The base frame of a car (7)
I believe the answer is:
chassis
(Other definitions for chassis that I've seen before include "Car's structural framework" , "Framework of motor vehicle" , "Vehicle structure" , "Bodywork" , "Mounting" .)
I believe the answer is:
chassis
(Other definitions for chassis that I've seen before include "Car's structural framework" , "Framework of motor vehicle" , "Vehicle structure" , "Bodywork" , "Mounting" .)