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Old June 25th, 2008, 05:22 PM   #1
Rocky
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Default What trans is this?

It's in a 79 Chevy P-30 Step Van with a Cummins 3.9L 4BT. I think it's a 47rh. I really could not get a good shot of the cover with it's finned and the front part of the case only has a tiny little cover to get at the converter bolts.

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Old June 25th, 2008, 06:43 PM   #2
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this help? http://www.overlanddiesel.com/71/243...ession*id*val* surprised how hard it was to find info about this thing on the net
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Old June 25th, 2008, 07:45 PM   #3
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Lolz @ Rocky.
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Old June 25th, 2008, 08:17 PM   #4
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Funny but that would not be the stock trans then as they only came with; t19 (ford pattern), sm465, th400
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Old June 26th, 2008, 02:47 PM   #5
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this help? http://www.overlanddiesel.com/71/243...ession*id*val* surprised how hard it was to find info about this thing on the net
Yeah but some also had a ford tranny in them to. All depends on the adapter plate on the back half of the engine.
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Old June 26th, 2008, 03:29 PM   #6
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If it is a 47rh someone put it in there, can you take the dog house off and take a pick from there and/or take a pick of the pan?
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Old June 29th, 2008, 05:52 PM   #7
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If it is a 47rh someone put it in there, can you take the dog house off and take a pick from there and/or take a pick of the pan?
Top half looks exactly like this one.


Mine


I thought a th400 had a huge opening in the bottom of the bell housing. Not an almost enclosed bottom with a small access cover to the t.c. bolts. Th475?

I'll have to wait till I pull it to get a pan shoot since it's only 18" or so off the ground.

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Old June 29th, 2008, 06:55 PM   #8
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Quote:
Originally Posted by Rocky View Post
Top half looks exactly like this one.


Mine


I thought a th400 had a huge opening in the bottom of the bell housing. Not an almost enclosed bottom with a small access cover to the t.c. bolts. Th475?

I'll have to wait till I pull it to get a pan shoot since it's only 18" or so off the ground.

Isn't a TH475 just a TH400 with straight cut gears? So the case woudl be the same, I'd assume...
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Old June 29th, 2008, 07:25 PM   #9
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Isn't a TH475 just a TH400 with straight cut gears? So the case woudl be the same, I'd assume...
Not sure but the more I read it an odd ball case (cut out at the top vs the standard th400 point and a cast al inspection cover and pan.)
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