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Which transmission ?

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Old Nov 23, 2013 | 02:46 PM
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Default Which transmission ?

New guy here, an import from the C! forum. Interested in adding a C4 to keep my C1 company but I've been getting a lot of conflicting information. Which manual transmission do 1988 Corvettes come with ? Is it the 4+3 or a 5 speed or a 6 speed or did they change partway through the year ? Other years are pretty straight forward but 88's not so clear. Thanks, Bob
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Old Nov 23, 2013 | 03:14 PM
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The first ZF six speeds (S6-40) were factory installed for model year 1989. A number of earlier cars were retrofitted by their owners.

RPO MN6
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Old Nov 23, 2013 | 04:21 PM
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Originally Posted by claf
New guy here, an import from the C! forum. Interested in adding a C4 to keep my C1 company but I've been getting a lot of conflicting information. Which manual transmission do 1988 Corvettes come with ? Is it the 4+3 or a 5 speed or a 6 speed or did they change partway through the year ? Other years are pretty straight forward but 88's not so clear. Thanks, Bob
An '88 if "untouched" is certainly a 4 + 3. There's no mid-year change regarding anything for the '88. I believe the only thing that I recall being significantly different with the '88 other than the completely changed suspension package and 17" wheels is the first year for the "compact starter".

If you'd rather a 6-speed you'll need to look at '89 or newer.
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