Editing AMC V-8s (section)
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===Manual transmissions=== Manual transmissions used were from Borg-Warner. The 250/287 typically used a T-85 three speed and the 327 used a T-89 three speed. Overdrive was an option -- all V-8 overdrive models used the T-85 (even the 327). I'm not positive about input shaft length, but the bolt pattern is the same as other 1950s and 1960s Borg-Warner three speeds. The T-85 uses the same pattern as the T-10 four speed, and there were a few T-10s used behind the 287 and 327 in 1966. The T-85 and T-89 used different bolt patterns to the bellhousing. The T-89 is similar in appearance to the T-85 but is a heavier built transmission. ====Bellhousing bolt pattern==== The AMC Gen 1 V-8 has a unique bellhousing pattern. The AMC Gen 2 290 cid V-8 appeared in late 1966 in the American, and across the board as a 290 or 343 cid engine in 1967. The Gen 2 engines use a different bolt pattern than the Gen 1. Pre-1972 inline sixes use a smaller diameter bellhousing than the Gen 2/3 V8s) with a bolt pattern shared only with the small 1950-'54 Nash L-head sixes - this includes the 258 manufactured during the 1971 model year; a majority of the small diameter bellhousing sixes had the short deck until 1970 when the 232 was casted with the taller deck but using the connecting rods from the 199. All 1972 and later AMC inline sixes (including the 1987-06 Jeep 4.0L) and V-8s use the same Gen 2/3 V8 bellhousing bolt pattern. <br><br> [[Category:Engine]] [[Category:Transmission]] [[Category:AMC]]
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