R33 GT-R Technical Page (updated December 29, 2015) - newest in ORANGE

ORANGE TEXT IS NEW (Dec 29, 2015: source - gtrusablog.com )

NISSAN FAST: http://www.clubskyline.ru/files/R33_GTR_Workshop_FAST.pdf

Online Manuals: http://www.skyline.se/dokument/

Wiring Diagrams (English): Courtesy of Andy Cowdery

Courtesy of http://carblueprints.info/blueprints/nissan/Nissan%20Skyline%20GT-R%20R33.png

Basic Technical Specs:

Overall Length - 4675mm
Overall Width - 1780mm
Overall Height - 1360mm

Wheelbase - 2720mm
Tread, F/R - 1480/1490
Ground clearance - 145mm (V-Spec: 135mm)

Weight: 1530kg (V-Spec: 1540kg)

Turning Radius: 5.7m

Engine Type: Watercooled Straight 6 DOHC
Combustion Chamber Type: Pentroof
Bore & Stroke: 86/9 x 73.7
Compression Ratio: 8.5
Engine volume: 2568cc

Max power: 280ps/6800 rpm (note: we all know that this is not the actual power of the engine - this number was pursuant to a "gentleman's agreement" to placate the government)

Max torque: 37.5kg-m/4400 rpm

Clutch: hydraulic diaphragm type (pull type)

Transmission: 5 speed with overdrive
Transmission ratios: 3.214/1.925/1.302/1.000/0.752, R - 3.369, Final - 4.111

Suspension, F/R - independent multi-link
Spring Rates: Standard Car: 3.2kg/mm (F),  3.2kg/mm (R) / V-Spec: 4.0kg.mm (F), 5.0kg/mm (R)

Shock Extension: Standard Car: 242 (F) /150 (R)  / V-Spec: 275 (F) /175 (R) 
Shock Compression (kg- 0.3m/s): Standard Car: 69(F) /55(R) V-Spec: 85(F) / 67(R)

Stabilizer Diameters (both Standard and V-Spec): 22.2mm (F), 26.5mm (R)

Brakes - F/R -4 pot/2pot Brembo calipers, 324mm/300mm

Wheels - 17x9JJ forged Aluminum (made by BBS Japan)

Tires size - 245/45R17

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Brakes, Detailed:
Brakes, Front: (Nissan Part OPB27V)
Rotor Size and thickness (mm) - 324, 30 thick
Pad Dimensions, (L x W x H) (mm) - 119.6 x 54.0 x 11.9
Cylinder radii (mm) - 44 + 38

Brakes, Rear: (Nissan Part OPB13V)
Rotor Size and thickness (mm) - 300, 22 thick
Pad Dimensions (L x W x H) (mm) - 76.6 x 44.0 x 9.6
Cylinder radii (mm) - 40.0

Parking Brake: (Nissan Part DS17HD)
Drum radii (mm) - 172
Lining Dimensions (L x W x H) (mm) - 154.1 x 24 x 3

Master Cylinder:
Cylinder radii (mm) - 26.9(17/16 inch)
Part number M215T
Diaphram radii (mm) - 205 + 230 (8+9 inches)
Proportioning valve built into master cylinder
Split Point (MPa [kg/cm2]) - 2.45 [25]
Reducing ratio - 0.4

Fluid - Nissan Braking Fluid No. 2500 (NR-3)


Rear Spoiler Angle and Aerodynamics:
Spoiler Angle/ CD / CLF / CLR
0 degrees    / 0.35 / 0.09 / -0.03
6 degrees   / 0.36 / 0.10 / -0.07
12 degrees/  0.37 / 0.10 / -0.10
18 degrees/ 0.39 / 0.10 / -0.14

CD = Coefficient of Drag; CLF = Coefficient of Lift, Front; CLR = Coefficient of Lift; Rear

Added December 29, 2015:
Wheel Alignment Specs (stock car, both standard and V-Spec models)
Front: 
Camber (degrees):  -0' 50" +/-45"
Caster (degrees):  3' 55"+/-45"
Toe In (mm): 1 (0~2)
King-pin Angle (degrees): 15' 20" +/-45"

Rear:
Camber (degrees): -1' 15" (-1' 05" +/-45)
Toe In (mm): 2.7 (0~5.2)



Tightening Torque figures:
Tower bar bolts: 39.3-53.9 N-m (4-5.5 kg-m)

Light Bulbs:
Front headlamps (Series 1, 2):
Low Beam: H1 (12V55W)
High Beam: H1 (12V55W)
Front headlamps (Series 3):
Low Beam: HID (D2S) (85V35W)
High Beam: H1 (12V55W)
Front turn indicators: T16 (12V16W (18W))
Front position lamps: T10 (12V5W)
Optional fog lamps: H3 (12V55W)
Side turn indicators: T10 (12V5W)

Rear turn indicator – S25 single (12V21W)
Tail and brake lamp (Series 1, 2) S25 double/ 1157 (need 4) (12V21/5W)
Tail and brake lamp (Series 3) S25 double / 1157 (need 4. but only outer 2 will act as brake) (12V21/5W)
High mount brake lamp – OEM LED

Back up lamp – S25 single (12V21W)
License plate – T10 (12V5W)

Interior:
Front: G14 (12V10W)
Middle: T10x31 (12V10W)
Rear (Trunk?): T10 (12V3.4W)

Sources:
For LED replacements:

OEM type:

Confusing? Yes. Here is a nice link that shows all the cross references:

And finally - if you are curious about how many lumens certain bulbs give off:
http://www.danielsternlighting.com/tech/bulbs/bulb_types/bulb_types.html

http://catalog.gelighting.com/lamp/automotive/miniature-lamps/d=0/?r=emea
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More to come, please check back soon!