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Old 01-25-2013, 07:42 AM
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Trans rebuild and other questions...

Coming up soon i'm going to be swapping engines and rebuilding my transmission. However, I'm not sure where to get parts and I haven't actually done this before.

So the questions are as follows:
Where is a good place to get a T-19 rebuild kit? I know i need bearings.
Where could I find a manual to get me started on the right path?

Edit:
I've found a few rebuild kits ranging between $100-170. Is there a way i can tell if i have the 20mm or 23mm input bearing without taking the thing apart? I'd like to have all of the parts on hand before i start.

Also, I've never had any trouble putting it in gear, but should I replace the syncros while i've got it apart? Kits with syncros cost a bit more...

Other questions:
When i put the 6.9L flywheel on the 7.3L I'm dropping in, do I need to swap the harmonic balancer as well?
Since I'm starting with the engine on the floor, what seals should I replace? I was thinking rear main, valley pan (needs one anyway), and maybe oil cooler...
If I need a complete clutch kit, where is a good place to get one, and what brands should i look for? Also, at what thickness should i replace the clutch disk? The throw-out bearing has been making noise for some time so it's getting replaced no matter what...

Are there any other tips or things i'm missing?


Thanks in advance. Click the image to open in full size.
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  #2  
Old 01-25-2013, 09:57 AM
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If i was tearin into i would do synchros - i would not use a 6.9 flywheel on a 7.3 or vica versa - no idea on the manual, or input bearing size - for clutch if youre doing a stock replacement ive had really good luck with clutches from NAPA in various applications. - Good luck and have fun
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Old 01-25-2013, 02:57 PM
Bender1987 Bender1987 is offline
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Quote:
Originally Posted by Otahyoni View Post
Coming up soon i'm going to be swapping engines and rebuilding my transmission. However, I'm not sure where to get parts and I haven't actually done this before.

So the questions are as follows:
Where is a good place to get a T-19 rebuild kit? I know i need bearings.
Where could I find a manual to get me started on the right path?

Edit:
I've found a few rebuild kits ranging between $100-170. Is there a way i can tell if i have the 20mm or 23mm input bearing without taking the thing apart? I'd like to have all of the parts on hand before i start.

Thanks in advance. Click the image to open in full size.
I have used Novak Adapters kits Parts for the T18 & T19 Transmissions a couple of times, transmission and transfer case. I have NOT used their T-19 kit. They specialize in Jeep adapters. They are more expensive, and may use the same parts, I don't know. They are a small business, and use quality bearings. Their instructions are very good. I suspect if you called them, they would know your input bearing.

Myself, I would not dig in that deep and not replace the baulking rings. If you need bearings, I would bet the box has enough shifts that the rings are starting to wear, too. They do more than help adjust gear speeds, they also work to hold it in gear. My T-19 is starting to need refreshing, it's been walking out of first for a while. No issue with upshifting, but now it's starting to give me bearing noise.

Last edited by Bender1987; 01-25-2013 at 02:58 PM. Reason: typos
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Old 01-25-2013, 05:39 PM
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Quote:
Originally Posted by hairyboxnoogle View Post
i would not use a 6.9 flywheel on a 7.3 or vica versa - - Good luck and have fun
Why not? I don't currently have a 7.3L flywheel, and don't really want one (dual mass). It's not in my budget to spend several hundred on a SMF conversion...
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Old 01-25-2013, 06:38 PM
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I know the 7.3 and 7.3 turbo use different flywheels, i thought the 6.9 used a different one also. Has to to with the balancing of the engine. If you find solid evidence the 6.9 and N/A 7.3 use the same flywheel then use it, otherwise you'll have to find a 7.3 flywheel.

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Old 01-25-2013, 07:47 PM
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People have swapped the flywheels and balancers between the two engines and have had no problems that ive heard of. However it is not something i would chance personally. At the very least, i would see if you could have the flywheel rebalanced, and pick up the right harmonic balancer.
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Old 01-25-2013, 10:04 PM
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I thought the engines were neutral balance (internally balanced), except the factory turbo 7.3L (which this is not)?
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Old 01-26-2013, 02:06 AM
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The 6.9 and 7.3 NA use all the same parts minus pistons, the crank is the same for all of them (including the turbo one) rods are the same for them (turbo ones are different) harmonic balancer is the same (agin different on the turbo) the 7.3 NA came with the ZF5 speed that used that dmf but your t19 will bolt up just fine and be balance, you wont have any issuses.
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Old 01-26-2013, 08:18 AM
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Quote:
Originally Posted by ifrythings View Post
The 6.9 and 7.3 NA use all the same parts minus pistons, the crank is the same for all of them (including the turbo one) rods are the same for them (turbo ones are different) harmonic balancer is the same (agin different on the turbo) the 7.3 NA came with the ZF5 speed that used that dmf but your t19 will bolt up just fine and be balance, you wont have any issuses.
Thank you.
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Old 01-26-2013, 08:18 AM
 
 
 
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