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post #1 of (permalink) Old 12-10-2001, 06:11 PM Thread Starter
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What is this tranny output bolt pattern?

I think it's a T-176, but I've never owned a T-176. It does look familiar though. The one on the left is the one I'm asking about, the one on the right was taken from my SR-4, and it's just a bare D300.



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post #2 of (permalink) Old 12-10-2001, 06:34 PM
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Re: What is this tranny output bolt pattern?

That's definitely not a T176 output. That pattern is the texas pattern that would be on the output on a tranny used with either a Dana 20 or Dana 18 t-case. T176's were only used in conjunction with Dana 300's, so their output would be just like the SR4. Unfortunately, there were a large number of trannies used with the 18 and 20, so your picture doesn't narrow it down much.

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post #3 of (permalink) Old 12-10-2001, 06:40 PM Thread Starter
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Re: What is this tranny output bolt pattern?

How can I find out what this attaches to? Could this fit a T-18a then?

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post #4 of (permalink) Old 12-10-2001, 07:02 PM
 
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Re: What is this tranny output bolt pattern?

i'm pretty sure it is a factory a t176 to dana 300 adaptor

attached the best picture i have on one.

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File Type: jpg 9-619506-t176.jpg (21.1 KB, 4 views)
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post #5 of (permalink) Old 12-10-2001, 07:12 PM Thread Starter
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Re: What is this tranny output bolt pattern?

It does kinda look like one. Here is another pic with the distances between each bolt hole, and the adapter thickness.



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post #6 of (permalink) Old 12-10-2001, 07:47 PM
 
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Re: What is this tranny output bolt pattern?

i just checked advanceadapters and novak's web site and couldn't find any better pictures, but check out the gasket in this 176 parts kit http://www.novak-adapt.com/catalog/t176_parts.htm

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post #7 of (permalink) Old 12-10-2001, 08:04 PM Thread Starter
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Re: What is this tranny output bolt pattern?

That looks like it, and the thickness is correct according to the AA manual.

Thanks for the help, looks like it is a T-176 adapter. Now, should I Ebay that with it or sparate?

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post #8 of (permalink) Old 12-10-2001, 08:15 PM
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Re: What is this tranny output bolt pattern?

That is definately a t176 adapter hey which one of those is mine

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post #9 of (permalink) Old 12-10-2001, 08:27 PM
 
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Re: What is this tranny output bolt pattern?

OK, I'll admit it, when it comes to transfer case adaptors, I'm Forrest Gump...

I thought the 'Texas' bolt pattern was the 'Texas 5', meaning having only five holes...
I count 6 on that adaptor flange...

What gives? Only five used so they call it the 'Texas 5' or what?
I see a pretty good grease track over that one bolt hole, so I know it wasn't used for much...

I'm just guessing here...
I have several transfer cases here with the 'Texas' bolt pattern, but I'm not sure what they are. (just haven't taken the time to look into it yet...)
They are Dana, it's cast right into the back of the case.
(leftovers from my nephews Jeep project)

Can anybody set a T-case retard straight tonight on this sixth bolt hole?

So many cats, so few recipes...
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post #10 of (permalink) Old 12-10-2001, 09:26 PM Thread Starter
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Re: What is this tranny output bolt pattern?

ZLY, actually, neither of them. Yours is not one of them in the pictures, but the same as the one on the right.

TR, the transfer cases are actually easy to identify if they're jeep ones. If they have the rear output to one side, it's a D-18. If it has a centered rear output and a cast iron output retainer, then it's a D20. If it has a centered rear output and an aluminum output retainer, it's a D300. If it's chain driven it's not worth looking at (I can say that because CJDAVE isn't back yet!).

The one hole clearly wasn't used, no doubt about that. The distances between the bolt holes are wrong to have the "proper" Texas bolt pattern, I checked them against the AA book.



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