pilot side of the converter.



The extended snout 302 small block FMX converter I have pushes the converter to far away from the flex-plate as it has approx 1/2" longer pilot snout than an cruiseomatic converter



Do you recall what engine/car the converter you used was from when you did your conversion.

thanks

marv