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700R4 Replacement Transmission

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Old Jul 28, 2020 | 07:42 PM
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Default 700R4 Replacement Transmission

I pick-up a replacement 700R4 transmission. There are no number on the outside case. Is it possible this transmission. Is a warranty replacement? How can I tell if it is?

Thanks
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Old Jul 28, 2020 | 08:00 PM
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Originally Posted by blkvette85
I pick-up a replacement 700R4 transmission. There are no number on the outside case. Is it possible this transmission. Is a warranty replacement? How can I tell if it is?

Thanks
You bought a 'used' and are trying to ID what you bought? Does it have a Corvette extension? Do you know how to tell if it's 'early' or a later '87+ with AUX Valve Body? You post is a bit vague!! Did it come with converter?

Try this post for maybe a possible ID.

https://www.corvetteforum.com/forums...post1586748809

Last edited by WVZR-1; Jul 28, 2020 at 08:05 PM.
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Old Jul 28, 2020 | 11:59 PM
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Default Trans

I bought a trans out of a 91
firebird, swapped the tail housing, installed the vss gear and Circlips, and put it in my 86.
No problems, and with the aux accumulator, it doesn’t jump into gear anymore!!😃
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Old Jul 29, 2020 | 12:01 AM
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Originally Posted by WVZR-1
You bought a 'used' and are trying to ID what you bought? Does it have a Corvette extension? Do you know how to tell if it's 'early' or a later '87+ with AUX Valve Body? You post is a bit vague!! Did it come with converter?

Try this post for maybe a possible ID.

https://www.corvetteforum.com/forums...post1586748809

it is a Corvette 700R4. Has the Correct tail housing.
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Old Jul 29, 2020 | 08:42 AM
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Originally Posted by blkvette85
it is a Corvette 700R4. Has the Correct tail housing.
In the link to a post from a few years ago there's an image of a case casting if it's a '87 or later with AUX VB, there's another of where trans information is on the 'pan rail' of the case. I'd think that should answer your ID issues. You'd certainly prefer I'd think a later w/AUX VB.
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Old Jul 29, 2020 | 09:11 AM
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Originally Posted by blkvette85
it is a Corvette 700R4. Has the Correct tail housing.
Correction, it is a 700R4 with a Corvette tailhousing. Until you identify it, and/or verify some internal parts, all you know is that it is a 700R4.
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