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Old Dec 27, 2010 | 11:51 PM
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Since "ZF" is apparently too short...

So, since the search term "ZF" is apparently too short for the search function to recognize, I have what is most likely a very "newbie" or novice question when it comes to manual transmission work. However, be that as it may, I know just enough to know I don't know enough about this to accomplish my task without some more information.

The project: 1993 full-size Bronco (Yes the fellas in the Big Bronco Forum have already heard about it).
Losing: 302 (5.0) (1993)
Losing: "expletive deleted" E4OD (1993)
Gaining: 300 (4.9) (1992)
Gaining: ZF S5-42 (wide ratio) (1989 from an F-250 4x4)

Originally the plan was to simply swap the 300 and M5OD from the 1992 F-150 donor into the Bronco. However, I happened upon the ZF in trade for some old Mercury Grand Marquis parts I had laying around. Now I need to know what, if any, of the clutch and related components in the F-150 with the M5 will swap in front of the ZF and still work.

May I assume that a new/resurfaced flywheel on the 300 will work for the ZF instead of the M5? OR is the flywheel specific to the ZF? (This would seem odd but I don't know for certain so I'll just ask).

May I assume that the pilot bearing will need to be for a 1989 ZF?

May I assume that the slave cylinder must also be for a 1989 ZF?

May I assume that the clutch must also be for a 1989 ZF?

May I assume that the master cylinder from the F-150 with the M5 will make the ZF slave cylinder function properly? OR do I need to find a master cylinder for a truck originally equipped with a ZF?

Many thanks to any and all who may have answers.
 
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Old Dec 28, 2010 | 08:37 AM
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The flywheel is the same and the clutch components should work from the M5 on the ZF. If you are replacing any of those components, go ahead and get them for a truck with the ZF. The pilot bearing should be the same for both transmissions as well.

The clutch master and slave should match year models - something changed (mounting hole pattern and/or piston diameter) sometime 93 or 94 I don't remember. Since it is a concentric slave, it is always a good idea to replace it with a new Ford OEM slave cylinder while you have access with the transmission out of the truck. If you use the '92 master cylinder, get a '92 slave for a ZF - if the 92 master cylinder doesn't fit in the '93 firewall, get both master and slave for a '93. The slave cylinder I bought came with a new release bearing.
 
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Old Dec 28, 2010 | 11:02 AM
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greystreak92
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Thank you sir. Yes, my plan was to replace with new... any bearings, the clutch itself and the slave cylinder. The master cylinder in the 92 does fit the 93 and works so I will most likely just use it and match the slave cylinder with a new 1992 version. (Why replace the MC if it still works right?) Thank you for the input. Onward and upward.
 
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