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The Turbo Hydramatic 200 transmissions found in G-Body (& a few other) vehicles were not all the same.
You can find the identification tag on them & determine exactly what car they came out of by this id code.
Here’s a list of all the different id’s:
Trans ID Found in vehicle:
BRF 1986-1987 Grand National, Turbo T, T-type
BQ 1984-1985 Grand National, T-type
BR 1983 T-type
TAF 1989 Turbo Trans Am
CZF 1985-1988 Chevrolet Monte Carlo SS
CRF 1985-1988 Monte Carlo 305 engine LG4
KZF Oldsmobile 442/Hurst
OZ 1983-1984 Hurst Olds
OM Oldsmobile 350 Diesel Engines
OG Oldsmobile 307 Engines
BY 252 V6 cars
AA Cadillac
AP Cadillac
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