Make:

GMC

Model:

C2500

Submodel:

BASE

Beginning Year:

1980

Ending Year:

1986

Engine Type:

V8

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

Performance; Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Lower Engine Vacuum Than Stock, Lower Engine Vac; Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Lower Engine Vacuum Than Stock, May Not Be Computer Compatible

Engine VIN Code:

W

Region:

USA

Make:

GMC

Model:

C2500

Submodel:

HIGH SIERRA

Beginning Year:

1980

Ending Year:

1986

Engine Type:

V8

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

Performance; Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Lower Engine Vacuum Than Stock, Lower Engine Vac; Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Lower Engine Vacuum Than Stock, May Not Be Computer Compatible

Engine VIN Code:

W

Region:

USA

Make:

GMC

Model:

C2500

Submodel:

SIERRA CLASSIC

Beginning Year:

1980

Ending Year:

1986

Engine Type:

V8

Liter:

7.4

CID:

454

Engine Family:

Chevy big block Mark IV

Engine Size:

7.4L/454

Application Notes:

Performance; Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Lower Engine Vacuum Than Stock, Lower Engine Vac; Class 2, Fair Idle With Good Low To Mid Range Torque And Horsepower, Lower Engine Vacuum Than Stock, May Not Be Computer Compatible

Engine VIN Code:

W

Region:

USA