I've had 2 S-10 Blazers.
1st one was an '89 2 door, 2.8 w/5 speed. (totally gutless when driving I-70 thru Tenn & KY).
2nd was '91 4 door, 4.3 w/700R4.
Both were 4X4 and trouble free... except for the '89 tearing right side torsion bar mount rubbers.