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360 to FMX transmission Help |
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SC/Adam
AMC Apprentice Joined: Oct/22/2017 Location: Ontario Status: Offline Points: 38 |
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Do you know of a way to identify if the crankshaft is a 74?
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purple72Gremlin
AMC Addicted Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16611 |
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SC/Adam
AMC Apprentice Joined: Oct/22/2017 Location: Ontario Status: Offline Points: 38 |
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Once I find out 100% that the my engine is a 1974 I'm going to pick up the Tourqueflite. Then have some fun with the cross member and driveshaft
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Mopar_guy
Supporter of TheAMCForum Joined: Jun/07/2009 Location: Ohio Status: Offline Points: 4823 |
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That sounds like the newer engine. Look at the pictures in this post http://theamcforum.com/forum/flex-plate-id_topic4832_page8.html and you'll see that the flex plates with the large hole are for a torqueflight and the one's with the small hole are for the BW. If your crank has a large lip to center the TF flexplate, then you're good to go with a 727 but be sure to check for a bushing in it to reduce the size and remove it if it has one. Good luck! |
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"Hemilina" My 1973, 5.7 Hemi swapped Javelin |
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PHAT69AMX
AMC Addicted Joined: Jul/07/2007 Location: West Virginia Status: Offline Points: 5919 |
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pic of the 2 different styles of AMC crank flanges.
Yes, IF it was from a Jeep with a Turbo 400 Trans there IS a "Bushing" in the Crank Hole, but it is a very thin "Bushing" or "Sleeve" or "Tolerance Ring" and hard to see if it's in there. The OD of the "Pilot" on the front of the TH400 Converter is just a wee bit smaller OD than a TF727/904. |
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farna
Supporter of TheAMCForum Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 19676 |
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Most of the confusion between the FMX (and earlier Ford autos) and the Borg-Warner autos is that they use the same rebuild kit. They are that similar, but Ford used a different valve body and case - passages are different between the two. The rebuild kit has at least three different valve body gaskets to cover several different models of Ford and Borg-Warner autos -- gaskets are cheap! Some internals in the rotating assembly are interchangeable, and clutches and bands interchange. But not everything. The FMX has the fewest interchangeable parts. The first Ford/BW collaboration trans was called the FX by Ford (Ford-O-Matic in sales brochures, I think), the second was the MX (Cruise-O-Matic? might have FOM and COM swapped!). The FMX is a Ford design based on the best of the FX and MX -- that's why the FMX name. It was still covered under the license with BW and still shared some parts with the older Ford versions and BWs, but was the last Ford auto trans to do so.
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Frank Swygert
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purple72Gremlin
AMC Addicted Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16611 |
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Edited by purple72Gremlin - Apr/24/2018 at 9:19am |
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69 ambassador 390
Supporter of TheAMCForum Joined: Nov/22/2009 Location: Peoria, AZ Status: Offline Points: 3539 |
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The trans type is cast into the top of the case. It is possible that the trans is a M-12 from a 1973 Ford truck. They used the Borg/Warner for part of that year because of a strike at fords trans plant. The Ford Borg/Warners were the same as the AMC with the FMX pump housing and torque converter. Ford double drilled the mounting holes to use on their engines bells. They are very rare and I've only seen two. Both were built back to AMC spec.
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Steve Brown
Algonac, Mi. 69 Ambassador sst 390 84 Grand Wagoneer 69 Cougar XR7 65 Fairlaine 500XL 79 F-350 Super Camper Special |
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purple72Gremlin
AMC Addicted Charter Member Joined: Jul/01/2007 Location: Illinois Status: Offline Points: 16611 |
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Mopar_guy
Supporter of TheAMCForum Joined: Jun/07/2009 Location: Ohio Status: Offline Points: 4823 |
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Thanks PHAT for posting those. That's what a person trying to learn needs to see.
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"Hemilina" My 1973, 5.7 Hemi swapped Javelin |
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