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FD-302 (Rev, 10-11-63} FEDERAL BUREAU OF INVESTIGATION Date _U2¥ Ts 2964 Swartzfager Fora’ Company, "NEO ssissippi, made available to SA JAY C, COCHRAN, Ray a 1963 Ford Fairlane shop service manual. 57C- te This manual reflects the fuel tank of the Ford Fairlane has a capacity of 16 gallons and that the two gauges in this vehicle, namely the fuel gauge and tho engine temperature gauge, are actuated by a bi-metallle surip contained within the gauge, This bi-metallic strip contracts and expands with heat. The heating of the bi-metallic strip is produced by a varying electric signal dinitiated by the float system contained within the fuel tank. The oneine temperature gauge is operated in ea similar manner, excéepy that the Glestric signal ia controlled by a thermostat inatalied in the water jacket in the engine, It is concluded that any readings obtained from these two. instruments, removed from the victing' vehicle, are completely unvelisble, since the bi-metallis strip controlling the gaugest needles would be extermally effected by the fire. based upon his experience IM Ford an 8 experience with 1963 Fairlane | automobiles that normal gasoline consumption for this vehicle would range between approximately 14 miles per gallon within the city to approximately 13 miles per galion on the open highway. 67¢ + is no wood used in the construction or installation of the roof rack on the 1963 Ford Fairlane Stationwagon, (Note: Question asked in attempt to resolve presence of extensive charred woodlike material found on top of stationwagon.) 7. 56-18 - , 4 on 1/6/64 _, ‘Meridian, Miss, site y NO 44-2227 _ by SA JAY C. COCHRAN, JRotsal ate dictatea 7/7/64 This document contains neither recommendations nor conclusiona of the FBI. It is the penipenty of of the FBI and is loaned to your agency; it and ite contents are not to be distributed outside your agency. ah a iaeii ie ie a ee see pete eepppeee see te