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Model	Years	Speeds	Drive Train	Trans Model

Blazer	1969-1981	3 Spd	4WD V8	TH350
Blazer	1982-1992	4 Spd	RWD, 4WD L4, V6, V8	TH700-R4, 4L60
Blazer	L1992-2005	4 Spd	RWD, 4WD 2.2L, 4.2L, 4.3L, 5.3L	4L60E