Automatic Transmission, DOHC all- Is GM180 unit, used in Chevette, etc- Front pump seal same as Chevrolet Turbo 350. Use GM application when ordering parts from aftermarket

4 Speed Manual Transmission, SOHC- Two styles made: Identifying marks: On 1-2 slider where shift fork rides, gear teeth point 1 of 2 ways- If teeth point out, it's an early style transmission- if teeth point in, it's the late. Synchros are different, use this for ordering.

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