hi, pls have a look at this statement fm ecklers...

SOME 1977-78 CORVETTES CAME FROM THE FACTORY EQUIPPED WITH A SAGINAW
TRANSMISION. THIS TRANS HAS THE REVERSE LEVER LOCATED ON THE SIDE COVER
ALONG WITH THE OTHER TWO LEVERS AS OPPOSED TO THE MUNCIE OR BORG-WARNER
WHICH HAS THE REVERSE LEVER ON THE TAIL SHAFT. IF CUSTOMER HAS A SAGINAW
TRANS WE CAN SPECIAL ORDER SHIFTER. IF CUST HAS SAGINAW TRANS SPECIAL
ORDER SHIFTER ASSY 3915401 HURST STICK 5387991 AND INSTALL KIT 3738607
FROM SOUTHERN PERFORMANCE. NOTE: SAGINAW TRANS CAN BE IDENTIFIED BY ALL
THREE LEVERS ON THE SIDE COVER. 3/8 X 16 thread.

i think i have a t-10 4 speeds trans, how can i check and what's the difference so i can find out?

comments? thanks/Giu