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ZF6 main case Question.

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Old Feb 11, 2012 | 10:12 PM
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ZF6 main case Question.

I've got a 02 f-250 4x4 with a 5.4L with a 6 speed. I Love the truck but planning on doing a diesel swap. I need a diesel bellhousing and I know the modular pattern won't work. My question is, if I bye a main front case or find a salvaged one for a 7.3L S6-650 or the 6.0L S6-750. Can I simply swap the modular 5.4L front case to a Diesel front case. I know I need to change the input shafts also, but as far as I've researched the internal are pretty much the same including the output shaft for the T-case. If I can I would rather go this route than bye a whole new transmission for two grand or take the chance on a used one. When mine shifts and works great. Any help would be appreciated.
 
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Old Feb 12, 2012 | 07:57 AM
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It would seem a lot easier to buy a new one and then sell yours, you might even break even.
 
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Old Feb 12, 2012 | 01:06 PM
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I'm starting to lean in the direction of getting a new one. But they are about two grand, and since my transmission is used and less desirable. I dont think get more than $1200 for it. I found a case and input shaft for a 7.3 for $200 that the oil cooler line rusted threw and cooked it. Getting a new one would be ALOT easier but my budget is making me explore all my options.
 
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Old Feb 12, 2012 | 06:35 PM
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Originally Posted by Loyal2ford
7.3L S6-650 or the 6.0L S6-750. Can I simply swap the modular 5.4L front case to a Diesel front case.
Be careful what you buy. The 6.0L and 5.4L have the same bolt pattern. The 7.3L pattern is unique.
 
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Old Feb 12, 2012 | 10:00 PM
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The 6.0L powerstroke? I've read that the trition v8/v10 have a stand alone pattern. Destroked said that a Cummins flywheel/clutch wouldn't fit in these transmissions, but they would fit in the 7.3L or 6.0L. My transmission only has a 1 1/16" input shaft, wheir the Diesels have a 1 3/8". Im not planning on running a Cummins but the engine im planning on putting in should be around 900 ft lb of torque. Which I know would explode the 1 1/16" shaft.
 
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Old Feb 13, 2012 | 01:52 PM
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I don't know about the input shafts. I do know that the 6.0L Powerstroke diesel engine has the same rear face of block bolt pattern as the Ford 5.4L/6.8L gasoline modular engines.
 
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Old Feb 15, 2012 | 12:59 PM
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So would the flywheel and clutch from a 6.0L fit in my bell housing if I changed the input shaft? Cause I would MUCH rather do that, than change the whole front case.
 
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Old Feb 15, 2012 | 02:55 PM
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Since the bellhousing is identical I can't see why it wouldn't fit in the bellhousing. I have no idea if it will bolt to the crankshaft.
 
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Old Feb 17, 2012 | 12:11 AM
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Not running a Powerstroke, hoping to put a deere in. Just needed to know if I could run a 13 inch clutch or not. Im just trying to do as much homework as possible before I try to do this. Appreciate all the Help.
 
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