R31

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Nissan Skyline model R31 was built in Japan 8508-9005. It was fitted with a Four Cylinder CA engine, or six-cylinder RB engines, or a Diesel. Australia-built R31 1986-1990 was sold as Skyline (six-cylinder) or Pintara (four-cylinder). Some parts can be used, or modified for use, on a Datsun 1200.

Engine

JAPAN
F CA18S
H RB20E/RB20ET SOHC
R RB20DE/RB20DET DOHC
S RD28 diesel

AUSTRALIA 
R31 Skyline: Holden RB30E 
R31 Pintara: CA20E (NAPSX)

SOUTH AFRICA built
CA20S
RB20E
RB30E

Wheels

R31 Pintara 15x6 rims

R31 Skyline 14" steelies. See Skyline R31 spare steel wheels

Front Brakes

Standard wheel on both R30 and R31 is 14". Shouldn't be any problem running 14" wheels over these brakes.

R31 on B10

Strut

R31 uses a standard Nissan 2.0" strut, so will bolt to the usual SAP. However you NEED to buy/fabricate a spacer with shear ring as the locating nub is a different size.

R31 Handbrake Lever

R31 Handbrake Lever in 1200

Diff

JAPAN R31
H190: CA18S Sedan, Hardtop, Wagon
CA200: Wagon RB20T [4.11, 8601-]
R200: RB20, RD28 Sedan, Hardtop [IRS]

AUS R31 Borg Warner
* 9-bolt octagonal cover
* has rear disc brakes with finned calipers
BW78: Pintara, 25-spline axles
BW78: Skyline, 28-spline axles

AUS

There is some confusion as the Japan-built R31 used a similar looking diff, the CA200. Aussie R31 used the BW78.

CA200: 8-bolt cover
BW78: 9-bolt cover

See main article: Borg Warner 78

Rear Discs - see R31 Rear Disc Brake Swap

Swaps - see BW78 Rear Axle Swap

CA200

JAPAN R31 Wagon with RB20T SOHC Turbo 1986-1990 
* (build dates 8601-9005)
CA200: Wagon RB20T [4.11 (CA41), 8601-]
* Drum brakes
* 5-link with coil springs
* 4-lug, 28-spline(?) axles

CASE-DIFFERENTIAL 
* 2-pinion
* M12 ring gear bolts
* Fits: CA41,CA43,CA46,CA48,RC35,RC37,RC39,RC41,RC43,RC46 
38421-12S00 8601-8708
38420-P9400 8708 <2> 38420-12S10

CA41 37/9=4.111
38100-F3400 8601-8604
38100-F3401 8604- $677 USD

SHAFT ASSY-REAR AXLE
38162-42L00 
* R31 with CA18S
* R31 Wagon
* C32 some
* GC22 Vanette 8605 2WD

DRUM-BRAKE,REAR
43206-U4800

43010 CASE ASSY-REAR AXLE
43005-84S55 HOUSING W/GEAR <2> 43005-84S56

38423 GEAR-SIDE
38423-C6100
* (G)C22,D22,E23,E24,F22,F23,R31,WD21,160,250,

Alternative for swaps: GC22 Vanette - CA200 w/LSD

Gearbox

Japan-built R31 used FS5W71C 5-speed transmission.

32707-58S10 Sleeve, Speedometer Pinion 19T for CA18
* same as C22 with A12 engine

Speedometer cable with the larger end will work for Datsun 1200. 810 (200B) cable will work.