Make:

GMC

Model:

K15

Submodel:

SIERRA GRANDE

Beginning Year:

1977

Ending Year:

1978

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