Race Car Modifications for the
Datsun 240Z including information
for a Ford V-8 Conversion

Weights Individual Parts and Swaps OLD NEW WEIGHT ITEM WEIGHT WEIGHT DECREASE INCREASE Z motor 421 380 -41 Engine plates 30 30 Flywheel 20 -7 Dash 30 -30 Door panels 11 -11 Metal brkets, scrws, blts, sound prffng 40 10 -30 Hood (metal) 39 25 -14 Fndrs w/ headlights 36 43 7 Valance panel 8 -8 Wiring 23 15 -8 Radiator 20 **** Seats (both) 50 22 -28 Blrwr fan and motor 23 -23 Doors w/ hinges 96 25 -71 Hatchback lid & hinges 41 20 -21 Gas tank 20 12 -8 Diff R180 to R200 62 77 11 Half-shafts 31 Bumpers front & rear 30 -30 Wiper assmbly 7 -7 Windshield 15 Wheels 232 150 Quarter windows 8 4 -4 Transmission swap 71 80 9 R strut assmblies (arms,sprngs,brakes) 120 130 10 F strut assmblies (arms,sprngs,brakes) 110 105 -5 Driveshaft 10 13 3 Diff mount (upright/s) 14 15 1 Crossmember w/ rack 35 37 2 Alternator 8 -8 Export brace & engine braces 5 5 Steel frame to mnt cell,pump, & battery 20 20 Quarter panels 18 18 Headers 26 13 Pwr steering pump 9 9 Roll cage 100 100 Oil filter system 12 12 TOTAL TITLE WEIGHT 2275 2200 Weights Car weighs 570 lbs on each of the front wheels, and 545 & 565 lbs on each of the rear wheels( no driver) this comes out to 1140 front / 1110 rear weights, or a 50.6/49.4 front to rear weight distribution on a total weight of 2250 lbs. The 10" aluminum front and 12Ó aluminum rear wheels and tires weighed 35 lbs and 40 lbs each respectively (150 lbs total). Add a driver to the car, and the F/R distribution will then become slightly tail heavy. front 570 570 without driver 545 565 rear Sprung weight is about 1800 lbs, and unsprung weight is about 460 lbs, for a ratio of about 3.9:1, which is fair, but not good. Contents: Power Plant Radiator & Support T-5 Transmission Information Ford Drive Shaft Half Shaft Modifications Differential Change Z-to-ZX Brake Update Brake Master Cylinder Caster Changes Steering Rack Strut Modifications Custom Sway Bars Aluminum Differential Upright Weights Costs