This is a VERY detailed answer. These are the specs for the 1965 ford mustang according to thehenryford.org. The 1964 1/2 seems to have the same specs according to the site. Here is the link: http://www.thehenryford.org/exhibits/showroom/1965/specs.html Note that the V6 and the V8 have alot of differences. Identification The car warranty number and other important identification information is stamped on the warranty plate, which is attached to the rear face of the left front door. The official serial number for registration purposes is stamped on the left fender apron in the engine compartment. Approximate Refill Capacities Fuel Tank Capacity 16 gallons Engine Cooling System *Includes 1 quart for heater. 6-cyl.* 9.5 quarts 8-cyl.* 14.5 quarts Engine Crankcase *Includes 1 quart required for filter replacement. 6-cyl.* 4.5 quarts 8-cyl.* 5.0 quarts Transmission 3-speed-6-cyl. 2 1/2 pints 3-speed-8-cyl. 3 1/2 pints 4-speed-6-cyl. 4 1/2 pints 4-speed-8-cyl. 4 pints Automatic 6-cyl. 7 1/2 quarts 8-cyl. 8 1/2 quarts Rear Axle 6-cyl. 2 1/2 pints 8-cyl. 4 1/2 pints General Dimensions Wheelbase 108" Tread-Front-6-cyl. 55.4" Tread-Front-8-cyl. 56" Tread-Rear 56" Overall Length-Hardtop and Convertible 181.6" Overall Width 68.2" Overall Height Hardtop 51.1" 2+2 Fastback 51.2" Luggage Capacity (cu. ft.) Hardtop 9.0 2+2 Fastback 5.5 Curb Weight (lbs.) Hardtop 2556 2+2 Fastback 2606 Engines 170 CID Six 260 CID V-8 289 CID V-8 Taxable Horsepower 29.4 46.2 51.2 Brake Horsepower 101@4400 rpm 164@4400 rpm 220@4400 rpm Torque (Foot-Pounds) 156@2400 rpm 258@2200 rpm 304@2800 rpm Fuel Requirement 1Regular Regular Regular Compression Ratio 8.7 to 1 8.7 to 1 9.2 to 1 Standard Gear Ratios-Transmissions and Axles 1st 2nd 3rd 4th Rear Axle 170 CID SIX 3-Speed 3.29 1.83 1.00 3.50 4-Speed 3.16 2.21 1.41 1.00 3.50 Cruise-O-Matic 2.46 1.46 1.00 3.50 260 CID V-S 3-Speed 2.79 1.70 1.00 3.00 Cruise-O-Matic 2.46 1.46 1.00 3.00 289 CID V-8 4-Speed 2.78 1.93 1.36 1.00 3.00 Cruise-O-Matic 2.46 1.46 1.00 3.00 Wheel Alignment Optimum Service Specifications 6-Cylinder 8-Cylinder Caster Degrees (Curb Load) 1/2 degrees Positive 1/2 degrees Negative Camber Degrees (Curb Load) 1/2 degrees Positive 1/2 degrees Negative Toe-In (Inches) 9/32" 9/32" Fuses (12 volts) Circuit Location Fuse Number Radio Fuse Panel on Left Side Cowl SFE-7.5 Instrument Lights Fuse Panel on Left Side Cowl AGA-2 Turn Indicator and Back-up Lights Fuse Panel on Left Side Cowl SFE-14 Heater Fan Fuse Panel on Left Side Cowl SFE-14 Lights-Parking, Rear, and Rear License Fuse Panel on Left Side Cowl AGC-15 Lights-Dome, Courtesy and Console Fuse Panel SFE-7.5 Air Conditioner Cartridge in Power Feed Wire AGC-15 Spotlight Cartridge in Power Feed Wire SFE-7.5 Windshield Washer Pump SFE-7.5 Battery (12 volts) Standard Battery 6-cyl. 40 Ampere-hours 54 plates 8-cyl. 55 Ampere-hours 54 plates Taxi 55 Ampere-hours 66 plates Circuit Breakers Circuit Location Rating Headlights In Lights Switch 12 amp. Windshield Wiper Motor-Single Speed In Wiper Switch 5 amp. Windshield Wiper Motor-2-Speed Same as Above 12 amp. Convertible Top On Starter Relay 20 amp. Cigar Lighter Attached to Lighter Socket Reset Lights (12 volts) Wattage or Candlepower Lamp Number Headlights 50-40 watts 6012 Parking and Front Turn Indicator 32-4 cp 1157 Stop, Tail, and Rear Turn Indicator 32-4 cp 1157 Back-Up 21 cp 1142 Rear License Plate 4 cp 1155 Courtesy Light (Under Instrument Panel) 6 cp 631 Courtesy Light (Console) 3 cp 1816 Glove Box Light (Console) 1.5 cp 1445 Radio Dial 1.9 cp 1891 All instrument panel bulbs unles otherwige indicated 2 cp 1895 Spotlight 4.4" Diameter 30 watt 4405 Parking Brake Warning Light 1 cp 257 Tire Pressures Hardtop and Convertible Pounds per Sq. In. (Cold)* Front 24 Rear 24 *For considerable high-speed driving or heavy loads, add 4-6 pounds to recommended cold pressure.