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Turbo-Hydramatic 425 (and later 325) was an automatic transmission developed and produced by General Motors . The THM425 was a derivative of the THM400; most parts directly interchange and some others will interchange with minor modifications. The internal parts spin the opposite direction in the THM425; the helical angle of the planetary gears is "reversed" and the one-way clutches freewheel in the opposite direction, for example. The THM425 was developed for the 1966 Oldsmobile Toronado and the 1967 Cadillac Eldorado. A lighter-duty transmission known as the THM325 replaced the THM425 in both car lines after the 1978 model year. 1979 and later longitudinal engine front-wheel drive vehicles used the THM325. The THM325 became the THM325-4L with an overdrive added in 1982, but all vehicles using this transmission switched to more-conventional transverse engine mounting in 1986. Applications: * THM425 * * 1971-1979 Cortez Motor Home * * 1966–1978 Oldsmobile Toronado * * 1967–1978 Cadillac Eldorado * * 1973-1978 GMC motorhome * THM325 * * 1979–1981 Buick Riviera * * 1979–1981 Cadillac Eldorado * * 1979–1981 Oldsmobile Toronado * * 1980–1981 Cadillac Seville * THM325-4L * * 1982–1985 Buick Riviera * * 1982–1985 Cadillac Eldorado * * 1982–1985 Cadillac Seville * * 1982–1985 Oldsmobile Toronado ==See also== * Cadillac Eldorado * List of GM transmissions 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Turbo-Hydramatic 425」の詳細全文を読む スポンサード リンク
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