700r4 Trans

[Bob Valentine]

I think there were 3 major design revisions, 84, 87 and 89(90?).  It's my
understanding that '86/'87 and up can all be made stout, it's the early
ones that are really troublesome.  Might be wrong on the exact years, not
me expert topic.

Local rebuilder told me "get the newest one you can".   I've got a rebuilt
(HD, not race) '89 behind a 403 Olds, 15k and still holding just fine with
lots of right-foot abuse.

-> Bob Valentine
-> bob at tecmark.com

At 02:08 PM 1/4/2001 -0500, you wrote:
>I thought they changed the design of the 700 in '87 to make it stronger
>and more reliable.  Nothing significant?
>
>My reason for asking:  I've got an '86 305TPI Z28 with a 700.  I'm
>planning on eventually putting in a fairly stout 350, and figured a later
>model 700 would be a better thing to use.  Whaddya think?
>
>Kevin
>
> On Thu, 4 Jan 2001, Romans, Mark wrote:
>
>> The All 700's are pretty much the same. The change was when GM went to the
>> 4L60E.
>> All others should interchange.  The other exception is the Vet trans where
>> the rear mount
>> is different. If your current trans is ok I wouldn't change it.  I might
>> slap the Vet valve body
>> in for firmer shifts and WOT shifts to OD!
>> 90's were just TCC lock up.
>> Mark
>> ----- Original Message -----
>> From: "Guenther, Max [ASCO/PA]" <Mguenther at ASCO.COM>
>> To: <gmecm at diy-efi.org>
>> Sent: Thursday, January 04, 2001 9:33 AM
>> Subject: 700r4 Trans
>> 
>> 
>> >
>> > I've got a 75 vette I'm trying to put an overdrive trans into.  It
>> > has a 90 induction and computer and I would like to put in a 90 model
>> 700r4.
>> > I think this vintage has the torque arm attacthment.  The 82  Vette has a
>> > 700r4 which I would assume would bolt in to my present car.
>> >
>> > Anybody know what the differences would be as far as
>> > controls between the 82 and 90(the 90 is just lockup right?).  Would
it be
>> > worth trying to shoehorn a 90 trans in?
>> >
>> > Thanks,
>> > Max
>> >
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>> 
>>
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>
>
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