Nissan 240SX Performance Modification/Weight Reduction

Weight reduction increases power-to-weight ratio and can improve all aspects of how you 240SX performs. There are 2 major ways to reduce the weight of your 240SX: Removal of unnessecary items and replacement of stock items with lighter parts Removal of Unnecessary Items getting rid of stuff that you don't need is a great way to reduce weight in your 240SX Weight Reduction Guide thumb|right|240px|It's amazing how much stuff you don't need in a racecar Please contribute by weighing and inputting the actual weight of the part. Please do not put approximate or "usual average" weights but accurately obtained data. (many S13 part weights courtesey of mysportscar.com) S13: headunit, speakers, and rear speaker brackets - 15.4lbs driver and passenger door panels - 11.8lbs plastic backseat panels - 5.0lbs plastic B-pillar panels to back - 3.0lbs back seats - 20.8lbs hatch wall carpeting, plastic rear speaker panels, and rear floor mats - 20.6lbs rear wiper, motor, grommet, and blade - 3.0lbs jack tools, jack cover cardboard, random gray foam pads - 6.4lbs rear strut covers, miscellaneous brackets & stuff - 2.8lbs shift boot & panel - 0.6lbs hatch area carpeting - 3.2lbs A/C compressor, condenser, reservoir, & some piping - 29.2lbs windshield wiper reservoir (full of fluid), bracket, & associated tubing - 9.0lbs PAIR valve, actuator, bracket, and fasteners - 3.0lbs sound deadening (Round 1) *box was 1 pound* - 10.8lbs main carpet (from floorboard to rear seats) - 11.8lbs glovebox - 3.2lbs gauge cluster bezel - 1.6lbs automatic seatbelts & lapbelt assemblies - 20.0lbs power antenna - 2.0lbs headliner, reading lamps, and shades - 4.0lbs miscellaneous plastic pieces - 3.6lbs plastic passenger floorboard panel (under glovebox) - 1.6lbs center console - 3.0lbs ABS unit mounting bracket - 3.2lbs ABS unit - 15.8lbs PS resevoir - 2.0lbs PS line - 1.4lbs fuel catch can & bracket - 1.8lbs HICAS solenoid - 6.4lbs rear HICAS rack - 10.8lbs rear HICAS distribution block - 5.2lbs clutch loop - 1.41bs battery tray - 1.2lbs SE exhaust & cat - 41.0lbs sound deadening - 29lbs spare tire & wheel - 28.0lbs firewall mat - 18.8lbs sunroof glass - 11.5lbs foam layer on dashboard - 5lbs Total of pounds lost - 377.9 S14: Spare tire - 25 lb Jack - 4 lb Rear Seats - 15 lb Hood - 38 lb (OEM Zenki metal hood) Front Seats - 21 lb Door Panels - 12 lb Plastic Trim (front seats back)- 2 lb Plastic Trim (front seats forward)- 2 lb Front Bumper - 7 lb Rear Bumper - 6 lb Fenders - 6 lb 15" Alloy wheels (without tires) - 97 lb 16" Alloy wheels (without tires) - 105 lb Trunk - 20.4 lb (includes center light garnish, third brake light plastic housing with wire harness, and trunk latch/striker) Drive Shaft - 19 lb Stock Electric Sunroof - 24 lb Replacing Stock Items with Lighter Aftermarket Parts Stock Seat (S14 Base cloth) vs Racing Seat(Bride Zeta III) - (36-12) 24 lbs Stock Hood (S13 180sx) vs CF Hood (S13 Versus Silvia) - (40-15) 25lbs Stock S13 front bumper - 6 lbs Stock S13 front bumper with steel reinforcement pieces, lip spoiler and its braces - 15 lbs Stock Battery vs Lightweight battery (Genesis) - (41-13) 28 lbs Stock Wheels (steelies) vs Racing Wheels (Volk TE37's 16x8) (28-13) 15 lbs (per wheel) Stock Drive Shaft vs Aluminum One Piece Drive Shaft - (19-11) 8 lbs Stock Drive Shaft vs Carbon Fiber Once Piece Drive Shaft - (19.8-8.5) 11.3 lbs reduction Stock flywheel vs Prolite flywheel - (22-11) 11 lbs reduction All modifications to drivetrain components have an added bonus of freeing up horsepower lost by rotating weight