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post #1 of (permalink) Old 05-23-2007, 03:42 PM Thread Starter
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Help ID this tranny bolt pattern

SOLVED!!!

Well, It looks like it's going to be a Dana 20 to Scout T-19 (no mounting on the adapter).
Scout T-19's have mounting ears on the tranny case, not on the adapter.

thanks for the help guys.

Rockin on

******************************
I found this TC to Tranny adapter.
It's for a Dana 20 TC to a _______________?
this is a a quick drawing of the tranny side, sorry for the quality of the photo
the mating surface (isn't drawn in) is basicly round with a flat top and follows the bolt holes, the odd shape is to accomadate the Dana 20 on the other side.
Note there are two different bolt hole sizes.
The top two larger holes are 4 1/4" apart
The other holes are 2 1/4" apart
The Center hole is approx 3" (inner seal measurment is approx 2")
Numbers & Letters case into it are: 13-09 172-601 3 TC
I'm not finding a tranny with this bolt pattern
To me it looks like this is a stock part not a AA or Novack?
Maybe not a Jeep part? Who else used Dana 20's IHC and ?????
As usual all comments welcome, Thanks
Attached Images
File Type: jpg TC-tranny adaptera.jpg (91.7 KB, 3 views)

"The Heep" 73 Commando, 258 I-6, T-18, Scout Dana 300 w/Tera 4:1 Kit, SOA, PS, Thru-dash Cage, Alcans, OBA, ARB's, HEI, Ft disc, MC 2100,Dents, Mud & Rust.

Last edited by GoldToyBox; 05-26-2007 at 09:49 AM. Reason: added more info
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post #2 of (permalink) Old 05-23-2007, 03:50 PM
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Ford?

i know they used the d20 for a while....

C6 trans is my guess...but its a pretty wild guess, based on some google image search results....dont even know if the two came together ever

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post #3 of (permalink) Old 05-23-2007, 03:52 PM
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Is this a trick question or did someone on the JCCA piss you off?

Looks like a TH400 from a 72-74 Bullnose.

A bad weekend of wheelin', is still a good weekend.
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post #4 of (permalink) Old 05-23-2007, 04:02 PM Thread Starter
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Quote:
Originally Posted by lomodyj View Post
Is this a trick question or did someone on the JCCA piss you off?
Not this week??? yet. I was on my way to JCCA & AJC to post there next and your reply can in! Fast service!!!!

Quote:
Originally Posted by lomodyj View Post
Looks like a TH400 from a 72-74 Bullnose.
I didn't find a bolt pattern for a Jeep Th400
I did find one for a GM Th400 and it's different than what I have. Soooooo the Jeep and GM Th400 are different? Right?

"The Heep" 73 Commando, 258 I-6, T-18, Scout Dana 300 w/Tera 4:1 Kit, SOA, PS, Thru-dash Cage, Alcans, OBA, ARB's, HEI, Ft disc, MC 2100,Dents, Mud & Rust.
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post #5 of (permalink) Old 05-23-2007, 04:41 PM
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Pretty sure the Chuby and Heep patterns are different. I'm looking at a 304/TH400/Dana20 all put together in the garage, I can't see the face of the adapter, but it looks like it from the outside.

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post #6 of (permalink) Old 05-23-2007, 07:13 PM
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Unless it's made of pot metal, 4"-5" thick, and the mounting ears broken off... it ain't from a Jeep!

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post #7 of (permalink) Old 05-24-2007, 09:41 AM Thread Starter
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Quote:
Originally Posted by Caver Dave View Post
Unless it's made of pot metal, 4"-5" thick, and the mounting ears broken off... it ain't from a Jeep!
It diffinately fits a Dana 20 (I have one on the garage floor). The drawing only shows the 'other side', I didn't drawn in the "Texas pattern".
It's about 1.25" thick.

photos posted here:
Tranny side http://highwayshouse.net/gallery/vie...08&id=HPIM0755
Dana 20 side
http://highwayshouse.net/gallery/vie...08&id=HPIM0756

"The Heep" 73 Commando, 258 I-6, T-18, Scout Dana 300 w/Tera 4:1 Kit, SOA, PS, Thru-dash Cage, Alcans, OBA, ARB's, HEI, Ft disc, MC 2100,Dents, Mud & Rust.

Last edited by GoldToyBox; 05-24-2007 at 12:44 PM. Reason: added link to photos
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post #8 of (permalink) Old 05-24-2007, 11:46 PM
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I can guarantee that that is not a TH400 bolt pattern. Also, the AMC TH400 and GM TH400 have the same rear pattern. The difference was on the bellhousing side. Anyone need an autocad drawing of a TH400 bolt pattern? lol

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post #9 of (permalink) Old 05-25-2007, 06:43 AM
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Could it be from a Scout ?? I know they used the D20 as they did the D300. I swapped a D20 out of a Scout into my Cj5 ten years ago but can't remember what the adapter looked like. I'll go out and look at my CJ5 and see if it is close to that.
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post #10 of (permalink) Old 05-25-2007, 06:08 PM Thread Starter
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Dana 20's were used in Scouts & Bronco's (IHC or Ford) but I can't find what tranny this bolt pattern this mates to.
I post up on the Binder site and see what I get there.

Thanks

"The Heep" 73 Commando, 258 I-6, T-18, Scout Dana 300 w/Tera 4:1 Kit, SOA, PS, Thru-dash Cage, Alcans, OBA, ARB's, HEI, Ft disc, MC 2100,Dents, Mud & Rust.
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