3S is toyota 2 liter engine. Different variant are there, 3SFE, 3SGE etc.
Details from Wiki below:
S-FE 87-90 86.0 mm 86.0 mm 9.8:1 1998 cc 90 kW@5600 rpm 169 Nm@4400 rpm -SS1 (ST202)
3S-FE 87-94 86.0 mm 86.0 mm 9.8:1 1998 cc 85 kW@5600 rpm 162 Nm@4400 rpm Equipped with catalytic converter
3S-FE 95-98 86.0 mm 86.0 mm 9.8:1 1998 cc 96 kW@6000 rpm 178 Nm@4400 rpm Refined valve timing and ECU settings, introduced with Carina E (T19) model
3S-FE 1998-2000 86.0 mm 86.0 mm 9.8:1 1998 cc 94 kW@6000 rpm 178 Nm@4400 rpm Slightly less power with better torque characteristics. Stricter pollution control. Introduced with the new Avensis (T22) model
3S-FSE 2001-2003(?) 86.0 mm 86.0 mm 9.8:1 1998 cc 110 kW@6000 rpm 192 Nm@4000 rpm D-4 (Direct injection), VVT-i (only available in EU/Japan markets?)
3S-GE 85-89 86.0 mm 86.0 mm 9.2:1 1998 cc 103 kW@6200 rpm 175 Nm@4800 rpm Celica 2.0 GT-i 16, GT-R (ST162)
3S-GE late-89-93 86.0 mm 86.0 mm 10.0:1 1998 cc 115 kW@6600 rpm 186 Nm@4800 rpm Celica 2.0 GT-i 16, GT-R (ST182/ST183), MR2 (SW20)
3S-GE 94-98 86.0 mm 86.0 mm 10.0:1 1998 cc 137 kW@7000 rpm 192 Nm@4800 rpm Celica GT, SS-II (ST202), MR2 (SW20)
3S-GE 1998 only 86.0 mm 86.0 mm 11.0:1 1998 cc 150 kW@7000 rpm 210 Nm@6000 rpm Celica (ST202), MR2 (SW20)
3S-GE 1997 - 2005 86.0 mm 86.0 mm 11.5:1 1998 cc 156 kW@7500 rpm 220 Nm Altezza, Caldina GT
3S-GT (503E) 1987-199? 89.0 mm 86.0 mm 7.0:1 2140 cc kW (560 hp) Nm (471 ft·lbf) @5500 rpm 87C, 88C, Eagle HF89, Eagle Mk III
3S-GT (503E) 1987-1989 89.0 mm 86.0 mm 7.0:1 2140 cc kW (680 hp) @8500 rpm @5500Nm (471 ft·lbf) @5500 rpm 87C, 88C (Le Mans setup with CT26R turbocharger)
3S-GT (503E) 1995-1996 89.0 mm 86.0 mm 7.0:1 2140 cc kW (680 hp) @8500 rpm Supra GT JZA80 (Le Mans setup, Garrett turbocharger with 55.9mm restrictor)
3S-GT (503E) 1997 86.0 mm 86.0 mm 7.0:1 1998 cc kW (480 hp) @6800 rpm Nm (471 ft·lbf) @4500 rpm Supra GT JZA80 (JGTC setup with 45.3mm restrictor)
3S-GTE 86-89 86.0 mm 86.0 mm 8.5:1 1998 cc 136 kW (182 hp) @6000 rpm 250 Nm (184 ft·lbf) @3600 rpm Celica GT-Four (ST165)
3S-GTE 90-93 86.0 mm 86.0 mm 8.8:1 1998 cc 165 kW (221 hp) @6000 rpm 304 Nm (224 ft·lbf) @3200 rpm Celica GT-Four (ST185), MR2 (SW20)
3S-GTE 94-99 86.0 mm 86.0 mm 8.5:1 1998 cc 180 kW (241 hp) @6000 rpm 304 Nm (224 ft·lbf) @4000 rpm Celica GT-Four (ST205), MR2 (SW20)
3S-GTE 1999-2007 86.0 mm 86.0 mm 9.0:1 1998 cc 191 kW (256 hp) @6200 rpm 324 Nm (239 ft·lbf) @4400 rpm Caldina GT-T
Departed soul was 2C turbo.
(ST215), Caldina GT-Four (ST246)