F 0 4 GENERAL INFORMATION R R F mg 1 yg i RR a p R Ar w N U 5 J R t v ll M m1n y i t i iw S E r 1 t W R j Fig 0 9eT ri 0 Hydra Marie 375 40onrc Tomnado ser tai Number nate 11 A A A DIFFERENTIAL RATIOS The differential ratio code letters 1 4 high are 11 stamped on the ri 1t front inboard side of the axle housing l 1 Fic 06 T r Hydr M 350 Model I tube Fig 0 10 The nm two iettera designate ratio me 1 the third letter the manufacturer and the numbers indicate l build date TRANS Letters for standard and Anti Spin differentials x 11 MISSION indicating corresponding ratio for each series are shown in 1 CODE Boost TYPE ENGINE chart Fig 0 11 Ei A Body 455 Cu In 4 Bbl 1 OW A Body 455 Cu In 4 Bbl 1 W30 YN lS1 iirfl l1 A Body 350 Cu In 2 Bbl V L e V if Vista Cruiser 350 Cu In 4 Bbl i F OA 1 375 350 Cu In 4 Bbl 11 1 i B di l H B C Body 455 Cu ln 4 Bbl S Exh at mgle Fig 0 10 Ayde Code Lucadon Exc Toronado B C Body 455 Cu l n 4 Bbl FINAL DRIVE ASSEMBLY V IE h Dua X The fmal drive assembly is available in two ratios l A BOdy 455 C In 4Bb1 grgzgan all Zragol 3 07 1 mandatory for California and vlsta crms Dual Exh The 3 07 l assembly will be identified by pink paint on x the cover and housing d H tb gh Th ti d st th e t l 01 Toronado 455 cu rn 4 Bm 1 1 s Q1Zf g l me nm l DATE CODE The code letter for month and number s I Fig 0 8 Turbo Hydra Matic 375 400 Inc Torcnado fg actual date W Us g Gm EXAMPLE 1 Ml3 Built November 13 M llth 1etter I is not used TURBO HYDRA MATIC 375 and 400 The turbo Hydra Matic serial number for all series 1 except Toronado is stamped on a plate located on the right TIRE ROTATION side of the case Fig 0 9 The Turbo Hydra Matic serial number for Toronado series is stamped on a plate located To equalize wear it is recommended that the four road on the left hand side of the converter housing tires be rotated every 6 000 miles see Fig 0 13 It is not i R M 1