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Transmissions and Drivetrain Need help with your trans? Problems with your axle?

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Old 01-05-2010, 09:07 PM   #1
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700r4 differences?

Couple questions about the 700.

1.Is there a difference in strength and torque rating between a 700 behind a 305 and and a 350?
2.What 700 trans are the "better" ones?*88 and up,89 and up?
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Old 01-05-2010, 09:16 PM   #2
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Re: 700r4 differences?

1 ~ no
2 ~ 85 and up have the 30 spline input, prior is 27 spline
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Old 01-05-2010, 09:21 PM   #3
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Re: 700r4 differences?

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Originally Posted by 89RS_82Z View Post
1 ~ no
2 ~ 85 and up have the 30 spline input, prior is 27 spline
Thanks for the reply.I was always under the impression that the later 700's were a bit stronger than earlier ones.Better internals.Maybe I was thinking of the corvette 700.Oh well thanks!
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Old 01-06-2010, 12:21 AM   #4
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Car: 1984 Z28 Hardtop / 1988 IROC T-top
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Re: 700r4 differences?

87+ has the auxiliary valvebody.
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Old 01-06-2010, 10:22 AM   #5
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Re: 700r4 differences?

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87+ has the auxiliary valvebody.
What exactly does that mean?
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Old 01-06-2010, 10:54 AM   #6
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Car: 1984 Z28 Hardtop / 1988 IROC T-top
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Re: 700r4 differences?

There were a number of hydraulic changes made then which contribute to the performance and longetivity of the transmission.
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Old 01-06-2010, 10:56 AM   #7
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Re: 700r4 differences?

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There were a number of hydraulic changes made then which contribute to the performance and longetivity of the transmission.
So it is best to get a later 88 and up trans then?
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Old 01-06-2010, 11:24 AM   #8
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Re: 700r4 differences?

Yes. Any of the later improved hard parts can be put into an earlier case, but only the later cases have the hydraulic differences.
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Old 01-06-2010, 11:24 AM
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