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T case swap

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Old Mar 11, 2016 | 08:27 PM
  #1  
540milotalon's Avatar
540milotalon
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Laughing Gas
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From: Near Shenandoah Valley
T case swap

Will the t case off a ZF5 gas '89 work on the '90 7.3 ZF5?

I'm looking at a '90 F350 10' 4X4 wwith a bro-in-law damaged transfer case.
 
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Old Mar 11, 2016 | 09:35 PM
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Are they both F350s or what? Check the T-case numbers, who made them and what model. Chances are they /will/, but I can't say for sure.
 
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Old Mar 11, 2016 | 09:36 PM
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farmnfly
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From: new york
transfer case

It will bolt up. Look at the rear drive shaft that will tell if they are the same. Some bolted direct to the u-joint and some had a splined yoke then ujoin. most likely they are BW 1345 or BW1356
 
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Old Mar 11, 2016 | 11:00 PM
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540milotalon
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Laughing Gas
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I will try to look tomorrow, the 7.3 is the 350, the gasser is a 351- 250. The gasser has a rotten frame and the 350 118,XXX miles with the damage done during the Jan. 30"+ snow. The guy says it jumps in and out of 4 Hi. with noise. I can buy both pretty reasonable I think
 
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Old Mar 11, 2016 | 11:04 PM
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I'd say pull the 7.3 T-case and rebuild it. Chances are it's reparable with a few bearings, parts and maby some JB weld. Alternately, I'm sure you can always pick up a T-case cheap at the junk yard, no need to buy an entire vehicle.
 
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Old Mar 11, 2016 | 11:19 PM
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mroth2008
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From: Kitimat British columbia
For these old ford all same spline count outshaft and bolt pattern. I run a 78 bronco transfer case on a 93 zf5, and ran 76 f150 transfer case on mazda 5 speed. The yokes do change thou. 1345 will swap with a 1356, but most 1345 are fixed yokes, and 1356 are slip and their different lengths. Go look and get the right one, you brother in law 1990 is on thats in the change over period. I had one 91 with a 1345 and another with 1356. I got 4 spare 1356's under my deck.
 
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Old Mar 12, 2016 | 12:04 AM
  #7  
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540milotalon
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Laughing Gas
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Wow! Thanks everyone. I'm well armed now. I really want to keep these ole IDI"S running.
 
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