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Old 12-10-2004, 02:29 AM
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Default Re: CY & CX 400THM: differences & similarities

For the year 1970:
*TH400 CY Trans. was coded for the LS6 Chevelle,& Corvette LS5.
Higher-shift point and stronger bands & springs.I believe a thicker shaft as well?
*TH400 CW Trans. was coded for the L78 Chevelle-Nova-Camaro,& LT-1 Camaro-Nova.
*TH400 CR & CS Trans. was coded for the LS5 Chevelle-Monte Carlo,& Corvette w/Transitorizied Ignition.
*TH400 CF Trans. was coded for the L34 Chevelle-Camaro-Nova.
*TH400 CK Trans. was coded for the 300HP 350cid Corvette.
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Old 12-10-2004, 06:07 AM
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Default Re: CY & CX 400THM: differences & similarities

Chuck, the comparison is between the CX vs. the CY, not the CW version. The CW was used in the L78's, LT1's etc...
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70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride)
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Old 01-26-2005, 07:36 PM
Chevy454 Chevy454 is offline
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Default Re: CY & CX 400THM: differences & similarities

Ray Morrison sent me some more 400-THM info. It was an application chart for 1969, so I went ahead and ran it through Excel so it's easier to digest...


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Old 04-04-2005, 04:26 PM
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Default 1968 CY Trans details

Here are some detailed pictures from a 1968 CY THM400 trans, courtesy of Tommy K and the Super Car Workshop...


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Old 04-04-2005, 04:28 PM
Chevy454 Chevy454 is offline
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Default Re: 1968 CY Trans details

VIN...


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Old 04-04-2005, 04:29 PM
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Default Re: 1968 CY Trans details

Writing...


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Old 04-04-2005, 04:30 PM
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Default Re: 1968 CY Trans details

Stamp...


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Old 06-27-2005, 03:47 AM
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Default Re: 1968 CY Trans details

Where is the VIN located on this transmission.

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Old 11-15-2005, 03:18 AM
Michael4yah Michael4yah is offline
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Default Re: 1968 CY Trans details

Would you happen to have the list for the 68's
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Old 07-26-2006, 10:32 PM
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Default Re: 1968 CY Trans details

Anyone know the #s and prefix for a turbo400 in a 68 Camaro 396/350hp??
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