Make:

GMC

Model:

G3500

Submodel:

MAGNAVAN

Beginning Year:

1979

Ending Year:

1980

Engine Type:

V8

Liter:

6.6

CID:

400

Engine Family:

Chevy small block Gen I

Engine Size:

6.6L/400

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:

R

Region:

USA

Make:

GMC

Model:

G3500

Submodel:

RALLY

Beginning Year:

1979

Ending Year:

1980

Engine Type:

V8

Liter:

6.6

CID:

400

Engine Family:

Chevy small block Gen I

Engine Size:

6.6L/400

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:

R

Region:

USA

Make:

GMC

Model:

G3500

Submodel:

RALLY CAMPER SPECIAL

Beginning Year:

1979

Ending Year:

1980

Engine Type:

V8

Liter:

6.6

CID:

400

Engine Family:

Chevy small block Gen I

Engine Size:

6.6L/400

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:

R

Region:

USA

Make:

GMC

Model:

G3500

Submodel:

RALLY STX

Beginning Year:

1979

Ending Year:

1980

Engine Type:

V8

Liter:

6.6

CID:

400

Engine Family:

Chevy small block Gen I

Engine Size:

6.6L/400

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:

R

Region:

USA

Make:

GMC

Model:

G3500

Submodel:

VANDURA

Beginning Year:

1979

Ending Year:

1980

Engine Type:

V8

Liter:

6.6

CID:

400

Engine Family:

Chevy small block Gen I

Engine Size:

6.6L/400

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:

R

Region:

USA

Make:

GMC

Model:

G3500

Submodel:

VANDURA SPECIAL

Beginning Year:

1979

Ending Year:

1980

Engine Type:

V8

Liter:

6.6

CID:

400

Engine Family:

Chevy small block Gen I

Engine Size:

6.6L/400

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:

R

Region:

USA