Chevrolet C/K
Engines

Year
Engine
Power
Torque
Notes
1981–1984
4.1 L GMC 250 I-6
115 hp (86 kW) @ 3600 RPM
200 lb⋅ft (271 N⋅m) @ 2000 RPM
-
1983
4.1 L GMC 250 I-6
120 hp (89 kW) @ 4000 RPM
205 lb⋅ft (278 N⋅m) @ 2000 RPM
C1
1985–1986
4.3 L LB1 90° V-6
155 hp (116 kW) @ 4000 RPM
230 lb⋅ft (312 N⋅m) @ 2400 RPM
-
1987
4.3 L LB1 90° V-6
160 hp (119 kW) @ 4000 RPM
235 lb⋅ft (319 N⋅m) @ 2400 RPM
-
1981–1985
4.8 L GMC 292 I-6
115 hp (86 kW) @ 3400 RPM
215 lb⋅ft (292 N⋅m) @ 1600 RPM
-
1986
4.8 L GMC 292 I-6
115 hp (86 kW) @ 4000 RPM
210 lb⋅ft (285 N⋅m) @ 800 RPM
-
1981–1982
5.0 L 305 V-8
130 hp (97 kW) @ 4000 RPM
240 lb⋅ft (325 N⋅m) @ 2000 RPM
2-barrel
1981–1982
5.0 L 305 V-8
165 hp (123 kW) @ 4400 RPM
240 lb⋅ft (325 N⋅m) @ 2000 RPM
1/2 Ton w/ 4-barrel
1981–1982
5.0 L 305 V-8
160 hp (119 kW) @ 4400 RPM
235 lb⋅ft (319 N⋅m) @ 2000 RPM
all others w/ 4-barrel
1983–1986
5.0 L 305 V-8
165 hp (123 kW) @ 4400 RPM
240 lb⋅ft (325 N⋅m) @ 2000 RPM
less than 8500# GVWR
1983
5.0 L 305 V-8
160 hp (119 kW) @ 4400 RPM
235 lb⋅ft (319 N⋅m) @ 2000 RPM
over 8500# GVWR
1987
5.0 L 305 V-8
170 hp (127 kW) @ 4000 RPM
260 lb⋅ft (353 N⋅m) @ 2400 RPM
-
1981–1986
5.7 L 350 V-8
165 hp (123 kW) @ 3800 RPM
275 lb⋅ft (373 N⋅m) @ 1600 RPM
less than 8500# GVWR
1987
5.7 L 350 V-8
210 hp (157 kW) @ 4000 RPM
300 lb⋅ft (407 N⋅m) @ 2800 RPM
less than 8500# GVWR
1981–1985
5.7 L 350 V-8
160 hp (119 kW) @ 3800 RPM
250 lb⋅ft (339 N⋅m) @ 2800 RPM
over 8500# GVWR
1986
5.7 L 350 V-8
185 hp (138 kW) @ 4000 RPM
285 lb⋅ft (386 N⋅m) @ 2400 RPM
over 8500# GVWR
1987
5.7 L 350 V-8
185 hp (138 kW) @ 4000 RPM
295 lb⋅ft (400 N⋅m) @ 2400 RPM
over 8500# GVWR
1981–1982
7.4 L 454 V-8
210 hp (157 kW) @ 3800 RPM
340 lb⋅ft (461 N⋅m) @ 2800 RPM
-
1983–1985
7.4 L 454 V-8
230 hp (172 kW) @ 3800 RPM
360 lb⋅ft (488 N⋅m) @ 2800 RPM
-
1986
7.4 L 454 V-8
240 hp (179 kW) @ 3800 RPM
375 lb⋅ft (508 N⋅m) @ 3200 RPM
-
1987
7.4 L 454 V-8
230 hp (172 kW) @ 3600 RPM
385 lb⋅ft (522 N⋅m) @ 1600 RPM
-
1982–1987
6.2 L Detroit Diesel V-8
130 hp (97 kW) @ 3600 RPM
240 lb⋅ft (325 N⋅m) @ 2000 RPM
less than 8500# GVWR
1982–1984
6.2 L Detroit Diesel V-8
135 hp (101 kW) @ 3600 RPM
240 lb⋅ft (325 N⋅m) @ 2000 RPM
over 8500# GVWR
1985–1987
6.2 L Detroit Diesel V-8
148 hp (110 kW) @ 3600 RPM
246 lb⋅ft (334 N⋅m) @ 2000 RPM
over 8500# GVWR

Question: What engine was the Chevrolet C/K 454 powered by and how powerful was it?
Answer: The Chevrolet C/K 454 was powered by a (7.4 L) V8 producing 230 hp (172 kW) and 385 lb⋅ft (522 N⋅m).